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JIS G3473 Seamless and welded carbon steel tube for cylinder barrels Type: Seamless and welded carbon steel pipes Application: For cylinder barrels Technique: Cold-finished, hot-finished, ERW Product Description Grade and Designation The tubes shall be classified into 7 grades, and their designations shall be as given in Table 1. Table 1 Designation of Grade Designation of Grade Traditional symbol STC 370 STC 440 STC 510A STC 510B STC 540 STC 590A STC 590B STC 38 STC 45 STC

Din 2391-1 En10305-1 Din2448 St37 St52 5cm Diameter Seamless Steel Pipe Tube Astm A106 Introduction: Product name Seamless steel pipe OD 5-420mm WT 0.5-50mm Standard ASTM A 106, EN 10303-1, DIN2391, DIN2448 Grade St37,st52 Usage Auto industry, machinery use, oil cylinder tube, motorcyle shock absorber Shape Round Section shape Round Surface treatment Polished Payment L/C,T/T,Western Union,Money Gram Terms of delivery FOB,CIF,CFR,CPT,etc

Hydraulic Cylinder CK45 1045 12mm Induction Harden Chrome Plated Steel Piston Rod 1. Details: Standard Parameters Steel Grade C45E (EN 10083) Tolerance ISO f7 Roundness diameter tolerance / 2 Standard Length - for Ø ≤ 60 mm: 5600 – 6200 mm - for Ø ≥ 60 mm: 5800 – 7200mm Upon request: special lengths on all diameters Surface Roughness Ra max. 0.20 µm (statistic average: 0.05 – 0.15 µm) Chrome Layer Thickness ≤ Ø20 mm: min. 15 µm ≥ Ø20 mm: min. 20 µm Chrome Layer Hardness min.

ASTM A513-5 DOM Steel Tube For Hydraulic Cylinder And Pneumatic Cylinder Standard : GB/T3639, GB/T8713, EN10305-1:2002, EN10305-2:2002, ASTM A519-2006, ASTM A513-2007, GB/T1591-2008, GB/T17396-2009 Material: 20#, 45#, Q345B, Q345D, 25Mn, 27SiMn, E355 Hydraulic and pneumatic cylnder tube standard/size/tolerance Working method Tube ID (mm) Length (m) Straightness (mm/m) Tolerance on ID Tolerance on WT ID Roughness (um) Cold Draw 40-400 ≤12m 0.2-0.5 　/ ±5% ≤1.6 Cold Rolled 40

Chrome Plated Rod Specification Material: CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 42CrMo Diameter: Φ 6-500 mm Length: max 16m Chrome layer: 20 micron (min) Hardness of the chrome layer: 800HV-1150HV Roughness: Ra ≤0.2u Straightness: ≤ 0.2/1000 Diameter tolerance: ISO f7 Roundness: the deviation of roundness is 50% of the diameter tolerance at the most. Supply condition: Hard chrome plated/ Hardened and tempered/ Induction hardened Packing: Anti rust oil to be spread on rod

Products Description TORICH EN10305 Chrome Plated Seamless Steel Tube for Hydraulic Pipe Standard EN10305, DIN239, DIN2445, GB/T 3639, GB 8713 Matrial 10#~45#,16Mn,Q195~Q345,ST35~ST52 Size OD: 30mm~250mm WT: 0.5mm~18mm Length: according to customer requirement Production Tubes are manufactured by seamless process and both hot finished and cold finished are applicable Test Tension Test, Flaring Test, Flange Test, Reverse Test, Hardness Test, Hydrostatic or Nondestructive

DIN 2391 EN10305-1 St35 St45 St52 E355 galvanizing Hydraulic tubes Application : Hydraulic tubes. Material: St35 St45 St52 E355 Standard : DIN 2391 EN10305-1 Surface treatment: Galvanizing, to protect material from rust. OD : 4- 20mm WT :0.5-10 mm Characteristic: 1.Bright annealing treatment on steel tubes, have a clean in side and out size diameter,Besides, what is suitable for bending any angle for your produce your production. 2.Galvanizing on tubes can bear the Salt spray

Products Description: 50mm ASTM A519 Carbon Steel Mechanical Tube Hydraulic Cylinder Pipe ASTM A519 1010 1020 +SRA +N CDS Precision Hydraulic Cylinder Steel Tube Oil cylinder Seamless Carbon and Alloy Steel Mechanical Tubing ASTM A519 O.D.: 50-350mm W.T.:0.5-35mm L:max12000mm 1. ASTM A519 Oil cylinder Seamless Carbon and Alloy Steel Mechanical Tubing 2. Steel Grade: SAE1010,SAE1020,SAE1026,SAE4130,SAE4140 3. Porudction Method: Cold drawing + Honing + Skiving Roller Bunish 4.

Products Description TORICH GB/T 28884 30CrMoE 300L - 3000L Seamless Steel Tubes for Large Volume Gas Cylinder Key Word Seamless Gas Cylinder Tube Material 30CrMoE, 42CrMoE, 4130X, 4142 Size OD: 80-1200mm WT: 4-100mm Length: 2000-9000mm Surface With Anti Rust Protection Production Method Cold Drawn Application Gas Cylinder with 300L-3000L Volume Delivery Conditions Steel pipe in hot rolling(enlarge) state,cold drawn or cold drawn after heat treatment state delivery. Tolerance