Manganese Chromium Steels for Machine Structural use GB GB-20CrMnSi

GB-20CrMnSi Steel Information Provided by JFS Steel / Precision steel bar, steel plate, steel tube and professional steel-related services supplier

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JFS Steel's Special Steel Material and Machining Services

Ju Feng Special Steel Co., Ltd. is an industrial steel materials, steel parts and steel machining services supplier from Taiwan. Along with steel bars, steel plates and steel tubes supply, steel cutting, drilling, machining and heat treatment services are also provided.

JFS Steel has been offering customers special steel materials such as GB-20CrMnSi Manganese Chromium Steels for Machine Structural use and precision steel machining services since 2006. With both highly skilled technology and 47 years of experience, JFS Steel always makes sure to meet each customer's demands.


C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Yield stress (Mpa)Tensile stress (Mpa)Elongation (%)
C(%)(%) 0.17-0.23 Si(%)(%) 0.9-1.2 Mn(%)(%) 0.8-1.1 P(%)(%) ≦0.035 S(%)(%) ≦0.035 Cr(%)(%) 0.8-1.1 Yield stress (Mpa)(%) ≧635 Tensile stress (Mpa)(%) ≧785 Elongation (%)(%) ≧12


  • Manganese Chromium Steels for Machine Structural use

Country Code

  • GB


  • 3077

Steel Type

  • 20CrMnSi

Relate Steel Type

Steel TypeStandardCountry CodeC(%)Si(%)Mn(%)P(%)S(%)Cr(%)Yield stress (Mpa)Tensile stress (Mpa)Elongation (%)More
3077 GB 0.17-0.23 0.9-1.2 0.8-1.1 ≦0.035 ≦0.035 0.8-1.1 ≧635 ≧785 ≧12 More