Cold Drawn Seamless Pipe Ready For Machining

Product Name: Cold Drawn Precision Seamless Steel Pipe Material: ST35, ST45, ST52, E235, E355, E255, 4130, 1020, 1010, 1045, STKM11A, STKM13C, etc 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 Extending and Bending Ability. Quality Control: 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. Heat Treatment:BKS, GBK, NBK 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. 100% Eddy Current Testing. 100% Size Tolerance Checking. 100% Tube surface checking to avoid surface defects. Product Name Seamless Cold Drawn Precision Steel Pipe Material ST35, St45, ST52 Delivery Condition BK, BKW, BKS, GBK, NBK Standard DIN2391 / EN10305-1 / ASTM A519 / GB3639 Size Range OD: 6-88mm, WT: 1-15mm Application High precision purpose, auto parts, oil cylinder, etc Round Billet Bao Steel, Xingcheng Steel, Huai Steel, Zhongtian Steel Keyword Cold Drawn Steel Tube Certificate TS16949, ISO 9001 HS code 7304319000 Delivery Time 45 days Packing Bundles or Wooden Boxes Steel Grade Chemical Composition Symbol Material Number C Max. Si Max. Mn P Max. S Max. ST35 1.0308 0.17 0.35 ≥0.40 0.025 0.025 ST45 1.0408 0.21 0.35 ≥0.40 0.025 0.025 ST52 1.0580 0.22 0.55 ≤1.60 0.025 0.025 Steel Grade BK BKW BKS Name No. Rm Mpa A % Rm Mpa A % Rm Mpa ReH Mpa A % ST35 1.0308 480 6 420 10 420 315 14 ST45 1.0408 580 5 520 8 520 375 12 ST52 1.0580 640 4 580 7 580 450 10   Steel Grade GBK NBK Name No. Rm Mpa A % Rm Mpa ReH Mpa A % ST35 1.0308 315 25 340--470 235 25 ST45 1.0408 390 21 440--570 255 21 ST52 1.0580 450 22 490--630 355 22