Some standard content:
1CS 77. 140. 60
National Standard of the People's Republic of China
GB/T 4356—2002
Look for the police GB/4356--1984
Stainless steel wire rods
Stainless steel wire rods
2002-11-29
People's Republic of China
General Administration of Quality Supervision, Inspection and Quarantine
2003-06-01 implementation
GB/T 4356-2002
This standard is not equivalent to the effect of JIS4308-1998 stainless steel wire rod. Compared with JIS4308-1998, the main differences are as follows: 7 steel grades have been added, the chemical composition of phosphorus (mass fraction) has been tightened by 0.00%; the wire rod diameter has been increased from 5.5mm20mm to 5.5mm30mm; the allowable deviation and non-roundness of the wire rod diameter shall be in accordance with the general requirements of my country's wire rod standards. From the date of implementation, this standard replaces GB/T4356-1984 stainless steel wire rod. Compared with GR/T4356-1984, the main changes are as follows:
The wire rod diameter has been increased from 5.5mm~160mm to 5.5mm~30mm; the allowable deviation and non-roundness requirements of the wire rod diameter have been improved; the grades have been modified and the original standard grades have been deleted? , 23 grades were added; - The hardness requirements for delivery in the annealed state were increased, the surface quality requirements were improved, and the allowable defect depth was reduced. Appendix A and Appendix B of this standard are informative appendices. This standard was proposed by the former State Metallurgical Industry Bureau. This standard is under the jurisdiction of the National Steel Standardization Technical Committee. The drafting team of this standard: Dalian Iron and Steel Group Corporation, Taiyuan Iron and Steel Group Corporation. The main drafters of this standard are Zhen Juan, Li Ying, Fu Jun, He Wei, Zhang Juntang, and Niu Chenmei. The previous versions of the standards replaced by this standard are: - GB/T 4356---1984.
Stainless steel wire rod
GR/4356---2002
This standard specifies the size, shape, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of stainless steel wire rod. This standard is applicable to the manufacture of stainless steel wire, stainless top forging wire, stainless spring steel wire, and wire insulation hot wheel wire rod, but not to welding wire rod.
2 Normative References
The clauses in the following documents become the clauses of this standard through reference in this standard. For all referenced documents with a date, all amendments (excluding errata) or revisions are not applicable to this standard. However, parties that have difficulty in reaching an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For all referenced documents without a date, the latest version is applicable to this standard. GB/T222—1984 Chemical analysis of steel - Sample collection method and chemical composition tolerance of finished products GB/T223.3 Chemical analysis methods for steel and alloys - Determination of phosphorus content by diantipyryl methane phosphite gravimetric method GB/T223.4 Chemical analysis methods for steel and alloys - Determination of manganese content by ammonium nitrate oxidation volumetric method GB/T223.8 Chemical analysis methods for steel and alloys - Determination of monoaluminum content by sodium fluoride separation-EDTA volumetric method GB/223.11 Chemical analysis methods for steel and alloys - Determination of complex content by persulfate oxidation volumetric method Sulfate-free iron - Determination of vanadium content by volumetric method GB/T223.13 Chemical analysis methods for iron and alloys - Determination of vanadium content by diantipyryl methane photometric method GB/T 223.17 Chemical analysis methods for steel and alloys - Determination of chromium content by diantipyryl methane photometric method
GB/T223.18 Chemical analysis methods for steel and alloys GR/T223.23 Chemical analysis methods for steel and alloys 5 Chemical analysis methods for steel and alloys
GB/T 223.25
5 Chemical analysis methods for steel and alloys
GB/F 223.26
Sodium thiosulfate separation-iodine development method for determination of copper content Copper disulfide spectrophotometric method for determination of nickel content
" Copper disulfide gravimetric method for determination of nickel content
Thiocyanate direct photometric method for determination of sales volume
GB/T223.28 Chemical analysis methods for steel and alloys 2 Benzoic acid gravimetric method for determination of sales volume
GB/T 223.36
Chemical analysis methods for steel and alloys
Chemical analysis methods for steel and alloys
GB/T 223. 43
3Methods for chemical analysis of steel, iron and alloy
GB/T 223.58
Distillation separation-neutralization titration method for determination of air volume
Calcium content
Sodium nitrate-sodium nitrate titration method for determination of manganese content GB/T223.59Methods for chemical analysis of steel, iron and alloy-antimony phosphorus aluminum blue photometric method for determination of phosphine content Chemical analysis of steel, iron and alloy-perchloric acid dehydration gravimetric method for determination of silicon content GB/T 223.60
Methods for chemical analysis of steel, iron and alloy-reduction evaporation-methylene blue photometric method for determination of sulfur content GB/T 223. 67
G/T 223.69
Methods for chemical analysis of steel, iron and alloy-gas volumetric method for determination of carbon content after combustion in a tubular furnace Chemical analysis of steel, iron and alloy-gravimetric method for determination of carbon content after combustion in a tubular furnace GB/T 223.71
GB/T 223. 72
Methods for chemical analysis of steel and alloys-Determination of chromatographic sensitivity by the method of barium piate redevelopment with the support of aluminum layer separation GB/T2.28---1987 Jinrun tensile test method Jinlu Brinell hardness test method
GB/T 231
GB/T 4356—2002
GB/T2101 Acceptance of steel. General provisions for packaging, marking and quality certificate GB/T11981—1994 Size, shape, weight and allowable deviation of hot-rolled wire rod YB/T5148 Determination of average grain size of metal 3 Order content
The contract or order for ordering according to this standard shall include the following contents: a)
Standard number:
Product name:
Brand number or unified digital code,
Delivery weight (quantity);
Dimensions and shape;
Delivery status:
Special requirements (if required, see 5.5). 4 Size, shape and weight
The diameter of the wire rod is: 5.5 mm~30.0 nm. 4.2 The allowable deviation of the diameter of the wire rod shall comply with the requirements of Class B accuracy in GB/T14981-1994. After negotiation between the supplier and the supplier and with notice in the contract, the wire rod can also be supplied with other levels of accuracy.
4.3 The out-of-roundness of the wire rod shall comply with the requirements of Class B accuracy in GB/T14981-1994.
4.4 The weight of the wire rod shall not be less than 500kg. 5 Requirements
5.1 Brand and chemical composition
1994. After consultation between the supplier and the buyer and the supplier and specified in the contract, 5.1-1 The steel grade and chemical composition (melting analysis shall comply with the provisions of Table 1. According to the requirements of the buyer and the agreement of both parties, other grades of wire rods can also be supplied.
5.1.2 The allowable deviation of the chemical composition of the finished wire rod shall comply with the provisions of GB/T222. The supplier shall only conduct chemical composition analysis of the finished product when the buyer requires and specifies it in the contract.
5.2 Delivery Status
Ferritic steel and 0Cr13, 1Cr13 steel wire rods shall be delivered in the state of pickling after hot rolling. According to the user's requirements and indicated in the contract, they can also be delivered after annealing and pickling. Martensitic steel wire rods (except CCr13 and 1Cr13 steels) shall be delivered in the state of pickling after annealing. Austenitic steel and precipitation hardening steel wire rods shall be delivered in the state of pickling after hot rolling. According to the user's requirements, it shall be indicated in the contract. They can also be delivered after pickling after solidification. 5.3 Hardness
For ferritic steel and martensitic steel wire rods delivered in the annealed state, the annealing process shall refer to Table 2. The hardness shall comply with the provisions of Table 2. 272
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5.4 surface quality
退火temperature/
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5.4.1盘条应电影这些，运动的不同有对对代表的这些。5.4.2 盘向裂细状的运动的这些的表表3的这个。5.5 special requirements
GE/T 4356—2002. 5--14. 0
> [4. 0~20. 0
>20. 4356--2002
6.2 size. 3北京分分分品
全斯分分成分用试样按GB/T222的电影的方法，全旅分分分成分一股法件下载的方法的方法，但名生成分手GB/T 223电影的设计的方法。6. 4晶粒度、图度及新方支
晶粒度、图件及方料改表4方法电影教事。7 inspection rules
7.1 inspection and inspection
杂按本标准可以对盘条性是改收。7.2组批所论
盘条应所批论行没套和改收，每批应由会物号.3 Sampling quantity and sampling position
The sampling quantity and sampling position of each inspection item of a batch of wire rods shall be as specified in Table 1. Re-inspection and judgment rules
Among all sampling inspection items, if any inspection item fails, double the number of samples shall be randomly taken for reverse re-inspection of the unqualified items. If even one indicator fails in the re-inspection result, the batch of wire rods shall be considered unqualified. However, the supplier has the right to re-heat treat and classify the unqualified wire rods as a new batch of inspection and acceptance.
Table 4 Inspection items, sampling quantity, sampling position and test methods for wire rods
Inspection items
Chemical classification
Grain size
Tensile test
8 Packaging, marking and quality certificate
Number of copies
Each rod
1 rod per batch
2 rods per batch
2 rods per batch
The packaging, marking and quality certificate of wire rods shall comply with the provisions of GB/T2101. 276
Sampling position
GR/T 222
Any rod
Different rods
Different rods
Test method
YB/T514B
GB/T 231
GB/T 22H
Ferrite type
Martensite type
YICr17
1Cr17Mo
YICt13
1C-13Mo
Y3Cr13
3C-13Mo
ICr17Ni2
ICr11Ni2W2MaV
2Cr13Ni2
YHCr17
SCr1aMo
9Crl8MoV
Appendix A
(Informative Appendix)
Main uses of stainless steel
Properties and uses
GE/T 4356—2002
General purpose steel with good corrosion resistance. It has better cutting performance than 1CT17, and can be used in automatic lathes. It is an improved steel grade of 1Cr17, and has stronger salt resistance than 1Cr17. It is used as an automotive exterior decoration material to make parts with high resistance and impact loads. It has good mechanical properties. It is the best steel for cutting tools in general. It is a high-strength steel with higher corrosion resistance than 1Cr13 for automatic lathes. It has a higher hardness in the annealing state, and has better corrosion resistance than 2Cr13 after annealing. Cutting tools, nozzles, sheds, doors, etc. Improve the machinability of 3Cr13. High hardness and high wear resistance of hot oil pump shafts. Medical equipment spring single parts. High hardness and high wear resistance of hot oil system shafts, medical equipment spring tubes and other parts. It has high strength and good corrosion resistance and oxidation resistance in fresh water and humid air. It has high strength and good corrosion resistance in the atmosphere, water, nitric acid, and water-reducing solutions. It is usually used as instrument shafts, belts, gears, sleeves and bolts. It is hard in the molten state, but has higher toughness than 8Cr17 and 11Cr17. For relative, it is hard in the vertical hardening state, harder than 7Cr17, and lower toughness than 11Cr17. It has the highest hardness among all stainless steels and heat-resistant steels. It is used as a kind of high magnetic chromium stainless steel with improved cutting performance, such as stainless steel slicers and shearing tools, surgical blades, and commercial wear-resistant equipment parts. It is used as a kind of high magnetic chromium stainless steel with improved cutting performance, such as bearing rings and rolling elements for automatic lathes, stainless steel slicers and shearing tools, surgical blades, and commercial wear-resistant equipment parts. -2002
IC-17Mn6Ni5N
ICrI&MBNiSN
2Cr15Mn15Ni2N
JCr18Ni9
YICrt8Nis
OCr18N i9
(C-19Nig
00Ct19Ni10
(Cr18Ni9Cu2
Austenitic type
resistant to sedimentation
OCr18Ni9Cu3
CCr17Nij 2M02
Ootr17Ni14Mo2
CCr19Ni13Ma3
00Cr19Ni13Mo3
1Cr18Ni9Ti
(C-18N10Ti
OCr18Ni12
1Cr18Ni12
0Cr23Ni13
OC125Ni20
DCr1?Ni7Al
Capsule A.1 (continued)
Characteristics and uses
Ni Steel type, cold working has general properties. Railway vehicle N-reducing steel, replacing 1Cr18Ni
VCR precision shaft, sensor and other non-magnetic components can obtain high strength through cold working, and improve machinability and burning resistance of building surface filling materials. Most suitable for automatic lathes. Light screws and nuts are stainless steel, heat-resistant steel is the most widely used, food equipment, general chemical equipment, and atomic energy industry consumption materials
0Cr19Ni9 is a kind of steel with excellent resistance to intergranular brain test. 0Cr19Ni9 adds Cu, and the final processing and non-problem properties are improved, 0Ct19Ni9 The intermediate component of 0Cr18Ni9Cu3, cold-rolled screws, nuts, etc. Add Cu to OCr19Ni9 to improve cold-rolling resistance, cold-rolled seawater and other various media. It has better candle resistance than 0C-19N:9, and has better resistance to point corrosion than OCr17Ni12Mo2. It is used as a super-sensitive key for dyeing equipment, etc. 0Cr19Ni13Mo3 has better resistance to intercrystalline corrosion than anti-magnetic instruments and medical equipment , acid-resistant containers and equipment parts, etc., adding Ti to improve the corrosion resistance of products, and not pushing for decorative materials. 1Cr!8N;12 is low-carbon, with low work hardening, and has the same use as 1Cr18Ni12. Compared with 0C-19Ni3, it has low work hardening. Spin forming plus T, special drawing, cold chain
corrosion resistance is better than aCr19Ni9. As heat-resistant steel, it is used in many places. It is superior to 0Ct23Ni13 in oxidation resistance. In actual applications, it is used as heat-resistant more often
add AI Precipitation hardening steel, springs, gaskets, instrument parts GB/1 4356--2002
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