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ASTM A202 Grade B is a chromium-manganese-silicon low-alloy steel tailored for high-pressure, medium-temperature pressure vessel applications.2026-04-30
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ASTM A202 Grade A is a critical chromium-manganese-silicon low-alloy steel plate specifically designed for welded pressure vessels and boilers operating at medium temperatures.2026-04-30
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ASTM A202 Pressure Vessel Steel Material and Grades:
Alloy System: **Chromium-Manganese-Silicon (Cr-Mn-Si)** Low-Alloy Heat-Resistant Steel2026-04-17 -
ASTM A204/A204M Grade B molybdenum alloy steel plates for pressure vessels feature superior chemical composition and mechanical properties compared to Grade A2026-04-10
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As a molybdenum-alloy steel plate for pressure vessels under the ASTM A204/A204M standard, A204 Gr.A is a low-alloy, high-strength material specifically designed for service conditions involving moderate temperatures (≤400°C) and moderate-to-high pressure2026-03-31
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SG255 steel plate,SG255 steel plate supplier
SG255 steel plate under JIS G3116 standard which is a kind of gas cylinders and gas vessel steel. The following is SG255 steel plate details for your reference:
SG255 steel plate specification:
Grade: SG255 Standard: JIS G3116
Thickness:6mm-300mm, Width: 1500mm-4050mm, Length: 3000mm-15000mm
SG255 steel chemical composition:
|
Symbol |
Chemical composition |
||||
|
C max |
Si max |
Mn max |
P max |
S max |
|
|
SG255 |
0.20 |
- |
0.30 |
0.040 |
0.040 |
|
|
Yield point or proof stress N/mm2 (min) |
Tensile strength N/mm2 min |
Elongation % min |
Tensile test piece |
Bendability |
||
|
Bending Angle |
Inside radius |
Test piece |
|||||
|
SG255 |
255 |
400 |
26 |
NO.5 in rolling direction |
180° |
Thickness x 1.0 Thickness x 1.5 |
No.3 in rolling direction |
SG255 steel plate application:
SG255 steel plate is used for manufacturing gas cylinders by welding cold-formed parts together and normalizing the finished cylinder.
Payment form: T/T, L/C
Trading term: FOB, CIF, CFR
Delivery look at the situation: Spot 1-3 days, Futures 25 days(Our delivery date will be must faster according to your requirement).
Bebon international is a professional SG255 steel plate supplier and a steel Stockist in china. We keep more than 1000 tons SG255 steel plates in stock every month.