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#4140 High Tensile Steel Hollow Bar#4140 Ht Seamless Steel Tube#4140 Steel Tube Properties
qt seamless steel pipe
Heat treated steel tube we produce are round steel tubing such as annealed tubing, normalized tubing and quenched & tempered steel tubing.
Specification of steel tube we supply:
Sizes：OD range from 20mm to 100mm, Thickess: from 4mm to 20mm
Tolerances：Precision to h9, h10, h11 or even small to 0.02mm
Roundness：75% of diameter tolerance
Straightness：Good straightness to 0.5mm/m
Surface roughness：Smooth to 0.8um
Mechanical properties：Yield strength and tensile strength can be improved
Machining：Suitable for machining and welding
2 years ago
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Seamless Square Steel Pipe Rectangular Steel Tube
LIAOCHENG CHANGYI METAL MATERIAL CO., LTD.
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