1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or Cold Rolling, On line inspection
5. Cold worked / Heat treatment
6. Straightening/Cutting to specified length/Finished Measuring Inspection
7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.
Carbon Steel Seamless Round Steel Tube
E235, E255, E355
+C, +LC, +SR, +A, +N
EN10305-1, DIN2391, JIS G3445, ASTM A519, etc
OD: 6-152.4mm, WT: 1-25mm
precision purpose, mechanical tubing
Bao Steel, Xingcheng Steel, Zhongtian Steel, Huai Steel