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Automotive Structrual Steel
QSTE340TM/S355MC, QSTE380TM, QSTE420TM/S420MC, QSTE460TM/S460MC, QSTE500TM/S500MC, QSTE550TM/S550MC,
QSTE600TM/S600MC, QSTE650TM/S650MC, QSTE700TM/S700MC
- Commodity name： Automotive Structrual Steel
Detailed
- Product Description
-
Delivery Standard:
Grade and Strength
High Strength Structural Steel
Strength level (Yield strength, Mpa) Q/OHAC 811 SEW092 DIN EN 10149.2 Main grades Main grades Main grades 355 QSTE340TM/S355MC QSTE340TM S355MC 380 QSTE380TM QSTE380TM 420 QSTE420TM/S420MC QSTE420TM S420MC 460 QSTE460TM/S460MC QSTE460TM S460MC 500 QSTE500TM/S500MC QSTE500TM S500MC 550 QSTE550TM/S550MC QSTE550TM S550MC 600 QSTE600TM/S600MC QSTE600TM S600MC 650 QSTE650TM/S650MC QSTE650TM S650MC 700 QSTE700TM/S700MC QSTE700TM S700MC Mechanical Property
Yield strength level, MPa Yield strength Tensile strength Elongation after fracture Cold bending test Rel, MPa Rm, MPa A80mm(%)
(h＜3.0mm)
A%
(h≥3.0mm)
180°, b=35mm QSTE340TM ≥340 420–540 ≥20 ≥25 d = 0.5a, Qualified S355MC ≥355 430–550 ≥20 ≥25 d = 0.5a, Qualified QSTE380TM ≥380 450–590 ≥20 ≥25 d = 0.5a, Qualified QSTE420TM/S420MC ≥420 480–620 ≥18 ≥21 d = 0.5a, Qualified QSTE460TM/S460MC ≥460 520–670 ≥15 ≥ 19 d = a, Qualified QSTE500TM/S500MC ≥500 550–700 ≥13 ≥ 17 d = a, Qualified QSTE550TM/S550MC ≥550 600–760 ≥12 ≥ 15 d = 1.5a, Qualified QSTE600TM/S600MC ≥600 650–820 ≥11 ≥ 13 d = 1.5a, Qualified QSTE650TM/S650MC ≥650 700–880 ≥10 ≥ 12 d=2a, Qualified QSTE700TM/S700MC ≥700 750–950 ≥10 ≥ 12 d=2a, Qualified Remark: 1）a refers to thickness of the sample, b refers to width of the cold bending sample, d refers to bending diameter. 2）The direction of the tensile test sample is longitudinal, i.e. P14 sample in GB/T 228.1 when h＜3.0 mm . P10 sample in GB/T 228. 1 when h≥3.0 mm. The direction of cold bending is transverse, i.e. GB/T 232 flap type test. 3）The yield strength can be reduced by 20MPa for thickness more than 8mm.
Keywords:
Hot-rolled, cold-rolled, hot-dip galvanized, silicon steel, steel pipes, steel structures
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