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410S (S41008)

Alloy 410S stainless steel is a low carbon modification of Type 410 stainless steel. Low carbon and optionally a small addition of titanium and/ or columbium minimize austenite formation at high temperatures, thereby restricting the alloy’s ability to harden. The material remains soft and ductile even when the material is rapidly cooled from above the critical temperature. This low hardening characteristic helps to prevent cracking when the steel is welded or exposed to high temperatures. The alloy is completely ferritic in the annealed condition. 410S is ferromagnetic.

Specifications

Chemical Composition, %

Features

Applications

Physical Properties

UNS: S41008 W. Nr./EN: 1.4000 ASTM: A 240 ASTM: SA – 240

• Increased weldability over 410
• Maintains ductility even when heated and quenched

• Tower packing
• Distillation trays
• Automotive exhaust components • Quenching racks

Density: 0.280 lb/in3 Melting Range: 2700 – 2790°F

Cr

Mn

Ni

C

Si

P

S

Fe

MIN

11.5

MAX

13.5

1.0

0.6

0.08

1.0

0.04

0.03

balance

Temperature, °F

212

600

1000

1200

Coefficient of Thermal Expansion* in/in°F x 10-6

6.0

6.4

6.7

7.5

Thermal Conductivity Btu • ft/ft2 • hr • °F

187

Modulus of Elasticity, Dynamic psi x 106

29.0

Mechanical Properties

* 70°F to indicated temperature.

Tensile Properties

Minimum (Plate)

Typical

Ultimate Tensile Strength, ksi

60

64.4

0.2% Yield Strength, ksi

30

42

Elongation, %

22

33

Hardness, Rb

89 (max)

75

Cold Bend, °

180

 

Limitation of Liability and Disclaimer of Warranty: In no event will South Coast Industrial Metals or any of its affiliates be liable for any damages arising from the use of the information included in this document or that it is suitable for the ‘applications’ noted. We believe the information and data provided to be accurate to the best of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. South Coast Industrial Metals, Inc. assumes no implied or express warranty in regard to the creation or accuracy of the data provided in this document.