310 Stainless Steel

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310 Stainless Steel

Type 310/310S Stainless Steel is covered by the following specifications:ASTM A 167, ASTM A240.

Chemical Composition: 

Element Type 310 Type 310S
Carbon 0.25 max. 0.08 max.
Manganese 2.00 max. 2.00 max.
Sulfur 0.030 max. 0.030 max.
Phosphorus 0.045 max. 0.045 max.
Silicon 1.50 max. 1.50 max.
Chromium 24.0 – 26.0 24.0 – 26.0
Nickel 19.0 – 22.0 19.0 – 22.0

Mechanical Properties:

Type Yield Strength 0.2% offset (KSI) Tensile Strength (KSI) % Elongation (2" Gauge length) Hardness Rockwell
310 30 min. 75 min. 40 min. HRB 95 max.
310S 30 min. 75 min. 40 min. HRB 95 max.


Fabrication:
Commonly used in the heat treatment and process industries due to high temperature and corrosive environments
Often fabricated into complex structures
Roller-forms, stamps and draws readily
Because 310 work hardens, severe forming operations should be followed by an anneal


Weldability:
Austenitic stainless steel is generally considered to be weldable
Generally considered to have weldability equivalent to 304 and 304L
Special consideration is needed to compensate for a higher coefficient of thermal expansion to avoid warping and distortion