Product List
Gangsteel Material Solution
Email: admin@gangsteel.com
Sales: jack@gangsteel.com
1. Applicable scope
The technology conditions apply to SA387Gr22CL2 steel plate with the hydrogen production and inspection.
2. The steel plate size and shape, weight, allow deviation and surface quality should be consistent with the provisions of GB6654 standard.
3. 3. Chemical composition
The chemical composition of the steel plate with the provisions of the table 1.
Table 1
|
composition |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Cu |
Al |
Sb* |
Sn* |
As* |
「H」* |
|
Heating analysis |
－0.05－0.17 |
0.50－0.60 |
0.40－0.65 |
≤0.010 |
≤0.015 |
1.00－1.50 |
0.45－0.65 |
≤0.20 |
≤0.20 |
≥0.020 |
≤0.003 |
≤0.015 |
≤0.016 |
≤2ppm |
|
Product analysis |
0.04－0.17 |
0.44－0.65 |
0.35－0.73 |
≤0.010 |
≤0.015 |
1.00－1.56 |
0.40－0.70 |
≤0.25 |
≤0.20 |
≥0.020 |
≤0.003 |
≤0.015 |
≤0.016 |
≤2ppm |
note：（1）(Si+Mn)≤1.30
* residual trace element analysis results do only records, does not make the acceptance conditions （2）X=(10P+5Sb+4Sn+As)×10-2≤15ppm
（3）(Cu+Sn+As) ×10-2≤15
In Above formulate Si Mn P Sb Sn As Cu For the percentage content of each element
4. Delivery status: the steel plate to normalizing + tempering state delivery.
5 mechanical properties
The mechanical properties of the steel plate should comply with the provisions of the table 2 (sample for simulation of heat treatment after welding state)
Table 2
|
Rm(MPa) |
RP0.2(MPa) |
A(%) |
Z(%) |
475℃Gaura RP0.2(MPa) |
cold bend inspection B=2a |
-30℃charpy impact test energy，J |
HB |
|
520-685 |
≥310 |
≥19 |
≥40 |
≥217 |
D=3a |
≥55 average value ≥48signal value |
≥220 |
Note A：Impact test, shall be recorded lateral expansion value and fibrous fracture percentage for reference。
ASTM A516 GR 70 equivalent materials is such as ASME SA516 GR 70, EN 10028 P355GH, and BS1501 224-490 A & B, sh
we supply high-quality A516 Gr 70 steel plate for pressure vessel applications and other standards like ASTM A2
EN10028-2 P355GH for High-Strength Low-Alloy Columbium-Vanadium Structural Steel EN10025-2 S355J2 Structural St
We export A240 304L Stainless Coil 2B, NO.1 No.4 surface, the thickness 0.1mm to 3mm, 3mm to 22mm, Mother mill
