A542 in the standard ASTM A-542/A-542M is a kind of Mo-V alloy steel plates material used to fabric high temperature pressure vessels. ASTM A542 have Five grades or levels. They are : grade A, grade B, grade C, grade D, grade E . A542 need to be done the (Quenching + Tempering ) heat-treatment to meet the property requirement in the standard ASTM A-542/A-542M.
Standard: ASTM A-542/A-542M
Steel Grade : A542 GR A, A542 GR B, A542 GR C, A542 GR D, A542 GR E
Thickness :3mm -260mm
Width:1000mm-4000mm
Length :1000mm-18000mm
MOQ: 1 PC
Delivery time : 10-40 days (Production)
MTC: Available
Payment Term : T/T or L/C At sight .
ASTM A542 steel chemical composition : %
|
Composition |
Grade A |
Grade B |
Grade C |
Grade D |
Grade E |
|
|
C |
Heat analyse |
≤ 0.15 |
0.11~0.15 |
0.10~0.15 |
0.11~0.15 |
0.10~0.15 |
|
Product analyse |
≤ 0.18 ① |
0.09~0.18 |
0.08~0.18 |
0.09~0.18 |
0.06~0.18 |
|
|
Mn |
Heat analyse |
0.30~0.60 |
0.30~0.60 |
0.30~0.60 |
0.30~0.60 |
0.30~0.60 |
|
Product analyse |
0.25~0.66 |
0.25~0.66 |
0.25~0.66 |
0.25~0.66 |
0.25~0.66 |
|
|
P ≤ |
Heat analyse |
0.025 |
0.015 |
0.025 |
0.015 |
0.010 |
|
Product analyse |
0.025 |
0.015 |
0.025 |
0.020 |
0.010 |
|
|
S ≤ |
Heat analyse |
0.025 |
0.015 |
0.025 |
0.010 |
0.010 |
|
Product analyse |
0.025 |
0.015 |
0.025 |
0.015 |
0.010 |
|
|
Si ≤ |
Heat analyse |
0.50 |
0.50 |
0.13 |
0.010 |
0.15 |
|
Product analyse |
0.50 |
0.50 |
0.13 |
0.013 |
0.15 |
|
|
Ni ≤ |
Heat analyse |
0.40 |
0.25 |
0.25 |
0.25 |
0.25 |
|
Product analyse |
0.43 |
0.28 |
0.28 |
0.28 |
0.28 |
|
|
Cr |
Heat analyse |
2.00~2.50 |
2.00~2.50 |
2.75~3.25 |
2.00~2.50 |
2.75~3.25 |
|
Product analyse |
1.88~2.62 |
1.88~2.62 |
2.63~3.37 |
1.08~2.62 |
2.63~3.37 |
|
|
Mo |
Heat analyse |
0.90~1.10 |
0.90~1.10 |
0.90~1.10 |
0.90~1.10 |
0.90~1.10 |
|
Product analyse |
0.85~1.15 |
0.85~1.15 |
0.85~1.15 |
0.85~1.15 |
0.85~1.15 |
|
|
B |
Heat analyse |
- |
- |
0.001~0.003 |
0.0022 |
- |
|
Product analyse |
- |
- |
- |
- |
- |
|
|
V |
Heat analyse |
≤ 0.03 |
≤ 0.02 |
0.20~0.30 |
0.25~0.354 |
0.20~0.30 |
|
Product analyse |
≤ 0.04 |
≤ 0.03 |
0.18~0.33 |
0.23~0.37 |
0.18~0.33 |
|
|
Ti |
Heat analyse |
- |
- |
0.015~0.035 |
≤ 0.030 |
- |
|
Product analyse |
- |
- |
0.005~0.045 |
≤ 0.035 |
- |
|
|
Ca② |
|
- |
- |
- |
≤ 0.015 |
0.005~0.0015 |
|
|
- |
- |
- |
≤ 0.020 |
- |
|
|
Cu≤ |
Heat analyse |
0.40 |
0.25 |
0.25 |
0.20 |
0.25 |
|
Product analyse |
0.43 |
0.28 |
0.28 |
0.25 |
0.28 |
|
|
Nb |
Heat analyse |
- |
- |
- |
≤ 0.07 |
0.015~0.070 |
|
Product analyse |
- |
- |
- |
≤ 0.08 |
0.010~0.075 |
|
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.
Related products: ASTM A542 Grade A Class 4, ASTM A542 Grade A Class 3, ASTM A542 Grade A Class 2, ASTM A542 Grade A Class 1, ASTM A542 Grade B Class 1, ASTM A542 Grade B Class 2, ASTM A542 Grade B Class 3, ASTM A542 Grade B Class 4, ASTM A542 Grade C Class 1, ASTM A542 Grade C Class 2, ASTM A542 Grade C Class 3, ASTM A542 Grade C Class 4, ASTM A542 Grade D Class 1, ASTM A542 Grade D Class 2, ASTM A542 Grade D Class 3, ASTM A542 Grade D Class 4, ASTM A542 Grade D Class 4a, ASTM A542 Grade E
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