AS-NZS 3678-2011为澳洲低合金钢板标准,其标准下有7个质量等级标准,分别是:AS3675-200;AS3675-250;AS3675-300;AS3675-350;AS3675-400;AS3675-450;AS3675-WR350,其化学成分如下表所示:

质量等级 化学元素含量(%)
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

其力学性能如下表所示:

质量等级 屈服强度 抗拉强度 伸长率
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 20