AS-NZS 3678-2011為澳洲低合金鋼板標準,其標準下有7個質量等級標準,分別是:AS3675-200;AS3675-250;AS3675-300;AS3675-350;AS3675-400;AS3675-450;AS3675-WR350,其化學成分如下表所示:
質量等級 化學元素含量(%)
C Si Mn P S Cr Ni Cu Mo AL Ti
200 ≤0.15 ≤0.35 0.60~1.70 ≤0.30 ≤0.30 ≤0.25 ≤0.50 ≤0.40 ≤0.10 ≤0.100 ≤0.040
250 ≤0.22 ≤0.55 0.70~1.70 ≤0.40 ≤0.30 ≤0.25 ≤0.50 ≤0.40 ≤0.10 ≤0.100 ≤0.040
300 ≤0.22 ≤0.55 0.70~1.70 ≤0.40 ≤0.30 ≤0.25 ≤0.50 ≤0.40 ≤0.10 ≤0.100 ≤0.040
350 ≤0.22 ≤0.55 0.70~1.70 ≤0.40 ≤0.30 ≤0.25 ≤0.50 ≤0.40 ≤0.35 ≤0.100 ≤0.040
400 ≤0.22 ≤0.55 0.70~1.70 ≤0.40 ≤0.30 ≤0.25 ≤0.50 ≤0.40 ≤0.35 ≤0.100 ≤0.040
450 ≤0.22 ≤0.55 0.80~1.70 ≤0.40 ≤0.30 ≤0.25 ≤0.50 ≤0.60 ≤0.35 ≤0.100 ≤0.040
WR350 ≤0.14 ≤0.15 0.75~1.70 ≤0.160 ≤0.30 0.35~1.05 ≤0.55 0.15~0.50 ≤0.10 ≤0.100 ≤0.040
其力學性能如下表所示:
質量等級 屈服強度 抗拉強度 伸長率
厚度(mm)
≤8 >8≤12 >12≤20 >20≤32 >32≤50 >50≤80 >80≤150 300 24
200 200 200 - - - - - 300 24
250 280 260 250 250 250 240 230 410 22
21300 320 310 300 280 280 270 260 430 21
350 360 360 350 340 340 340 330 450 20
400 400 380 360 360 360 360 480 18
450 450 450 420 400 - - 520
500 16
18
WR350 340 340 340 340 - - 450 2 |
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