NF EN ISO 11961

NF EN ISO 11961 (石油和天然气工业 - 钢制钻杆)· AFNOR NF (法国) · 16 种材料

名称	材料组别
Grade E75	结构钢	chevron_right
Grade G105	结构钢	chevron_right
Grade S135	结构钢	chevron_right
Grade X95	结构钢	chevron_right
ISO 11961 Grade D	结构钢	chevron_right
ISO 11961 Grade E	结构钢	chevron_right
ISO 11961 Grade F	结构钢	chevron_right
ISO 11961 Grade G	结构钢	chevron_right
ISO 11961 Grade S	结构钢	chevron_right
ISO 11961 Grade X	结构钢	chevron_right
ISO 11961 Tool joint Grade D	结构钢	chevron_right
ISO 11961 Tool joint Grade E	结构钢	chevron_right
ISO 11961 Tool joint Grade F	结构钢	chevron_right
ISO 11961 Tool joint Grade G	结构钢	chevron_right
ISO 11961 Tool joint Grade S	结构钢	chevron_right
ISO 11961 Tool joint Grade X	结构钢	chevron_right