SA542 Grade C Class 3 in the standard A-542/SA-542M is a kind of Mo-V alloy steel plates material used to fabric high temperature pressure vessels.A542 have Five grades or levels. They are : grade A, grade B, grade C, grade D, grade E .A542 Grade C Class 3 need to be done the (Quenching + Tempering ) heat-treatment to meet the property requirement in the standard ASTMA-542/SA-542M.
Key words:A542 Grade C Class 3,ASTM A542 Grade C Class 3，A542 Grade C Class 3 steel plate,ASTM A542 Grade C Class 3 high tensile alloy steel plates,ASTM A542 Grade C Class 3 for fabric high temperature pressure vessels
ASTMA542 Grade C Class 3 steel chemical composition(%)
|
Composition |
Grade B |
|
|
C |
Heat analyse |
0.11~0.15 |
|
Product analyse |
0.08~0.18 |
|
|
Mn |
Heat analyse |
0.30~0.60 |
|
Product analyse |
0.25~0.66 |
|
|
P ≤ |
Heat analyse |
0.025 |
|
Product analyse |
0.025 |
|
|
S ≤ |
Heat analyse |
0.025 |
|
Product analyse |
0.025 |
|
|
Si ≤ |
Heat analyse |
0.13 |
|
Product analyse |
0.13 |
|
|
Ni ≤ |
Heat analyse |
0.25 |
|
Product analyse |
0.28 |
|
|
Cr |
Heat analyse |
2.75~3.25 |
|
Product analyse |
2.63~3.37 |
|
|
Mo |
Heat analyse |
0.90~1.10 |
|
Product analyse |
0.85~1.15 |
|
|
B |
Heat analyse |
0.001-0.003 |
|
Product analyse |
- |
|
|
V |
Heat analyse |
0.20-0.30 |
|
Product analyse |
0.18-0.33 |
|
|
Ti |
Heat analyse |
0.015-0.035 |
|
Product analyse |
0.005-0.045 |
|
|
Ca② |
|
- |
|
|
- |
|
|
Cu≤ |
Heat analyse |
0.25 |
|
Product analyse |
0.28 |
|
|
Nb |
Heat analyse |
- |
|
Product analyse |
- |
|
Note : ① In A 542/A 542M-82 standard and the earlier standard, the steel plates whose thickness ≤ 125mm,C must be ≤ 0.15%
② Ca can be replace by REM as the agreement with manufacturer and buyer, if like this, then the total amount of REM should be stated.
ASTM A542 Grade C Class 3 steel mechanical properties :
|
Tensile strength ksi（Mpa） |
95-115（655-795） |
|
Yield strength , Min , ksi（Mpa） |
75（515） |
|
Elongation 2in（50mm），%，A |
20 |
Shanghai Katalor is a professional ASTM A542 steel stockist and supplier. We can supply different product type of ASTMA542. If you have any need of ASTMA542 steel please do
Related link :
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ASTM A542 Grade A |
Class 1 |
Class 2 |
Class 3 |
Class 4 |
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|
ASTM A542 Grade B |
Class 1 |
Class 2 |
Class 3 |
Class 4 |
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ASTM A542 Grade C |
Class 1 |
Class 2 |
Class 3 |
Class 4 |
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|
ASTM A542 Grade D |
Class 1 |
Class 2 |
Class 3 |
Class 4 |
Class 4a |
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|
ASTM A542 Grade E |
- |
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