11Smn37易切削钢,11Smn37易切削钢棒,11Smn37易切削钢长条,11Smn37易切削钢化学成分,11Smn37易切削钢性能,11Smn37易切削钢用途,11Smn37易切削钢规格,A30是什么材料,A30材质证明,11Smn37易切削钢密度,11Smn37易切削钢材料,11Smn37易切削钢圆棒,11Smn37易切削钢硬度,11Smn37易切削钢批发,11Smn37易切削钢价格
11Smn37易切削钢介绍:11Smn37化学成份:碳 C :≤0.14硅 Si:≤0.05锰 Mn:0.90~1.30硫 S :0.27~0.33磷 Pmax :0.1111Smn37力学性能:抗拉强度 σb (MPa):(热轧)390~540; (冷拉)钢材厚度或直径 8~20时:530~755; >20~30时:510~735; >30时:490~685伸长率 δ5 (%):(热轧)≥22;(冷轧)≥7.0断面收缩率 ψ (%):(热轧)≥36硬度 :(热轧)≤170HB;(冷拉)152~217HB11Smn37热处理规范及金相组织:11Smn37交货状态:以热轧或冷拉状态交货,交货状态应在合同中注明。