冷拔精密无缝钢管

Steel Grade（钢级）: ST35(E235), ST45(E255), ST52(E355), SAE1010, SAE1020, SAE1035, SAE1045, 30CrMo, 42CrMo4, etc.
Standards（标准）: 欧标：EN10305-1, EN10305-4
                   美标： ASTM A519, J524, AMS-T-6736 
                   日标：JIS G3445, etc.
Size Range: OD（外径范围）: 4-80mm
            WT（壁厚范围）: 0.5-10mm
Annual output of precision cold-drawn tube（精密冷拔管年产量）: 13,000T/Year
Annual output of precision cold-rolled tube （精密冷轧管年产量）:  23,000T/Year