精密鋼鉄管

Cold-rolled precision steel pipe has high tolerance dimension accuracy, tollerance can be controlled at (+-0.1mm/+-0.05mm), good inner and outer surface finish, and no oxide layer on the surface. Precision cold-rolled steel pipe has excellent comprehensive performance, can withstand high pressure, cold bending, flattening, no cracking, no wrinkle, and can do all kinds of complex deformation and mechanical processing. Product name Seamless steel pipe Size OD Wall thickness

Cold Rolled 100 Cr 6 DIN17230 Precision Ball and Roller Bearing Steels Product name: Cold Rolled 100 Cr 6 DIN17230 Precision Ball and Roller Bearing Steels Standard: DIN17230, NF A35-565, GB/T 3203, YB-T 4146 , SKFD33 , S13000 , GOST801-78 Grade: 100 Cr 2/ 100 Cr 6 /100 CrMn 6/Cf 54 / 44 Cr 2, etc. Technical: Cold Drawn Cold Rolled Size Range: OD: 5-120 mm WT: 1-14 mm Or according to customers' actual application and production. Application: automotive, electrical, instrument

GB/T 18254 Chromium Oiled WT 14mm Cold Rolled Steel Pipe for Bearing Parts Product Discription for Precision Steel Tube Commodity name GB/T 18254 High Dimensional Accuracy Chromium Bearing Steel Tube Steel grades GCr15(52100,SUJ2,SUJ3,100Cr6, SKF3S), 20CrNiMo(8620H,4118H) SKF,30Cr13 Standard GB/T 18254, ASTM A295, ASTM A534, JIS G4805, DIN17230, NF A35-565, GB/T 3203,YB-T 4146,SKFD33,S13000,GOST801-78 Size OD 5-500mm WT 0.5-15mm Application Automotive, electrical,instrumentat

Cold Drawn or Cold Rolled EN 10305 E215 E235 E335 Seamless or Welded Precision Steel Tube Product name: Cold Drawn or Cold Rolled EN 10305 E215 E235 E335 Seamless or Welded Precision Steel Tube Standard: EN10305-1, EN10305-2, EN10305-3, EN10305-4, EN10305-5, EN10305-6, ... Grade: Q345, E255, E355,etc. Technical: Cold Drawn or Cold Rolled Size Range: OD: 4-200 mm WT: 0.5-22 mm Or according to customers' actual application and production. Application: For auto industry,

Structural Cold Rolled DIN2391 ST35 ST35, ST45, ST55, ST52.4 NBK Precision Steel Tube Standard: DIN2391-1 Technique: Cold Drawn, Cold Rolled. Size range: OD: 4-76mm, WT:0.5-8mm, Length: ≤12m, or at buyer's request. Material: ST35, ST45, ST55, ST52.4 etc Surface quality: Without oxidization, No crack, No fold, No rolling fold, No scar, No laminar defect Chemical composition: Standard Steel Grade C(%) Si(%) Mn(%) S(%) P(%) DIN 2391 St35 ≤0.17 ≤0.35 ≥0.40 ≤0.025 ≤0.025 St37 ≤0

Cold Rolled Q345 E255 ST52 High Precision Seamless Steel Tube for Automative Use Standard: GB/T 3639, DIN2391, EN10305 Technique: Cold Drawn, Cold Rolled. Size range: OD: 4-76mm, WT:0.5-8mm, Length: ≤12m, or at buyer's request. Material: 10#, 20#, 45#, Q345, ST35, ST45, ST55, ST52.4,E215 E235 E355, etc Surface: NBK, Galvanization/Galvanized/Zinc Coated, Blue White Zinc (Trivalent Chromium Passivation), Plating Colour Zinc(Trivalent Chromium Passivation), Yellow, Army-Green,

EN10305 GB/T 3639 Cold Drawn or Cold Rolled Welded Precision Hydrualic Tube Product name: EN10305 GB/T 3639 Cold Drawnor Cold Rolled Welded Precision Hydrualic Tube Standard: DIN2391-2, EN10305-1, GB/T3639, GB/T8163, GB/T14976, EN10216-5... Grade: 10#, 20#, 45#, Q345, E255, E355,etc. Technical: Cold Drawn or Cold Rolled Size Range: OD: 4-200 mm WT: 0.5-22 mm Or according to customers' actual application and production. Application: Structural, Machinery,etc. Inspection items:

GB/T 3203 Cold Drawn Cold Rolled Seamless Steel Tube Precision Bearing Steel Tube Carburizing is the process of ordering carbon atoms into the steel surface. It is also to make the low carbon steel workpiece with high carbon steel surface layer, and then after quenching and low temperature tempering, the surface layer of the workpiece has high hardness and wear resistance, and the central part of the workpiece still maintains the toughness and plasticity of low carbon steel.

TORICH DIN2393-2 St52.3 Welded Precision Carbon Car Shock Absorber Steel Tube 1. Quick Detail: Black Phosphated Hydraulic Tubes with High Precision EN10305-1, EN10305-4, DIN2391, E235, E355, ST37.0, ST44.0, ST52.0 2. Production process: DIN series tubes, cold drawn and bright annealed precision seamless steel tube is used as the tube to be phosphated. The phosphorization is realized with the imported chemical fluid to form a black film. The antirust oil is absorbed by means