
Product: Low carbon Age hardening Nickel-copper-Chromium-Molybdenum-Columbium alloy steel plates for welded pressure vessels and piping components .
SA736 Grade A steel product available : SA736 Grade A Steel plates, SA736 Grade A steel sheets,
SA736 Grade A steel standard :ASME SA736/SA736M
SA736 Grade A delivery condition: Q(Quenched)
SA736 Grade A pressure vessel steel chemical composition %
Grade |
C max |
Mn |
P max |
S max |
Si max |
Cr |
Ni |
Mo |
Cu |
Co min |
SA736 Grade A Class 3 |
0.07 |
0.40-0.70 |
0.025 |
0.025 |
0.40 |
0.60-0.90 |
0.70-1.00 |
0.15-0.25 |
1.00-1.30 |
0.02 |
SA736 Grade A pressure vessel steel Mechanical properties
Class |
Thickness |
Tensile strength Rm MPa |
Yield strength ReH MPa min |
Elongation A% min in |
200mm |
50mm |
SA736 Grade A Class 3 |
t≤20 |
585-725 |
515 |
- |
20 |
20﹤t≤50 |
585-725 |
515 |
- |
20 |
50﹤t≤100 |
515-655 |
450 |
- |
20 |
100﹤t |
485-620 |
415 |
- |
20 |
JOIN-WIN STEEL keeps enough quantity
SA736 Grade A steel in stock each month. We can meet our customer’s further process request like : cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.
Other pressure vessel steel grades in standard ASTM A736/A736M and ASME SA736/SA736M
A736 Grade A class 3 pressure vessel steel plates