Introduction
310S stainless steel bars are bar products made from high-chromium, high-nickel austenitic stainless steel as the base material, conforming to ASTM A276/A479 standards. This material is mainly used for bearing loads in high-temperature environments or as structural and heat-resistant components.
Specification
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Item |
Details |
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Grade |
310S (UNS S31008, ASTM A276 / A479) |
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Shape |
Round Bar |
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Diameter |
6mm – 500mm |
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Length |
1-6m(customized) |
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Tensile Strength |
≥515 MPa |
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Yield Strength |
≥205 MPa |
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Elongation |
≥40% |
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Hardness (Brinell HB) |
≤217 |
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Surface Finish |
Black, Bright, Polished, Ground, Pickled & Passivated |
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Production Method |
Hot Rolled, Cold Drawn, Forged, Machined |
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Element |
C (max) |
Cr |
Ni |
Mn |
Si |
P |
S |
Fe (balance) |
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Value |
0.08 |
24 – 26 |
19 – 22 |
≤2.0 |
≤1.5 |
≤0.045 |
≤0.030 |
Balance |
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Features
Suitable for high-temperature applications
The Cr 24–26% and Ni 19–22% composition system forms an oxide film at high temperatures to slow down the oxidation process, making it suitable for furnace or heat-treated components.
Suitable for machining
With a hardness ≤217 HB, and supplied as bar stock, it can be machined by turning, milling, etc., for manufacturing shafts or heat-resistant parts.
Multiple processing options
It can be produced by hot rolling, cold drawing, forging, or machining, with diameters of 6–500 mm and lengths of 1–6 m available to suit different machining allowances and application requirements.
Applications
Heat treatment equipment industry
Used in furnace rollers, furnace supports, and heating zone structural components, providing support and positioning under high-temperature conditions.
01
Petrochemical and Energy Industry
Applied to high-temperature pipe connections and heat-resistant structural components, used in high-temperature gas or medium environments.
02
Industrial Furnace Manufacturing Industry
Used in furnace components and load-bearing parts, serving as structural materials under continuous heating conditions.
03
Machining Industry
Used in the manufacture of heat-resistant shafts, connectors, and supports, used in operating conditions involving temperature variations.
04
Power Equipment Industry
Used in boilers and high-temperature auxiliary structural components, providing structural and connection functions in thermal environments.
05
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FAQ
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