碳钢无缝管
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"-28,13.7-7112mm
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/LSt35.8-St45.8/l合金结构钢15Mo3.13CrMo44.10CrMo910.规格:1/4"-28"13.7-711.2mm