1. Seamless precision steel tube2. Standrad&material: ASTM A519 SAE1010, SAE1020, SAE1035, SAE1045, SAE4130, SAE4140, DIN2391 ST35, ST45, ST52, EN10305-1 E215, E235, E355, 25CrMo4, 42CrMo4, and equivalent standard&material.3. Size range: OD: 6mm-133mm Wall Thickness: 0...
Products: precision tube bending,
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