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JIS G 3462 STBA 12 STBA 13 STBA 20 STBA 22 STBA23 STBA 24 STBA 25 STBA 26 Alloy Steel Boiler and Heat Exchanger JIS G 3462 Alloy steel boiler and heat exchanger Standard:JIS G 3462 Wall thickness 0.5-50mm Diameter 5-420mmLength Upon request Application: for boiler and heat exchanger Produce method: STBA 12,STBA13,STBA20,,STBA 22 :electric resistant welding STBA 25 STBA 26 :Seamless Heat treatment: STBA 12,STBA13:Low temperature annealing, isothermal annealing, full annealing,

73x8.5 83x9 38Cr2MoAlA 38CrMoAl 38H2MUA 38X2МЮА Alloy steel seamless pipes for oil drill rods. Additional technical requirements for steel grade 38H2MUA pipes Chemical composition, % С Мп Мо Р S Si Сг Аl GOST 4543-75 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 38X2МЮА 420 617 12 250 Size list: OD,

73x8.5 83x9 38Cr2MoAlA 38CrMoAl 38H2MUA 38X2МЮА Alloy steel seamless pipes for oil drill rods. Additional technical requirements for steel grade 38H2MUA pipes Asortment: -ID 28mm, WT 1,2 mm - ID З Зmm., WT 1,Зmm - ID 39,4mm, WT 1,3 mm - ID 45,4mm, WT 1,3 mm GOST 8734-75 3750mm Curvature shouldn’t exceed 1mm for 1m Mechanical properties, heat treatment should correspond to GOST 8734-75, 8733-74, group V Chemical composition, % С Мп Мо Р S Si Сг Аl GOST 4543-75 0,35±0.01 0.30±0

Product Name: 35Mn2 / 40Mn2 Seamless Alloy Cold Drawn Steel Tube , Automotive Parts Steel Tubing Material: 35Mn2 , 40Mn2 Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m Cold Rolled process on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance 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 Rolling, On line inspection 5.

TY14-3P-55 20 / 15CrMo / 12Cr1MoV Seamless Alloy Boiler Steel Pipes for Steam Generators and Pipelines Material: 10, 20, 15CrMo, 12Cr1MoV, etc. Size Range: OD: 6-228mm, WT: 1-30mm, Length: 5.8m/6m, maximal 11.8m 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 6. Straightening/Cutting to specified

Product Name: SAE4130 ASTM A519 Seamless Cold Drawn Round Steel Tubing Free of Oxide Scale Surface Material:1010, 1020, 4130 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 Round steel tubing exhibits excellent strength and durability, is easy to cut, bend, and form, and is versatile and affordable enough for a broad spectrum of applications. Multiple styles and alloys are available,

Product Name: 35Mn2 Seamless Alloy Cold Drawn / Cold Rolled Steel Tube Automotive Parts Tubing Material: 35Mn2 Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m Cold Rolled process on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance 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 Rolling, On line inspection 5. Heat

Product Name: 40Mn2 Automotive Parts Tubing , Seamless Alloy Cold Drawn / Cold Rolled Steel Tube Material: 40Mn2 Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m Cold Rolled process on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance 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 Rolling, On line inspection 5. Heat

Product Name: 4130 , Chrome , Seamless Cold Drawn Round Steel Tubing with Excellent Strength and Durability Material:1010, 1020, 4130 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 Round steel tubing exhibits excellent strength and durability, is easy to cut, bend, and form, and is versatile and affordable enough for a broad spectrum of applications. Multiple styles and alloys are