A691/A691M

A691/A691M (高温高压用电熔焊碳素钢和合金钢管的标准规范)· ASTM (美国) · 14 种材料

名称	材料组别
A 691 Grade 1 1/4 CR	结构钢	chevron_right
A 691 Grade 1 CR	结构钢	chevron_right
A 691 Grade 1/2 CR	结构钢	chevron_right
A 691 Grade 2 1/4 CR	结构钢	chevron_right
A 691 Grade 3 CR	结构钢	chevron_right
A 691 Grade 5 CR	结构钢	chevron_right
A 691 Grade 91	结构钢	chevron_right
A 691 Grade 9CR	结构钢	chevron_right
A 691 Grade CM-65	结构钢	chevron_right
A 691 Grade CM-70	结构钢	chevron_right
A 691 Grade CM-75	结构钢	chevron_right
A 691 Grade CMS-75	结构钢	chevron_right
A 691 Grade CMSH-70	结构钢	chevron_right
A 691 Grade CMSH-80	结构钢	chevron_right