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A36 steel plate is similar to Q235B steel plate, it is one Q235b equivalent steel standard, another one is SS400.
The difference between A36 and Q235B is as follows:
Different Yield Point (A36=250MPa, Q235B=235MPa);
Different Tensile Strength (A36=400-550MPa, Q235B=375-500MPa);
Different element content requirements: (A36: C is equal to or less than 0.25%, Si is less than or equal to 0.4%, P < 0.04%, s is less than or equal to 0.05%; Q235B: C=0.12-0.2%, Si is less than or equal to 0.3, P < 0.045%, s is equal to or less than 0.045%).Q235 manganese content of the requirements (Mn=0.30-0.70%) A36 manganese content is not required.
| Steel Standard | Steel Grade | ||||||
| C(≤) | Mn(≤) | Si(≤) | S(≤) | P(≤) | Cu(≤) | ||
| ASTM | A36 | 0.26 |
| 0.40 | 0.050 | 0.040 | 0.2min |
| GB | Q235B | 0.12~0.20 | 0.30~0.70 | 0.30 | 0.045 | 0.045 |
|
| JIS | SS400 | - | - |
| 0.050 | 0.050 |
|
As can be seen from data above, ASME standard A36 and China standard Q235B materials are named according to yield strength of material, and for SS400 is tensile strength. From the analysis of mechanical properties, A36 and SS400 are more equivalent, while Q235B material is less.
Address: Zhengzhou city in China.
Phone: 0086-371-86151827
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