SS 253 MA ERW Round Pipe is a high temperature corrosion resistant steel with excellent oxidation and heat resistance. It can withstand high-pressure environments at high temperatures and maintains its corrosion resistance and strength. This material has very high cracking resistance and corrosion resistance at high temperatures. Therefore, the material has been widely used in petroleum, chemical industry, thermal power generation, ships, nuclear power plants, high temperature furnaces and other fields.
Its specific characteristics are:
• Austenitic micro structure
• High mechanical strength at elevated temperatures
• Low sensitivity to form sigma phase
• High resistance to: - oxidation - high temperature corrosion - creep
• Good ductility and weldability
Product Standards
Europe
• EN 10296-2 Welded SS tubes for general purposes
USA
• ASTM A 249 Welded Austenitic SS Heat Exchanger Tubes
• ASTM A 312 Welded and seamless Austenitic SS Pipes
• ASTM A 358 EF Welded Austenitic Pipe with filler metal
• ASTM A 409 Large Diameter Welded Pip
Equivalent Grades of ASTM A312 253MA SS Pipe
| Grade | UNS | WERKSTOFF NR. | EN | SS |
| 253MA(UNS S30815) | S30815 | 1.4835 | X9CrNiSiNCe21-11-2 | 2368 |
CHEMICAL COMPOSITION :
| Grade | C | Mn | Si | S | Ce | Ni | Cr | P |
| 253 MA | 0.05 - 0.10 | 0.80 max | 1.40 - 2 | 0.030 max | 0.03 - 0.08 | 10 - 12 | 20 - 22 | 0.040 max |

The SS 253 MA Stainless Steel Welded Pipe is made using advanced manufacturing processes that ensure the highest level of quality and consistency. The pipe undergoes rigorous testing and inspection processes to ensure that it meets the highest standards of quality and performance. This means that you can rely on it to perform reliably and consistently in even the most demanding environments.
More grades we can supply :



904 stainless steel tube pipes


304 stainless steel bar








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