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STANDARD | WERKSTOFF NR. | UNS |
253 MA | 1.4835 | S30815 |
Element | 253 MA |
C | 0.05 – 0.10 max |
Ni | 10.00-12.0 max |
Si | 1.40 -2.00 max |
N | 0.14-0.20 max |
S | 1.40-2.00 max |
Mn | 0.80 max |
P | 0.04 max |
Cr | 20.00 - 22.00 |
Ce | 0.03 - 0.08 |
Fe | Balance |
Element | 253 MA |
Tensile Strength | 600 |
Yield Strength (0.2%Offset) | 310 |
Elongation | 40 % |
Hardness | 95(Rockwell B) |
Food Processing Industry |
Fabrication Industry |
Oil and Gas Industry |
Chemical Industry |
Plumbing |
General Purpose Applications |
Heating |
Water Supply Systems |
Power Plant |
Paper & Pulp Industry |
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MA 253 is an austenitic stainless steel alloy containing chromium, nickel, and nitrogen. It also includes reactive elements like cerium and silicon. This alloy is designed for high-temperature applications where resistance to oxidation and thermal stability are critical, such as in recuperators for steel mills and lance tubes used in blast furnaces.
RA 253 MA stainless steel is often compared to AISI 310 stainless steel due to its excellent oxidation resistance up to 2000°F (1093°C). However, RA 253 MA offers superior creep strength at temperatures above 1600°F (871°C) due to its additions of carbon and nitrogen.
253MA stainless steel is a high-performance austenitic stainless steel grade known for its exceptional service properties at high temperatures. It offers excellent oxidation resistance up to 1150°C (2102°F) and is particularly suited for environments containing carbon, nitrogen, and sulfur. It provides superior performance compared to Grade 310 stainless steel in such conditions.