321S51 490

321S51 490化学成分 - BS 1502

C	Si	Mn	P	S	Cr	Mo	Ni	Ti
0.04-0.10	≤1.00	≤2.00	≤0.045	≤0.025	17.00-19.00	≤ ≥	9.00-12.00	≤0.80

---

321S51 490标准规范

• BS 1502 - Specification for steels for fired and unfired pressure vessels: sections and bars
• BS 1503 - Specification for steel forgings for pressure purposes
• BS 1506 - Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications

---

321S51 490机械性能

Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications

---

321S51 490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

---