JIS SCM430 Seamless Mechanical Tubing Plain End For Bicycle Motorcycle Frame
TORICH ASTM A519 JIS SCM430 DIN 30GrMo4 SAE4130 Chrome Moli Alloy Round Seamless AISI4130 Steel Tube For Bicycle Motorcycle Frame
1. Grade: JIS SCM430, DIN 30GrMo4, SAE4130/ AISI4130
2. Size: O.D.:6-350mm W.T.:1-35mm L:max12000mm
3. Standard: ASTM A519
4. Certification: ISO9001,TS16949
5. Applications: for Auto industry/for machinery use/Motorcycle frame
6. Chemical Composition and Mechanical Property:
| Chemical Composition(%) | Mechanical Property | |||||||||
| C | Si | Mn | S | P | Cr | Ni | Cu | Mo | Yield Strength | Tensile Strength |
| ( σs ) | ( σb ) | |||||||||
| 0.28~0.33 | 0.15~0.30 | 0.40~0.60 | ≤0.04 | ≤0.035 | ≤0.15 | 0.80~1.10 | / | 0.15~0.25 | ≥785(80) (MPa) | ≥930(95) |
| (MPa) | ||||||||||
7. Delivery Conditions
1) BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing)
2) BKS (+SR) After the final cold forming process the tubes are stress relieve annealed.
3) GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere.
4) NBK (+N) After the final cold forming process the tubes are annealed above the upper transformation point in acontrolled atmosphere.
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