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GOST550-75 10Г2 15Х5М 15X5 10Mn2 25x2 20x2 25x2.5 Alloy Steel tubes steel pipes for Petroleum refining tubes Application:seamless steel tubes for petroleum refining tubes application Normal sizes:25x2.5mm 25x2mm 20x2mm Механические свойства 10Г2 15Х5М 15X5 марка стали Steel grade Времен. сопрот., Tensile Н/мм2 Предел текуч., Yield Н/мм2 Относит. удлин., Elongation % Относит. сужение, reduction % Ударная вязкость Impact KCU, Дж/см2 Твердость по Бринеллю, Hardness НВ, не более

30ХГСА 30HGSA 30CrMnSiA Alloy Steel tubes steel pipes for oil and gas and geological drill pipes Application:seamless steel tubes for oil and gas and geological drill rods application 30ХГСА 30HGSA 30CrMnSiA Chemical composition, % C Si Mn Ni S P Cr Cu 0.28 - 0.34 0.9 - 1.2 0.8 – 1.1 Up to 0.3 Up to 0.025 Up to 0.025 0.8 - 1.1 Up to 0.3 Temperature of 30HGSA material critical points. Ac1 = 760 , Ac3(Acm) = 830 , Ar3(Arcm) = 705 , Ar1 = 670 , Mn = 352 Mechanical properties, Т

JIS SACM645 ISO 41CrAlMo74 BS 905M39 905M31 Alloy Steel tubes steel pipes for boring bar and machine spindle Additional technical requirements for steel grade 38H2MUA pipes Chemical composition, % С Мп Мо Р S Si Сг Аl SACM645 41CrAlMo74 BS905M39 0,35±0.01 0.30±0.02 0.15± 0.02 ≤ 0.025 ≤0.025 0.20± 0.02 1.35± 0.05 0.70± 0.1 Our tolerance ±0.05 ±0.1 ±0.05 Same Same ±0.1 ±0.2 ±0.2 Mechanical properties: steel yield (N/ mm²) tensile (N/ mm²) elongation % Hardness, HB max SACM645

SAE4130 ASTM A519 Seamless Steel Tube for Hydraulics Rubber Hose Material:1010, 1020, 1045, 4130, 4140 Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m Delivery Condition: CW, SR, A, N Application: For mechanical application 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: SR, A, N 6.

Cold drawn aisi 4130 alloy steel tubes and pipes Alloy steel 4130 4140 for ASTM A519 seamless steel tubes ASTM A519 SEAMLESS STEEL TUBES, by DOM production, with the steel grade of SAE4140 and SAE4130, other alloy steel grade upon customer's agreement.: SAE4130: C: 0.28-0.33% Mn: 0.40-0.60% P max 0.40% S max 0.40% Si: 0.15-0.35% Cr: 0.80-1.10% Mo: 0.15-0.25% cold drawn aisi 4130 alloy steel tubes and pipes SAE4140: C: 0.38-0.43% Mn: 0.75-1.00% P max 0.40% S max 0.40% Si: 0.15

ASTM A209 T1 T1a T1b Seamless Alloy Steel Tubes For Boiler and Superheater Tube Products Description StandardASTM A209MatrialT1 T1a T1bSizeOD: 6-420mm WT: 1-50mm Length: according to customer requirementApplicationFor Boilers,Superheaters, Heat-Exchangers, High-pressure BoilersManufactureTubes are made by seamless process.At the manufacturer's option, tubing may be furnished either hot finished or cold finished.Test and InspectionMechanical Test, Tension TestFlaring Test,

20CrNiMo Cold Drawn Alloy Round Tube For Gears Crankshafts ISO TS Standard Products Description: used for Gears Crankshafts Chinese Grade 20CrNiMo Cold Drawn Seamless Alloy Steel Tubes Quick Detail: Chemical Compositions: Steel Grade C Si Mn Cr Ni Mo P S Ti 20CrNiMo 0.17-0.23 0.17-0.37 0.60-0.95 0.40-0.70 0.35-0.75 0.20-0.30 ≤0.035 ≤0.035 - AISI8620 0.18-0.23 0.15-0.35 0.70-0.90 0.40-0.60 0.40-0.70 0.15-0.25 ≤0.035 ≤0.040 - AISI8620H 0.17-0.23 0.15-0.35 0.60-0.95 0.35-0.65 0

JISG3445 STKM11A 12A 12B 12C 13A 13B 13C 15A Drawn Over Mandrel Steel Tube​: JIS G3445 STKM 15A Drawn Over Mandrel Steel Tube Seamless And Electric Resistance, which is produced by mandrel and die on the ERW mother tube, with cold drawing and cold rolling processing to achieve final target dimension, with good OD and ID smoothness Product Name: Carbon steel tubes for machine structural purposes Japanese Product Name :つぎめがないこうかん Drawn Over Mandrel Steel Tube Material : STKM

Products Description GB/T19447 C10200 Copper Alloy Steel Pipe Fin Tube with Integral Fins for Heat Exchanger Material C10200, C11000 Etc Size Fin Thickness: 0.1-2mm; Tube OD: 8-55mm; Length: max 12m Fin Pitch Customize Surface Copper Coated End protector Plain End / Beveled End Application Oil&Gas Well Drilling, For Heat Exchanger Test Tension Test, Flaring Test, Flange Test, Reverse Test, Hardness Test, Hydrostatic or Nondestructive Electric Test Quick Detail: Low Finned