Some standard content:
1 75.180.10
Registration No.: 8181—2001
Petroleum and Natural Gas Industry Standard 2000 of the People's Republic of China
SY/T 5040
Spiral suhmerged arc-welded steel pipe for piles
Spiral suhmerged arc-welded steel pipe piles20H1-12-25issued
State Petroleum and Chemical Industry Bureau
2001-06-1implemented
SY5040—2000
referenced standards
3 symbols
size and weight
test solution
inspection rules
8 pile layer, end protection, marking and quality certification list
SY/T50402000
This standard is for SY5U40—9 screw piles. This revision is based on (R/T1.1-193 "Standardization Work Guide Unit 1: Standard Order and Table Adaptation Rules Part 1: Basic Provisions for Notes Writing" and is shortened and revised. In this revision, the following standards are implemented: 15A5525-190% "General Standardization" and A57M252-98 Welding and Elementary Steel Chain Standards, as well as the development of general production technology, ... This standard was first issued in 1983 and revised for the first time in 1992. This standard is the first revision and standard of the People's Republic of China Petroleum and Natural Gas Industry Standard Spiral suhmerged arc-welded steel plpe for piles pllesSY/T5040—2100
Replaces SY/T50411—92
This standard specifies the size, weight, requirements, test methods, inspection rules, coating, pipe end protection, marking and quality training of coal-spinning seam steel pipes for piles.
This standard is applicable to steel piles for foundation piles of buildings, docks, bridges, etc. 2 Referenced standards
The texts contained in the following standards constitute the basis of this standard by being cited in this standard All standards will be revised, so the parties concerned of this standard will discuss the possibility of using the latest versions of the following standards: GT222-9F4 Chemical analysis of steel sample method and chemical composition of finished products allowable deviation 1223.5-1 effective 7 seal reform meeting metal chemical analysis method prototype aluminum acid photometric method acid content GBT223.9-1989 Lubricant and alloy chemical analysis method network loudspeaker S natural determination of material GD/T 223.14--10H9
Chemical analysis methods for steel and alloys--Photometric determination of the content of titanium by chromotropic acid chromotropic method GP/223.16—1991
Chemical analysis methods for carbon and gold in steel--Photometric determination of the content of silver by chromotropic acid chromotropic method GB/T 223.40-15R5
GB/T 223.58—1987
GB/T223.519K?
GB/L223.68—1997
GB/F 223,60—1997
Methods for chemical analysis of steel alloys
YaShenSu Steel Industry Determination of sulfur by sodium sulfate titration method. Determination of magnetic flux density by spectrophotometry
Methods for chemical analysis of steel and alloys
Chemical analysis of steel and alloys. Determination of sulfur content by iodine ionization in tubular furnace. Chemical analysis of iron and alloys. Determination of magnetic content by gas volumetric method after irradiation in tubular furnace. G/T 7198
Rope steel
GB/T 1591—1994
GE/T 2651—1989
High strength low alloy steel
Tensile test method for welded joints
Photoelectric emission spectroscopic method for carbon steel and low alloy steel GB/T 4335—1984
G371 6397—1586
3 Special numbers
This standard adopts a series of symbols
: Nominal outer diameter of steel pipe, mawww.bzxz.net
T: Nominal wall thickness of steel pipe, I
: Wire weight, km
4 Dimensions and weights
4.1 Sizes
4.1.1 The outer diameter of steel pipes shall comply with the provisions of Table 1. 4.1.2 The nominal thickness of steel pipes shall comply with the provisions of Table 1. According to the provisions in the table, the State Petroleum and Chemical Industry Bureau issued the standard on 2000-12-25 and implemented it on 2001-0-01
SY/15040-200H0
Table 1 Nominal outer diameter and standard quantity of example pipes (current theory) T
16.0:20.0
Jiang: According to the requirements of supply and demand, the nominal outer diameters listed in this table can be supplied by both parties through negotiation. Dimensions other than nominal wall thickness. 2. General length
4.2" Steel pipe is usually 8.0-12.0 mm long: according to the requirements, the width and length are subject to negotiation, and the width and length are beyond the usual length range.
4.32 Special length is... The length of the car is also determined by the supply and demand. The length can also exceed this period. The maximum length setting limit is 209 mm:
4.3 Adjustment
4.3. Screening line (theoretical) Each card 1 or down screen, trimmed to the nearest 0.01 mm = 0.0246615 (n T/ T
432 This standard can be used as an example to change the quantity of goods: after the supply efficiency certificate, the actual weight of the goods is delivered: 5 requirements
5.1 manufacturing method
the pipe is required to be made of tropical material, in a single molding, and the seam is used as the room energy method school: 5.2 clock
5Y/15040—2000
5.2.1 The steel pipe adopts (m/70)—1988 (235 or GB1591—199 4 (345 silver welding, after the supply and demand of the short description, can also be used to make the appropriate clock, its technical parameters need to be determined by the two users. 5.2.2 The chemical composition of the selected steel strip shall be consistent with the chemical analysis and mechanical properties of the corresponding steel strip standard or the technical parameters agreed by the supply and demand parties.
5.1 Product chemical analysis
The steel section parent material shall be subjected to product chemical analysis, and its chemical composition shall be derived from the standard of the corresponding steel strip, and the limit deviation shall be derived from GTT22 2.
5.4 Tensile test of welded joints
The tensile test of welded joints shall be carried out on steel to determine the tensile strength of welded joints; the tensile strength of welded joints shall not be less than the minimum tensile strength specified in the material:
5 Deviation of nominal outer diameter of pipe
The limit deviation of nominal outer diameter of steel pipe shall comply with the determination in Table 2 and shall be determined by the circumference. 5.6 Average deviation of nominal wall thickness
5.6.1 In addition to welding, steel section 1. The limit screen thickness of any nominal screen thickness shall comply with the provisions of Table 3. 5.6.2 The nominal screen thickness can be measured by using a micrometer or other non-determination instrument with corresponding accuracy: when there is a dispute over the measurement result or for measurement inspection, the thickness micrometer shall be used for measurement. Table 2 Nominal outer diameter of steel pipe
Maximum deviation
C3 steel section nominal wall thickness limit deviation
Nominal outer diameter of pipe
+center.%. The maximum resistance of the wire is -3.2
0.4%. The maximum resistance of the wire is 1.0
. The nominal wire resistance limit is 1.0%. The wire resistance limit of the wire shall not exceed 1% of the length of the tree. It can be measured from one end of the steel surface to the other end of the steel surface. The maximum distance from the thin wire or thin wire to the hook side surface is 5.8[
. The maximum distance of the wire to the hook side surface is 5.8[
. The maximum adjustment range of the wire surface is within the range. The outer diameter of the saw tube shall not be larger than the outer diameter of the steel tube. The minimum outer diameter of the steel tube shall be smaller than the outer diameter of the steel tube. The minimum outer diameter of the steel tube shall be smaller than 1%. The lower size shall be used. The standard shall be measured. 5.9 end
5.9.1 The pipe can be flat headed and can be exported with a groove. 5.9.2 The pipe can be sold with a groove: when the slope is 1, the wave! 1 has 45+, and the blunt size is 1.6! [! .8; The degree of the two-way fracture of the supply tooth can be changed
S.9.3 The end face of the steel pipe should be smooth, the weight is directly below the center of the steel head, the cutting material should be less than 0.5% of the center, and the area of the internal weld should not exceed 41594. The full range should not be lower than the parent party's requirements, nor increase 3
5.10 External dead weight
SY/T 50402000
5.10.1. The surface of the parent material of the steel section is not allowed to have defects with a depth of more than 10%. When the defect depth exceeds 10%, it should be regarded as a pit: the pit can be repaired, but the remaining wall after repair should meet the requirements of 5.6.1. 5.10.2 The surface of the steel pipe weld shall not have defects such as cracks, breaks, pits and pores. The welds with the above defects are allowed to be repaired. 5.1.1 For steel pipes with a nominal wall thickness of less than or equal to 13mm, the misalignment shall not exceed 0.351mm and the maximum shall not exceed 3.2mm; for pipes with a nominal wall thickness greater than 13mm, the misalignment shall not exceed the center. 25. Steel pipes with misaligned edges: avoid welding and repair by hot straightening. 5.1 Butt welds of steel strips are allowed to have non-butt joints, but the distance between the butt welds of steel strips and the end face of steel pipes shall not be less than 100mm. 5.11 Butt welds of steel strips are allowed to be butt welded in two sections. The butt welds can be welded by the following process: 5.12.2 The butt welded sections shall not be shorter than 2m. The butt welds of the two sections shall be staggered by 1/8 or more of the same length. 5.12.3 The radial misalignment of the two pairs of butt welded pipes shall comply with the provisions of Table 4. The radial misalignment of the two pairs of butt welded pipes shall be allowed to be offset by the nominal outer diameter. 610101s 5.13 Non-destructive testing Non-destructive deep flaw testing is generally not performed on steel pipes. If required by both parties, it shall be specified in the contract and the test shall be conducted by both parties. Non-destructive testing shall be carried out, and the standards and methods shall be agreed upon by the supply and demand parties: 6 Test methods
6.1 Product chemical analysis
.1.1 The chemical composition test sample of the tube base material can be taken from the steel bullet 1 or from the information: 6.1.2 The analysis method of chemical composition shall comply with B/T223\ or GB1433; when the test results are discussed or passed through arbitration test, GB1223 shall be followed for analysis. 2 Welded joint inspection test
.2.1 The welded joint tensile test test shall be taken from the center of the sample. 6.2.2 The test of the extension of the test section shall be carried out in accordance with the provisions of G3/T6397-1.1.3.2, and the test section shall be kept at the same temperature under the specified conditions. 2.3 The test of the extension of the test section shall comply with the provisions of G3/T6397-1.1, and the test shall be carried out in accordance with the provisions of G3/T6397-1.1.7 Inspection rules 7.1 Appearance inspection The appearance and shape inspection shall be carried out by the source. 7.2 Product chemical analysis
7.2.1 Take the sample
1GB223H includes GLT223.5, Gb/T225.9.3/T223.14, GET223.16,/2.40,4R*3.*3 23.59, G3/T223.5RT 123.59,
SY/T5040200
Take one sample from each smelting batch of steel for product chemical analysis test. 7.2.2 Re-test
If the test result of a representative batch of steel pipes is not up to standard, the manufacturer can recommend two samples from the last batch of steel pipes to be tested: if the sample is qualified, the steel shall be screened and classified except for the unqualified samples. If one of the samples is unqualified, the manufacturer shall select and discard the batch as a small batch or list the untested steel pipes of the batch for sampling. 7.3 Tensile test of joints
7.3.1 Sampling frequency
7.3.! 1. For butt welding or butt welding, take steel pipes of the same type, of the same specification, and not more than 1 standard as a batch. From each steel pipe, cut the pipe and select the core for the joint test. 7.3.1.2 For butt welding or butt welding, take steel pipes of the same type, of the same specification, and not more than 50 pipes as a batch. From each batch of steel pipes, take 1 sample for welding joint certification test: 7.3.2 If the cumulative test results of a representative batch of steel are unqualified, the manufacturer may take two steel sections from the same batch and take 1 test piece from each for repeat test: If the test results of the two pipes are both qualified. Except for the initial sampling failure, the batch of steel pipes is qualified and can be inspected; if one or two testers fail to meet the test requirements, the manufacturer shall select and judge the batch of steel pipes as unqualified, or conduct the root test on the batch of steel pipes that have not been inspected. Marking and quality certificate 8.1 Except for the above, if agreed by both parties and specified in the contract, the surface of the steel pipe can be coated with the protective coating required by the storage and transportation type; except for the uniform bottom layer, no scratches or omissions are allowed. 8.2 Pipe protection After the supply and demand parties agree and specify in the contract, the pipe can be installed with a protective device. 8.3 Marking 8.3.1 Marking position: 5. For example, the outer diameter is not more than 406.4m1m, the inner diameter is less than 100mm from the inner surface of the pipe end: For steel pipes with a nominal outer diameter of less than 46.4m, the outer surface is about 150m away from the remaining pipe surface, and then 8.3. 2 Marking shall be based on the specified contents,
.3.2 The marking shall include:
H) manufacturer's name or logo:
1 standard number;
e) nominal diameter, mm;
d) nominal wall thickness, mm;
) nominal length, mm
number:
h; qualified mark of the quality inspection department,
8.3.3 If the purchaser requires, the steel pipe with a nominal external weight less than 40,4 can be slightly marked inside: the internal mark must be multiplied by the external mark 1 towards one end, and the inspection of the internal mark shall start from both ends but not less than 10mm. The marking contents include a) Steel number:
) Steel number:
c) Steel length, m
8.4 Quality certificate
SY/T 5040--2000
Before leaving the factory, the factory quality inspection and maintenance department shall provide a quality certificate to prove that the supplied steel pipes meet the requirements of this standard. The quality certificate should indicate:
Name of the manufacturer:
Name of the purchaser:
) Delivery time
d) Contract number:
e) Standard number:
Product name and specifications;
g) Number of coils and weight:
h) Batch number and steel grade of the steel coil:
Signature;
Various test results specified in the standard and contract:
k) Shipping number:
) Record of the quality inspection department,2 Product chemical analysis
7.2.1 Take the sample
1GB223H includes GLT223.5, Gb/T225.9.3/T223.14, GET223.16,/2.40,4R*3.*3 23.59, G3/T223.5RT 123.59,
SY/T5040200
Take one sample from each smelting batch of steel for product chemical analysis test. 7.2.2 Re-test
If the test result of a representative batch of steel pipes is not up to standard, the manufacturer can recommend two samples from the last batch of steel pipes to be tested: if the sample is qualified, the steel shall be screened and classified except for the unqualified samples. If one of the samples is unqualified, the manufacturer shall select and discard the batch as a small batch or list the untested steel pipes of the batch for sampling. 7.3 Tensile test of joints
7.3.1 Sampling frequency
7.3.! 1. For butt welding or butt welding, take steel pipes of the same type, of the same specification, and not more than 1 standard as a batch. From each steel pipe, cut the pipe and select the core for the joint test. 7.3.1.2 For butt welding or butt welding, take steel pipes of the same type, of the same specification, and not more than 50 pipes as a batch. From each batch of steel pipes, take 1 sample for welding joint certification test: 7.3.2 If the cumulative test results of a representative batch of steel are unqualified, the manufacturer may take two steel sections from the same batch and take 1 test piece from each for repeat test: If the test results of the two pipes are both qualified. Except for the initial sampling failure, the batch of steel pipes is qualified and can be inspected; if one or two testers fail to meet the test requirements, the manufacturer shall select and judge the batch of steel pipes as unqualified, or conduct the root test on the batch of steel pipes that have not been inspected. Marking and quality certificate 8.1 Except for the above, if agreed by both parties and specified in the contract, the surface of the steel pipe can be coated with the protective coating required by the storage and transportation type; except for the uniform bottom layer, no scratches or omissions are allowed. 8.2 Pipe protection After the supply and demand parties agree and specify in the contract, the pipe can be installed with a protective device. 8.3 Marking 8.3.1 Marking position: 5. For example, the outer diameter is not more than 406.4m1m, the inner diameter is less than 100mm from the inner surface of the pipe end: For steel pipes with a nominal outer diameter of less than 46.4m, the outer surface is about 150m away from the remaining pipe surface, and then 8.3. 2 Marking shall be based on the specified contents,
.3.2 The marking shall include:
H) manufacturer's name or logo:
1 standard number;
e) nominal diameter, mm;
d) nominal wall thickness, mm;
) nominal length, mm
number:
h; qualified mark of the quality inspection department,
8.3.3 If the purchaser requires, the steel pipe with a nominal external weight less than 40,4 can be slightly marked inside: the internal mark must be multiplied by the external mark 1 towards one end, and the inspection of the internal mark shall start from both ends but not less than 10mm. The marking contents include a) Steel number:
) Steel number:
c) Steel length, m
8.4 Quality certificate
SY/T 5040--2000
Before leaving the factory, the factory quality inspection and maintenance department shall provide a quality certificate to prove that the supplied steel pipes meet the requirements of this standard. The quality certificate should indicate:
Name of the manufacturer:
Name of the purchaser:
) Delivery time
d) Contract number:
e) Standard number:
Product name and specifications;
g) Number of coils and weight:
h) Batch number and steel grade of the steel coil:
Signature;
Various test results specified in the standard and contract:
k) Shipping number:
) Record of the quality inspection department,2 Product chemical analysis
7.2.1 Take the sample
1GB223H includes GLT223.5, Gb/T225.9.3/T223.14, GET223.16,/2.40,4R*3.*3 23.59, G3/T223.5RT 123.59,
SY/T5040200
Take one sample from each smelting batch of steel for product chemical analysis test. 7.2.2 Re-test
If the test result of a representative batch of steel pipes is not up to standard, the manufacturer can recommend two samples from the last batch of steel pipes to be tested: if the sample is qualified, the steel shall be screened and classified except for the unqualified samples. If one of the samples is unqualified, the manufacturer shall select and discard the batch as a small batch or list the untested steel pipes of the batch for sampling. 7.3 Tensile test of joints
7.3.1 Sampling frequency
7.3.! 1. For butt welding or butt welding, take steel pipes of the same type, of the same specification, and not more than 1 standard as a batch. From each steel pipe, cut the pipe and select the core for the joint test. 7.3.1.2 For butt welding or butt welding, take steel pipes of the same type, of the same specification, and not more than 50 pipes as a batch. From each batch of steel pipes, take 1 sample for welding joint certification test: 7.3.2 If the cumulative test results of a representative batch of steel are unqualified, the manufacturer may take two steel sections from the same batch and take 1 test piece from each for repeat test: If the test results of the two pipes are both qualified. Except for the initial sampling failure, the batch of steel pipes is qualified and can be inspected; if one or two testers fail to meet the test requirements, the manufacturer shall select and judge the batch of steel pipes as unqualified, or conduct the root test on the batch of steel pipes that have not been inspected. Marking and quality certificate 8.1 Except for the above, if agreed by both parties and specified in the contract, the surface of the steel pipe can be coated with the protective coating required by the storage and transportation type; except for the uniform bottom layer, no scratches or omissions are allowed. 8.2 Pipe protection After the supply and demand parties agree and specify in the contract, the pipe can be installed with a protective device. 8.3 Marking 8.3.1 Marking position: 5. For example, the outer diameter is not more than 406.4m1m, the inner diameter is less than 100mm from the inner surface of the pipe end: For steel pipes with a nominal outer diameter of less than 46.4m, the outer surface is about 150m away from the remaining pipe surface, and then 8.3. 2 Marking shall be based on the specified contents,
.3.2 The marking shall include:
H) manufacturer's name or logo:
1 standard number;
e) nominal diameter, mm;
d) nominal wall thickness, mm;
) nominal length, mm
number:
h; qualified mark of the quality inspection department,
8.3.3 If the purchaser requires, the steel pipe with a nominal external weight less than 40,4 can be slightly marked inside: the internal mark must be multiplied by the external mark 1 towards one end, and the inspection of the internal mark shall start from both ends but not less than 10mm. The marking contents include a) Steel number:
) Steel number:
c) Steel length, m
8.4 Quality certificate
SY/T 5040--2000
Before leaving the factory, the factory quality inspection and maintenance department shall provide a quality certificate to prove that the supplied steel pipes meet the requirements of this standard. The quality certificate should indicate:
Name of the manufacturer:
Name of the purchaser:
) Delivery time
d) Contract number:
e) Standard number:
Product name and specifications;
g) Number of coils and weight:
h) Batch number and steel grade of the steel coil:
Signature;
Various test results specified in the standard and contract:
k) Shipping number:
) Record of the quality inspection department,
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