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MATERIAL LIBRARY

Stainless steels materials

Compare corrosion, magnetism and processing

Browse 18 stainless steels materials. Compare reference properties, product condition and processing notes, then open the interactive material library.

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How to use these reference values

These are the same editorial reference ranges used by the material library, not certified product values. Match product form, temper, thickness, temperature and test direction. Do not enter a tensile-strength range directly as an allowable stress. Use an applicable qualified material condition in the calculator and choose a safety factor for the design criteria.

Stainless steels 18 materials

SCS2A

Martensitic stainless casting grade specified with quenching and tempering conditions.

Selected major-element mass-percent bands from published investment-casting references, independently organised; not a full composition table, strength input or certification to all current JIS/order conditions.

Reference conditions and processing

Investment casting (lost wax) / Secondary machining of specified faces and holes

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SCS13

Austenitic stainless casting grade; related to the SUS304 family but specified as cast steel.

Selected major-element mass-percent bands from published investment-casting references, independently organised; not a full composition table, strength input or certification to all current JIS/order conditions.

Reference conditions and processing

Investment casting (lost wax) / Secondary machining of specified faces and holes

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SCS14

Mo-containing austenitic stainless casting grade selected for the actual corrosion environment.

Selected major-element mass-percent bands from published investment-casting references, independently organised; not a full composition table, strength input or certification to all current JIS/order conditions.

Reference conditions and processing

Investment casting (lost wax) / Secondary machining of specified faces and holes

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SCS24

Precipitation-hardening stainless casting grade; solution and ageing conditions determine strength.

Selected major-element mass-percent bands from published investment-casting references, independently organised; not a full composition table, strength input or certification to all current JIS/order conditions.

Reference conditions and processing

Investment casting (lost wax) / Secondary machining of specified faces and holes

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SUS301

冷間加工で高いばね強度を得やすく、薄板ばね、クリップ、端子に使います。加工度、曲げ方向、スプリングバックを指定します。

純度、調質、製品形状、加工率、温度で特性が変わるため、採用品の証明書とデータシートを確認

密度: 7.9–8 g/cm³ · 縦弾性係数: 185–200 GPa

Reference conditions and processing

密度:室温の代表範囲。成分と温度で変化

縦弾性係数:室温の代表範囲。方向と温度で変化

打抜き・曲げ:調質と曲げ方向を管理 / スポット溶接:可能 / 切削:加工硬化に注意 / 不動態化・電解研磨

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SUS303

More machinable than SUS304, with relatively lower corrosion resistance and weldability.

Reference for machined stock; note cold-work condition

Density: 7.93 g/cm³ · Young's modulus: 190–200 GPa

Reference conditions and processing

Density:Reference

Young's modulus:Typical room-temperature range for austenitic stainless steel

Machining / Bending / sheet-metal work / TIG / laser welding / Laser / shearing

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SUS304

Widely used stainless with balanced corrosion resistance, formability and availability.

Published typical properties; vary with cold work and temperature

Density: 7.93 g/cm³ · Young's modulus: 193 GPa

Reference conditions and processing

Density:Published typical

Young's modulus:Published typical

Machining / Bending / sheet-metal work / TIG / laser welding / Laser / shearing

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SUS304L

SUS304を低炭素化して溶接熱影響部の鋭敏化を抑えた材料で、溶接タンクや配管に使います。

Reference range; verify the product standard, condition, grade and maker datasheet.

Density: 7.9–8 g/cm³ · Tensile strength: 480–620 MPa · 0.2% proof stress: 175–260 MPa · Young's modulus: 190–200 GPa

Reference conditions and processing

Density:Typical range

Tensile strength:Reference range for solution-treated product forms

0.2% proof stress:Varies by product form and thickness

Young's modulus:Typical range near room temperature

Machining / Bending / sheet-metal work / TIG / laser welding / Laser / shearing

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SUS310S

高Cr・Niで耐熱性に優れ、炉部品や高温治具に使います。

Reference range; verify the product standard, condition, grade and maker datasheet.

Density: 7.9–8 g/cm³ · Tensile strength: 520–750 MPa · 0.2% proof stress: 205–300 MPa · Young's modulus: 190–200 GPa

Reference conditions and processing

Density:Typical range

Tensile strength:Reference range across solution-treated and worked conditions

0.2% proof stress:Varies by thickness and product condition

Young's modulus:Typical range near room temperature

Machining / Bending / sheet-metal work / TIG / laser welding / Laser / shearing

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SUS316

Mo添加によりSUS304より孔食・すきま腐食への抵抗を高め、薬液・沿岸・食品装置に使います。

Reference range; verify the product standard, condition, grade and maker datasheet.

Density: 7.95–8.05 g/cm³ · Tensile strength: 520–700 MPa · 0.2% proof stress: 205–300 MPa · Young's modulus: 190–200 GPa

Reference conditions and processing

Density:Typical range

Tensile strength:Reference range for solution-treated product forms

0.2% proof stress:Varies by product form and thickness

Young's modulus:Typical range near room temperature

Machining / Bending / sheet-metal work / TIG / laser welding / Laser / shearing

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SUS316L

Mo improves corrosion resistance over SUS304; low carbon limits weld sensitisation.

Verify by product form, heat treatment and environment

Density: 7.98 g/cm³ · Tensile strength: 480–620 MPa · Young's modulus: 190–200 GPa

Reference conditions and processing

Density:Reference

Tensile strength:General reference range for solution-treated material

Young's modulus:Typical room-temperature range for austenitic stainless steel

Machining / Bending / sheet-metal work / TIG / laser welding / Laser / shearing

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SUS321

Tiで炭化物を安定化し、溶接や高温履歴での粒界腐食を抑えます。高温配管、排気、熱交換部品に使います。

純度、調質、製品形状、加工率、温度で特性が変わるため、採用品の証明書とデータシートを確認

密度: 7.9–8 g/cm³ · 縦弾性係数: 190–200 GPa

Reference conditions and processing

密度:室温の代表範囲。成分と温度で変化

縦弾性係数:室温の代表範囲。方向と温度で変化

切削:加工硬化に注意 / 曲げ・絞り:可能 / TIG溶接:適合溶加材と清浄度を管理 / 酸洗・不動態化

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SUS329J4L

オーステナイト相とフェライト相を持ち、高強度と耐孔食性を生かして海水・薬液・圧力機器に使います。

Reference range; verify the product standard, condition, grade and maker datasheet.

Density: 7.7–7.9 g/cm³ · Tensile strength: 620–850 MPa · 0.2% proof stress: 450–650 MPa · Young's modulus: 195–205 GPa

Reference conditions and processing

Density:Typical range

Tensile strength:Reference range for solution-treated product forms

0.2% proof stress:Varies by product form and thermal history

Young's modulus:Typical range near room temperature

Machining / Bending / sheet-metal work / TIG / laser welding / Laser / shearing

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SUS410

焼入れ可能な13Cr系で、強度・耐摩耗と中程度の耐食性を組み合わせます。軸、バルブ、刃物、機械部品に使います。

純度、調質、製品形状、加工率、温度で特性が変わるため、採用品の証明書とデータシートを確認

密度: 7.7–7.8 g/cm³ · 縦弾性係数: 195–205 GPa

Reference conditions and processing

密度:室温の代表範囲。成分と温度で変化

縦弾性係数:室温の代表範囲。方向と温度で変化

切削:焼なまし状態で行う / 研削:焼けと割れを管理 / 溶接:予熱・後熱を検討 / 焼入れ・焼戻し

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SUS420J2

焼入れで高硬度が得られ、シャフト、刃物、金型部品に使います。

Reference range; verify the product standard, condition, grade and maker datasheet.

Density: 7.7–7.8 g/cm³ · Tensile strength: 650–850 MPa · Young's modulus: 195–205 GPa

Reference conditions and processing

Density:Typical range

Tensile strength:Reference range across annealed and treated conditions

Young's modulus:Typical range

Machining / Bending / sheet-metal work / TIG / laser welding / Laser / shearing

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SUS430

Magnetic general-purpose ferritic grade with little nickel; check corrosion by environment.

Verify by product form and finish

Density: 7.7 g/cm³ · Young's modulus: 195–205 GPa

Reference conditions and processing

Density:Reference

Young's modulus:Typical room-temperature range for ferritic stainless steel

Machining / Bending / sheet-metal work / TIG / laser welding / Laser / shearing

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SUS440C

ステンレスの中でも高硬度で、軸受、刃物、精密部品に使います。

Reference range; verify the product standard, condition, grade and maker datasheet.

Density: 7.6–7.7 g/cm³ · Tensile strength: 760–2000 MPa · Young's modulus: 195–205 GPa

Reference conditions and processing

Density:Typical range

Tensile strength:Very broad range from annealed to hardened and tempered material

Young's modulus:Typical range

Machining / Bending / sheet-metal work / TIG / laser welding / Laser / shearing

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SUS630

耐食性と高強度を両立し、軸、バルブ、航空・装置部品に使います。

Reference range; verify the product standard, condition, grade and maker datasheet.

Density: 7.7–7.9 g/cm³ · Tensile strength: 930–1310 MPa · 0.2% proof stress: 725–1175 MPa · Young's modulus: 190–200 GPa

Reference conditions and processing

Density:Typical range

Tensile strength:Reference range across H900–H1150-class conditions

0.2% proof stress:Strongly dependent on ageing condition

Young's modulus:Typical range

Machining / Bending / sheet-metal work / TIG / laser welding / Laser / shearing

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