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EN10305-4 Precision Steel Tube Seamless cold drawn tubes for hydraulic and pneumatic power systems​ Quick Detail: EN10305-4 Precision Steel Tube Seamless cold drawn tubes for hydraulic and pneumatic power systems​ Applications: for Auto industry/for machinery use/Oil Cylinder Tube/Motorcycle shock absorber Auto shock absorber inner cylinder/Telescopic Cylinders Size range: O.D.:6-420mm W.T.:1-50mm L:max12000mm Production: Cold Drawn + Cold Rolling Steel Grade and Chemical

Product Name: Small OD High Precision Seamless Cold Drawn Steel Pipe EN10305-1 / EN10305-4 Material: E235, E255, E355 Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m Delivery Condition: +C, +LC, +SR, +A, +N Application: For high precision purpose, auto industry, like manipulator, Shock Absorber, Transmission Shaft, Steering Gear, Car Frame, etc. Stable Quality with Comeptitive Price. +N(Bright Annealing) Heat Treatment, Surface is bright and smooth, without

Product Name: DIN2391 Cold Drawn Precision Seamless Steel Tube Material: ST35, ST45, ST52 Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m Delivery Condition: BK, BKW, BKS, GBK, NBK Application: For high precision purpose, auto industry, like manipulator, Shock Absorber, Transmission Shaft, Steering Gear, Car Frame, etc. Stable Quality with Comeptitive Price. NBK(Bright Annealing) Heat Treatment, Surface is clean and smooth, without oxide scale Good

Seamless Cold Drawn Precision Steel Tube 30X3mm DIN2391 ST52 BK Cold Finished Material: ST35, ST45, ST52 Size Range: OD: 6-88mm, WT: 1-20mm, Length: 5.8m/6m, maximal 11.8m Delivery Condition: BK, BKW, BKS, GBK, NBK Application: For high precision purpose, auto industry, like manipulator, Shock Absorber, Transmission Shaft, Steering Gear, Car Frame, etc. Cold drawning on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance 100% Eddy Current Testing. 100%

DIN2391 St35 BK Bright Drawn Hard Seamless Steel Tube Material: ST35, ST45, ST52 Size Range: OD: 6-156mm, WT: 1-30mm, Length: 5.8m/6m, maximal 11.8m Delivery Condition: BK, BKW, BKS, GBK, NBK Application: For high precision purpose, auto industry, like manipulator, Shock Absorber, Transmission Shaft, Steering Gear, Car Frame, etc. Cold drawning on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance Deliver condition: 1). BK Cold finished (hard) 2). BKW

Seamless Cold Drawn Precision Steel Tube DIN2391 ST52 BK Cold Finished Material: ST35, ST45, ST52 Size Range: OD: 6-156mm, WT: 1-30mm, Length: 5.8m/6m, maximal 11.8m Delivery Condition: BK, BKW, BKS, GBK, NBK Application: For high precision purpose, auto industry, like manipulator, Shock Absorber, Transmission Shaft, Steering Gear, Car Frame, etc. Cold drawning on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance Deliver condition: 1). BK Cold

Seamless Carbon Round Steel Pipe EN10305-1 for Precision Purpose EN10305-1 E235, E255, E355 +N Precision Seamless Cold Drawn Steel Pipe Material: E235, E255, E355 Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m Delivery Condition: +C, +LC, +SR, +A, +N Application: For high precision purpose, auto industry, like manipulator, Shock Absorber, Transmission Shaft, Steering Gear, Car Frame, etc. Product Name EN10305-1 E235 E255 E355 Precision Seamless Steel Tube

DIN 2391 Precision Seamless Steel Tube ‌1. Basic Specifications‌ ‌Standard‌: DIN 2391 (German Industrial Standard for cold-drawn precision seamless steel tubes), superseded by ‌DIN EN 10305-1‌ in 2003 for certain applications‌ ‌Material‌: Carbon steel grades (e.g., ‌St30, St35, St45, St52‌) with controlled carbon content (St52: C ≤ 0.22%, Mn ≥ 1.60%)‌36. ‌Dimensions‌: ‌Outer Diameter (OD)‌: 6–168 mm ‌Wall Thickness (WT)‌: 1–20 mm ‌Length‌: 5.8M, 6M, Maximal 11.8M ‌2.

‌DIN 2391 Precision Seamless Steel Tube St35, ST45, ST52, NBK / GBK / CW / SR 1. ‌Basic Specifications‌ ‌Standard‌: DIN 2391 (German Industrial Standard for cold-drawn precision seamless steel tubes)‌1. ‌Material‌: Carbon steel (e.g., ST52 grade)‌8, suitable for mechanical and hydraulic applications‌6. ‌Surface Treatment‌: Options include phosphating (anti-corrosion treatment)‌4 and honed/bright surfaces (improved smoothness)‌ 2. ‌Manufacturing Process‌ ‌Cold Drawing‌: