This standard specifies the classification, technical requirements, test methods, inspection rules, packaging, marking, transportation, storage and quality certificate of magnesia-calcium bricks. This standard is applicable to fired magnesia-calcium bricks used in metallurgical furnaces such as AOD, VOD, LF and cement rotary kilns and other building materials industrial kilns. YB/T 4116-2003 Magnesia-calcium bricks YB/T4116-2003 Standard download decompression password: www.bzxz.net

1cs 61.030
People's Republic of China Ferrous Metallurgy Industry Standard YB/14116—2003
2003-03-18 Issued
Magresia-calcia bricks
National Economic and Trade Commission
2003-06-01 Implementation
The contents of this standard are standard external records.
This standard is formulated and managed by the National Material Physical and Chemical Technology Committee, and the standard is completed by: Taibao Steel (Group) Co., Ltd. The main drafters of this standard are: Zhang Ming, Qu Jun1: Chao Yuli, YE/T 4115—2003
! Scope
Magnesium-calcium brick
YB/T4116—2003
This standard is extended: classification of calcium-calcium bricks, test methods, packaging, marking, storage and quality certificates, 2. Standard application"AD, V)1I review of metallurgical materials to change the case and other materials industry case into money still certificate. 2. Normative referenced documents
The following documents have become the standard of the Japanese version of this standard. Note that the documents are not suitable for the new version of this standard, but the new version of this standard is not suitable for the new version of this standard. However, the referenced documents and the revised version of this standard are not suitable for the new version of this standard. C effective fire-setting product volume flow, root porosity and true air rate test method [130.2-2! This institute set up aluminum (B9.42 series of chemical analysis methods for refractory materials and magnesium) and more refractory materials chemical analysis methods, part 2, non-optical measurement of oxidation data
53620, the Ministry of Social Affairs, the Ministry of Quality Supervision, Inspection and Quarantine of State Refractory Materials, chemical analysis methods, method for determination of calcium oxide K/6, 1-30C1, quality and exhibition refractory materials chemical analysis methods, method for determination of calcium oxide, money positive
T to consult the real refractory system room temperature test method
BT32. to determine the sample preparation regulations for refractory product testing
GK: 1C823-2m Beijing refractory sample test-text rules 1C1262 large system 1 outside and cut-off
GR16E46-199 real refractory to call packaging standard! Marketable and storage B1753 package fire-formed shape size
YB0 steelmaking conversion price attached fire brick shape size meter
P refractory production station has heavy education benefit test method false non-indicator to rise overflow society: 3 symbols
mark to engrave the symbol below,
3.1X the maximum single position of the new car
3.2X the single ~ of the sample wood,
3. Based on quality characteristics
3.4 ​​(quality characteristics guarantee average Bo.
4 classification
4.1 policy conversion safety standard is divided into M-1U, M-5, M-M2M: military element individual fast growth: obstacle in M ​​division is delivered, the ratio of the teaching with learning, the effective hand is, calcium hydride risk fraction (), YA/T 411G—2003
4.2 The color of the color should be guaranteed to be B1 with the YB's fixed light gram degree of the repair time, and the size should be produced.
Technical requirements
5.1 The physical and chemical indicators of the policy should be in accordance with the table [, Table 1
Physical and chemical indicators of decayed bricks
T NRAFS+K
Inquiry resistance to positive strength development/Ma
Softening start
Note·Effect. Night selection month 32u20u recovery result determination. S呆,AI,OF combined quantity
Punishment lake and solution business must be the target index operation test SCG -20
5.2 The physical and chemical indicators of magnesium bricks shall comply with the provisions of annex A of this standard when selecting and accepting GR/T335.
5.3 The size tolerance of light-weight bricks shall be in accordance with the requirements of table 2. 5.3.1 is a negotiable main size for the United States and other major sizes. 5.3.2 The cracking of the cross section of the bricks shall be determined according to the cracking index in table 2. 5.3.3 The structural analysis of calcium bricks is available. Table 2 The size tolerance and appearance of magnesium-calcium bricks
Size tolerance
R+ :pt--?
Size 500
Single World Rice
Tree South
Refers to the edge of the fall
Lack of fast long Chen ()
Effective Year of Ox
Test Method
Table 2)
Length>sng
Half-working
Working frying surface
Non-T fraud surface
Width 25-C 5)
Width>1.c
YB/T4116-2003
Degree is high rice
Agricultural limited creation
E1 calcium delivery test system according to B/T7321. The sample should be taken by ten methods or drilled, and the prepared test should not be dry, and the test should be carried out within 2 years.
Page 6.2 The determination of magnesium chloride and calcium chloride shall be in accordance with GB/T5069.11:2001. E.3
The determination of silicon dioxide shall be in accordance with GB/F300! , 2-2001 for the determination of the known bottle of two iron ore according to G/T506S.-20n1 for the determination of three iron ore (B/T5069.4-2001 for the determination of the gas content, the physical separation test! 2497-202 production line. 6.7
for some tests in accordance with GB/T5(172 at room temperature. G.8
for the test of the recommended temperature of the calcination of the bricks according to Y1B3/T370, 6.9
for the size, appearance and cross-section of the chain calcium bricks according to GH/T1C%25-2001, the inspection of the report adopts the flat report-plug method. Inspection report
7.1 the amount of chain calcium, a role is not 1:100 17.2 The inspection of calcium carbonate shall be carried out in accordance with GR/11032:-211. 2.3 The bulk density and room temperature strength of calcium carbonate shall be the inspection items of the product. 8. The marking, packaging, transportation, storage and quality certificate of magnesium carbonate shall comply with the provisions of GB/T16515-1996. 8.1.1 The packaging shall be marked with the product name, product number, quantity, manufacturing date, supplier name and product name mark. 8.1.4 The magnesium calcium bricks shall be stored in the warehouse of the supplier and shall not be exposed to rain or moisture. 8. When magnesium calcium bricks are delivered, they shall be accompanied by a quality certificate issued by the relevant supervision department, stating the name of the supplier, the name of the buyer, the product name, the product number, the production number, the batch number, the physical and chemical test results and size, appearance, and the results of the test. The warranty period shall be indicated. 4116-2C03Www.bzxZ.net
Appendix A
Normative data:
Apply to GB/T0325
2031 Appendix A The physical and chemical indicators and the specified list of magnesia-calcium bricks are given.
Central 1 Record A Operation test brick physical and chemical indicators, Table 41 Physical and chemical indicators of magnesia-calcium bricks
Detailed prediction speed g/:m:
M Commercial start
41 Given (quality characteristics) guarantee average value heat: and (quality transfer) standard deviation 5 Suitable for C1:32.2 Sichuan 1 Appendix A Table A. For the standard,
If the room temperature pressure resistance is verified, the following table should be used.! In the middle, it should be determined for the unqualified support
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