Sichuan Liaofu Special Steel Company is one of the most experienced manufacturers and suppliers of 253 ma stainless steel welded pipe in China. With over 20 years' experience, our factory offer high quality products made in China with competitive price. Welcome to contact us for wholesale service.
253 MA stainless steel welded pipe Its corrosion resistance is very good, can work in high temperature and strong oxidation environment for a long time. Compared to conventional stainless steel, 253 MA is able to withstand a higher temperature range. At temperatures as high as 1500 ° F, the oxidation resistance of 253 MA is still excellent.
Executions Tubes, Pipes and Butt Weld Fittings
• Welded with- or without filler metal
• Unannealed, pickled • Solution annealed and pickled
• With – or Without BCW (Bead Cold Work) – Tubes Only Bevelled ends according to standards Heat and corrosion resistance A common feature of high temperature steels is that they are designed primarily for use at temperatures exceeding ~550°C, i.e. in the temperature range where creep strength as a rule is the dimensioning factor and where HT corrosion occurs. Optimizing steels for high temperatures has meant that their resistance to wet corrosion has been limited.
Welding Common welding methods for tubular products are:
• MMA, SMAW (Shielded Metal Arc Welding)
• TIG, GTAW (Gas Tungsten Arc Welding) • MIG, MAG, GMAW (Gas Metal Arc Welding)
• FCAW (Flux-Cored Arc Welding)
• PAW (Plasma Arc Welding)
• SAW (Submerged Arc Welding)
Heat exchanger tubes and pipes in processes for:
• Exhaust system
• Furnace rolls
• Furnaces for drying
• Heat recovery, carbon black
• Hydrocarbon gases, painting
• Flue gas and synthetic graphite
• Production of Aluminium Sulphate
• Production of mineral wool
• Pyrometer • Recuperators
• Waste combustion
• Waste incineration
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 |

More grades we can supply :



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