首页 > 产品 > 建筑材料,钢筋 > Alloy structural steel 分享 × ✓ 添加到报价中 合金结构钢 索取报价 请输入所需数量,并将其添加到报价单中以查询价格。. 数量: 立即咨询 描述 描述 Steel grades: 20Cr, 40Cr, 20CrMo, 35CrMo, 42CrMo Specifications: 12mm-300mm Implementation standard: GB/T3077-2015 质量等级:国家标准 Application: Steel used for mechanical parts and various engineering components and containing one or several alloying elements