Product classification
JIS G3445 Japanese Standard STKM11A
Usage:Suitable for carbon steel pipes used in machinery, automobiles, bicycles, furniture, appliances, and other mechanical parts
- 产品描述
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Usage:Suitable for carbon steel pipes used in machinery, automobiles, bicycles, furniture, appliances, and other mechanical parts
Standard:
JIS G3445Usage:
Suitable for carbon steel pipes used in machinery, automobiles, bicycles, furniture, appliances, and other mechanical partsMain steel pipe grades produced:
STKM11A, STKM12 (A, B, C), STKM13 (A, B, C), STKM14 (A, B, C)Chemical composition:
Standard Steel Grade Chemical Composition(%) C Si Mn P S JIS G3445 STKM11A ≤0.12 ≤0.35 ≤0.60 ≤0.040 ≤0.040 STKM12A ≤0.20 ≤0.35 ≤0.60 ≤0.040 ≤0.040 STKM12B STKM12C STKM13A ≤0.25 ≤0.35 0.30-0.90 ≤0.040 ≤0.040 STKM13B STKM13C STKM14A ≤0.30 ≤0.35 0.30-1.00 ≤0.040 ≤0.040 STKM14B STKM14C Mechanical performance:
Standard Steel Grade Mechanical properties Tensile Strength（Mpa） Yield Strength(Mpa) Elongation（%） JIS G3445 STKM11A ≥295 \ ≥35 STKM12A ≥345 ≥175 ≥35 STKM12B ≥390 ≥275 ≥25 STKM12C ≥470 ≥355 ≥20 STKM13A ≥375 ≥215 ≥30 STKM13B ≥440 ≥305 ≥20 STKM13C ≥510 ≥380 ≥15 STKM14A ≥410 ≥245 ≥25 STKM14B ≥500 ≥355 ≥15 STKM14C ≥550 ≥410 ≥15 Remarks：
HR：hot rolled CW：cold worked SR：stress relieved A：annealed N：normalized HF：hot rolling
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Main business: American standard oil casing, pipeline pipe, Cangzhou oil casing, API oil casing, Hebei oil casing, polyurethane insulation pipe, galvanized wire steel pipe, 3PE anti-corrosion steel pipe, thickened oil pipe, large diameter oil casing, oil casing factory, insulation pipe, oil casing, anti-corrosion steel pipe, etc.
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