Ju Feng - Professional Steel Supplier & Service Integration.

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JFS Steel's Speicial 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-20 Carbon 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.

GB-20

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Cu(%)
C(%)(%) 0.17-0.24 Si(%)(%) 0.17-0.37 Mn(%)(%) 0.35-0.65 P(%)(%) ≦0.035 S(%)(%) ≦0.035 Cr(%)(%) ≦0.25 Ni(%)(%) ≦0.25 Cu(%)(%) ≦0.25
  • Carbon Steels for Machine Structural use

Country Code

  • GB

Standard

  • 699

Steel Type

  • 20

Relate Steel Type

Steel TypeStandardCountry CodeC(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Cu(%)More
C20
17200 DIN 0.17-0.23 0.15-0.35 0.3-0.6 ≦0.045 ≦0.045 More
Ck20
17200 DIN 0.17-0.23 0.15-0.35 0.3-0.6 ≦0.035 ≦0.035 More
S20C
G4051 JIS 0.18-0.23 0.15-0.35 0.3-0.6 ≦0.03 ≦0.035 ≦0.2 ≦0.2 ≦0.3 More
1020
- AISI 0.18-0.23 0.3-0.6 ≦0.04 ≦0.05 More
S20C
3828 CNS 0.18-0.23 0.15-0.35 0.3-0.6 ≦0.035 ≦0.035 ≦0.2 ≦0.2 ≦0.3 More
20
699 GB 0.17-0.24 0.17-0.37 0.35-0.65 ≦0.035 ≦0.035 ≦0.25 ≦0.25 ≦0.25 More