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NFEN 10137-2(3)

牌號化學成分(質量分數)/%
C≤Si≤Mn≤P≤S≤Cr≤Mo≤Ni≤其他
S460Q0.200.801.700.0250.0151.500.702.00各牌號:B≤0.0050;
Cu≤0.50;
Nb≤0.06;Ti 0.05;
V≤0.12
S460QL0.200.801.700.0200.0101.500.702.00
S460QL10.200.801.700.0200.0101.500.702.00
S500Q0.200.801.700.0250.0151.500.702.00
S500QL0.200.801.700.0200.0101.500.702.00
S500QLl0.200.801.700.0200.0101.500.702.00
S550Q0.200.801.700.0250.0151.500.702.00
S550QL0.200.801.700.0200.0101.500.702.00
S550QL10.200.801.700.0200.0101.500.702.00
S620Q0.200.801.700.0250.0151.500.702.00
S620QL0.200.801.700.0200.0101.500.702.00
S620QL10.200.801.700.0200.0101.500.702.00
S690Q0.200.801.700.0250.0151.500.702.00
S690QL0.200.801.700.0200.0101.500.702.00
S6900L10.200.801.700.0200.0101.500.702.00
S890Q0.200.801.700.0250.0151.500.702.00
S890QL0.200.801.700.0200.0101.500.702.00
S890QL10.200.801.700.0200.0101.500.702.00
S960Q0.200.801.700.0250.0151.500.702.00
S960QL0.200.801.700.0200.0101.500.702.00
S500A0.03~0.120.500.30~0.800.0250.0150.300.502.00各牌號:Al≤0.080;
Cu≤2.00;Nb≤0.060
;Ti≤0.10;V≤0.10
S500AL0.03~0.120.500.30~0.800.0200.0100.300.502.00
S550A0.03~0.120.500.30~0.800.0250.0150.300.502.00
S550AL0.03~0.120.500.30~0.800.0200.0100.300.502.00
S600A0.03~0.120.500.30~0.800.0250.0150.300.502.00
S600AL0.03~0.120.500.30~0.800.0200.0100.300.502.00
S690A0.03~0.120.500.30~0.800.0250.0150.300.502.00
S690AL0.03~0.120.500.30~0.800.0200.0100.300.502.00

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