1.一般用途无缝管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管ASTM A179,规格:3/4″、1″
5.-40℃-101℃低温作业用无缝管ASTM A333,规格:1/4″-28″,13.7-711.2mm
6.德标DIN2448/1629无缝管,钢号:St37,St44,St52,规格:1/4″-28″,13.7-711.2mm
7.耐热钢无缝管(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
1.美标ERW高频焊管ASTM A106、A53,规格:1/2″-24″,21.3-609.6mm
2.英标ERW高频焊管BS1387,规格:1/2″-12″,21.3-323.8mm