S31805/253Ma Stainless Steel Pipe

253MA UNS S31805 W.Nr 1.4835 SS2368 Seamless Pipe

253MA stainless steel is your fortress against extreme temperatures. Engineered with a blend of chromium, nickel, and nitrogen, this austenitic alloy boasts exceptional heat resistance. 253Ma stainless steel pipe can confidently tackle high-temperature environments, offering reliable performance even at temperatures soaring up to a staggering 2000°F 1093°C.



Alloy 253Ma Chemical Composition

% Ni Cr Fe Mn C Si S P N Ce

Min 10.0 20.0 balance 0.05 1.4 0.12 0.03

Max 12.0 22.0 1.0 0.12 2.5 0.015 0.045 0.2 0.08



UNS S31805 Physical Constants:

Density 7.8 Mg/m³

Melting Range 1371-1432 ?



253Ma pipe advantages:

1. High Creep Strength: Your assurance of durability under high-stress conditions.

2. Isothermal and Cyclic Oxidation Resistance: 253Ma pipe stands strong against the harshest oxidation challenges.

3. Combustion Gas Resistance: Defends against corrosive gases with remarkable efficiency.

4. Weldability: Easily adapted for various fabrication needs.

5. Outstanding Oxidation Resistance: Withstands extreme temperatures up to 2000°F.

6. Exceptional Creep-Rupture Strength: Comparable to premium nickel base alloys.



UNS S31805 Mechanical Properties

Grade Tensile Strength, min, MPa Yield Strength, min, MPa Elongation in 2 in. or 50mm, min, % Hardness, max HB

S31805 650-850 310 40 210



253Ma pipe applications:

253MA stainless steel pipe finds its place in a multitude of industries where strength and heat resistance are paramount.

1. Oil and Gas Industry: Ideal for offshore and onshore applications.

2. Petrochemical Industry: Safeguard critical equipment in chemical processing.

3. Power Plant Industry: Ensure uninterrupted power generation.

4. Pharmaceuticals Industry: Maintain product quality and safety.

5. Refining Industry: Withstand the harsh conditions of refining processes.