JIS-SNB21-4 | Made in Taiwan Steel Round Bars & Steel Tubes Manufacturer | JFS Steel

JIS-SNB21-4 | Precision steel bar, steel plate, steel tube and professional steel-related services supplier | JFS Steel

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JIS-SNB21-4 | Made in Taiwan Steel Round Bars & Steel Tubes Manufacturer | JFS Steel

Located in Taiwan since 2006, Ju Feng Special Steel Co., Ltd. has been a metal bars and steel tubes manufacturer. Their main steel products, include steel bars, steel plates and steel tubes, as well as CNC steel cutting, drilling, machining and heat treatment services.

Ju Feng Special Steel Co., Ltd. (JFS) was originally founded as a construction company 47 years ago, and since 2006 JFS has successfully expanded into the Special Steel Industry, becoming the leading supplier in Taiwan of various kinds of special steel bars, steel plates, and steel tubes as wholesaler or retailer. In recent years, Ju Feng can provide not only material cutting services but also CNC machining services (a complete machining process from raw material to semi-finished or finished product) for our customers around the world. With more than 47 years successfully expanded into the Special Steel Industry which a leading supplier of special steel material in Taiwan.

JFS Steel has been offering customers stainless steel bars and tubes, and precision steel machining services since 2006, both with advanced technology and 47 years of experience, JFS Steel ensures each customer's demands are met.

JIS-SNB21-4

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%) Thick (mm) Yield stress (Mpa) Tensile stress (Mpa) Elongation (%)
C(%)(%) 0.36-0.44 Si(%)(%) 0.20-0.35 Mn(%)(%) 0.45-0.70 P(%)(%) ≦0.025 S(%)(%) ≦0.025 Cr(%)(%) 0.80-1.15 Mo(%)(%) 0.50-0.65 V(%)(%) 0.25-0.35 Thick (mm)(%) ≦75 Yield stress (Mpa)(%) ≧825 Tensile stress (Mpa)(%) ≧930 Elongation (%)(%) ≧13

Applications

  • Alloy Steel Bars for Special Application Bolting Materials

Country Code

  • JIS

Standard

  • G4108

Steel Type

  • SNB21-4

Relate Steel Type

Steel Type Standard Country Code More
SNB21-4
 G4108 JIS More
Gr.B21-4
 A540 ASTM More
40CrMoV4-7
 17240 DIN More