GB/T 22395

GB/T 22395 (Specification for design of boiler steel structures)· GB (中国) · 12 种材料

名称 材料组别
Q235A 结构钢 chevron_right
Q235B 结构钢 chevron_right
Q235C 结构钢 chevron_right
Q235D 结构钢 chevron_right
Q355B 结构钢 chevron_right
Q355C 结构钢 chevron_right
Q355D 结构钢 chevron_right
Q390B 结构钢 chevron_right
Q390C 结构钢 chevron_right
Q390D 结构钢 chevron_right
Q420B 结构钢 chevron_right
Q420C 结构钢 chevron_right