ASTM A311 1144相当于国标什么材料?如题,请问ASTM A311 1144 CLASS B(UNS G11440)相当于国标什么材料? 材料成分:C:0.40~0.48%,Mn:1.35~1.65 %,P:≤0.04%,S: 0.24~0.33%.
问题描述:
ASTM A311 1144相当于国标什么材料?
如题,请问ASTM A311 1144 CLASS B(UNS G11440)相当于国标什么材料? 材料成分:C:0.40~0.48%,Mn:1.35~1.65 %,P:≤0.04%,S: 0.24~0.33%.
答
电炉生产牌号为SUM43的易切削钢,其化学成份为:C:0.40~0.48% Mn:1.35~1.65% P:≤0.040%S:0.24~0.33% Si:≤0.35%