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Carbon and Alloy Steel Mechanical Tubing

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For engineering machinery structure, automobile, motorcycle, diesel engine fuel injection system and the other parts manufacturing.

Product Standard: GB/T8162 GB/T816, GB/T3093, ASTM A519, DIN2391, JIS G3445, JIS G3454 Main steel grades
GB/T8162: 35, 45, 16Mn, 12CrMo, 15CrMo, 20CrMo, 30CrMo, 35CrMo, 42CrMo, 50CrVA, 35CrMnSiA
GB/T8163: Q295, Q345;
GB/T3093: 20A
DIN2391: 1010/1020/1035/1045, st35, st45, st52
JIS3445: STKM 11A/B, STKM 13A/B, STKM, 15A/B
JIS3454: STPG370

StandardGrade                                                               Chemical Composition(%)
CSiMnPSCuNiMoCrV
GB/T8162100.07~0.140.17~0.370.35~0.65≤0.035≤0.035≤0.25≤0.25/≤0.15/
200.17~0.240.17~0.370.35~0.65≤0.035≤0.035≤0.25≤0.25/≤0.25/
350.32~0.400.17~0.370.50~0.80≤0.035≤0.035≤0.25≤0.25/≤0.25/
450.42~0.500.17~0.370.50~0.80≤0.035≤0.035≤0.25≤0.25/≤0.25/
Q3450.12~0.200.20~0.551.20~1.60≤0.035≤0.035≤0.25≤0.25/≤0.25/
15CrMo0.12~0.180.17~0.370.40~0.70≤0.035≤0.035≤0.25≤0.300.40~0.550.80~1.10/
12Cr1MoV0.08~0.150.17~0.370.40~0.70≤0.035≤0.035≤0.25≤0.300.25~0.350.90~1.200.15~0.30
StandardGradeTS(MPa)YS(MPa)Elongation(%)
GB/T816210≥335 ≥205≥24
20≥390≥245≥20
35≥510 ≥305≥17
45≥590≥335≥14
Q345≥490≥325≥21
15CrMo≥440≥295≥22
12Cr1MoV≥490≥245≥22
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