HR4

HR4化学成分 - BS 1449-1-1.2

C	Si	Mn	P	S	Cr	Ni	Mo	Co	Ti	Fe	Al	Cu	B	Bi	Pb	Ag	Zr
0.12-0.20	≤1.00	≤1.00	≤ ≥	≤0.015	14.00-16.00	≤Bal	3.00-5.00	13.00-15.50	3.50-4.50	≤1.00	4.50-5.50	≤0.20	0.0100-0.0250	≤0.0001	≤0.0015	≤0.0005	≤0.15

---

HR4标准规范

• BS 1449-1-1.2 - Steel plate, sheet and strip. Carbon and carbon-manganese plate, sheet and strip. Specification for hot rolled steel plate, sheet and wide strip based on formability

---

HR4机械性能

Steel plate, sheet and strip. Carbon and carbon-manganese plate, sheet and strip. Specification for hot rolled steel plate, sheet and wide strip based on formability

---

HR4产品形态

• 热轧和冷拉棒材, 圆棒, 扁钢, 六角棒, 八角棒, 空心棒
• 带钢和钢卷, 热轧带钢, 热轧钢卷, 冷轧钢带, 冷轧钢卷
• 冷轧板材, 热轧板, 冷轧薄板, 中厚板, 高强钢板
• 热轧和冷拉异型钢, 凹凸字钢, 滑轨, 滑块
• 热轧和冷拉钢丝, 扁丝, 盘条, 直条
• 自由锻和模锻, 扁钢, 模块, 环, 桶, 饼, 阶梯轴及定制化
• 热挤压和冷轧无缝管, 异型管, 方管, 毛细管
• 电渣锭

---