1.一般用途无缝钢管ASTM A53/A106 GR.B,,规格:1/4″-28″,13.7-711.2mm
2.管线管API SPEC 5L,钢号:B、X42、X46、X52,规格:1/4″-28″,13.7-711.2mm
3.ASTM A106/A53/API 5L GR.B,钢号: B,规格:1/4″-28″,13.7-711.2mm
4.热交换器和
冷凝器用无缝低
碳钢管ASTM A179,规格:3/4″、1″
锅炉管 href="http://baike.baidu.com/picture/2313743/2313743/2885735/0df3d7ca7bcb0a46cc34bbd86b63f6246b60af38.html?fr=lemma&ct=cover" target=_blank nslog-type="10000206">
20G高压锅炉管 (2张)
5.-40℃-101℃
低温作业用无缝钢管ASTM A333,规格:1/4″-28″,13.7-711.2mm
6.德标DIN2448/1629无缝钢管,钢号:
St37,St44,St52,规格:1/4″-28″,13.7-711.2mm
7.
耐热钢无缝钢管(热强管)DIN17175-1979,钢号:
碳素结构钢St35.8-St45.8/I,St35.8-St45.8/III, 合金结构钢15Mo3,13CrMo44,
10CrMo910,规格:1/4″-28″,13.7-711.2mm