Seamless Precision steel tubes

Seamless Precision Steel Tubes according to EN 10305-1

Standard: DIN2391 part 2 , DIN EN10305-1, DIN17175 etc;

Material: ST35,ST45,ST52.

Manufacturing method: cold-rolled / cold-drawn

Delivery condition: BK,BKS,SR,GBK,NBK.



Factory Certification: 2.2 according to EN

Acceptance Test Certificate:3.1 according to EN 10204

in bundles tied with steel strips. External packing by wooden cases if the wall thickness/OD ratio is low.

Oil-coating is generally necessary especially for export.

Application: Used in hydraulic & pneumatic cylinder ,automobile and other mechanical device .Feature: high precision and high brightness, the inner and outer surface of the tubes have high cleanness without oxid, mechanical properties of the final tubes also come out excellent, promising no leakage under high pressure, no deformation after cold-bent and no cracks when flaring and flattening, ensuring the efficient operation in all service.

NBK means protective heat-treating under the non-oxidation enviroment to get a bright and smooth surface for the tubes.

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Seamless Precision steel tubes, Cold drawn tube, Double tubes, ASTM A519-89/ASME SA519 SEAMLESS CARBON AND ALLOY STEEL MECHANICAL TUBING

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Company Name:  Sunny  Steel Enterprise Ltd.
Contact Person:  Sum Xu
Address:  No. 273, Siping Road, Shanghai, 200081, China
Zip:  200081
Telephone:  0086-21-33780199
Fax:  0086-21-61851035
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