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GB/T 20409 Multi-rifled Seamless Steel Tubes For High-Pressure Boiler Size range : O.D 5-420 mm W.T 0.5-50mm L max12000mm STEEL GRADE AND CHEMICAL COMPOSITIONS Steel Grade C Mn Si Cr Mo S P 20G 0.17-0.23 0.35-0.65 0.17-0.37 - - ≤0.020 ≤0.025 SA-210 A1 ≤0.27 ≤0.93 ≥0.10 - - ≤0.035 ≤0.035 SA-210 C ≤0.35 0.29-1.06 ≥0.10 - - ≤0.035 ≤0.035 SA-213 T2 0.10-0.20 0.30-0.61 0.10-0.30 0.58-0.81 0.44-0.65 ≤0.025 ≤0.025 SA-213 T12 0.05-0.15 0.30-0.61 ≤0.50 0.80-1.25 0.44-0.65 ≤0.025 ≤0

TORICH ASTM B161 Nickel and Low Carbon Nickel Seamless Pipe and Tube Product Description: Steel Grade/Steel Material: Nickel UNS N02200 Low-Carbon Nicekl UNS N02201 Size Range: OD: 6-420mm WT: 1-50mm Length: Customer's Requirement Production Processs: Seamless tube and Cold Drawing or Cold Rolling Production Mechanical Properties Condition and Size Tensile Strength, min, psi(Mpa) Yield Strength (0.2%pffset), min,psi(Mpa) Elongation in 2in. or 50mm(or4D), min, % Nickel (UNS

TORICH ASTM A530 Seamless Specialized Carobn Steel Pipes Product Description: Steel Grade/Steel Material: Q195, Q215, Q235, 10#, 20#, 45#, T9, T12, ZG25 etc. Size Range: OD: 10.3-457mm WT:0.5-50mm Length: Customer's Requirement Production Processs: ERW/Seamless tube and Cold Drawing or Cold Rolling Production Permissible Variations in WT NPS Designator Tolerance, % from Normal Over Under 1/8 to 2 1/2, incl., all t/D ratios 20.0 12.5 3 to 18, incl., t/D up to 5%incl 22.5 12.5

BS 3059 Gr 360 Carbon Steel Heat Exchanger Tubes for Steel Boiler and Superheater Tubes Product Name:BS 3059 Steel boiler and superheater tubes Carbon ,alloy and austenitic stainless steel tubes with specified elevated temperature properties Size Diameter 5-420mm Wall thickness 0.5-50mm Length Upon request Application : for boiler and superheater Produce method: seamless ,welded Delivery condition: hot finished, cold finished CHEMICAL COMPOSITION % max Steel Grade C Si Mn P S

ASTM A106 Cold Drawn Seamless Outside Hexagon Shaped Steel Tube 1. Material: Carbon or Alloy 2. Size: Customized Size with special shape 3. Standard: ASTM , DIN, JIS, ISO, GB ANSI 4. Certification: ISO9001, TS16949, CE Product Name ASTM A106 Cold Drawn Seamless Outside Hexagon Shaped Steel Tube Material Carbon steel Standard DIN GB ISO JIS BA ANSI Grade 10# 45# Q195 Q345 Brade Torich Thread coarse, fine Used building industry machinery Packing Free fumigation wooden casea and

ASTM A179 High Quality Boiler Seamless Steel Pipe Seamless Boiler Tube Wall thickness 0.5-50mm Diameter 5-420mm Length Upon request Application: for boiler and heat exchanger Heat treatment: STBA 12,STBA13:Low temperature annealing, isothermal annealing, full annealing, normalizing followed by tempering. STBA 20 STBA22: Low temperature annealing, isothermal annealing, full annealing, normalizing followed by tempering. STBA 23 STBA 24 STBA 25 STBA 26:Isothermal annealing, full

GB/T3089 44.5x0.9mm Thinnest-Wall Seamless Stainless Steel Tubes Product Name:GB/T3089 44.5x0.9mm Thinnest-Wall Seamless Stainless Steel Tubes Standard:GB/T3039 Size Range: OD:10.3-102.6mm WT:0.15-0.6mm Length:0.8-6m Regular Size: 15.4X0.2 18.4X0.2 20.4X0.2 24.4X0.2 35X0.5 40.4X0.2 41X0.5 44.5X0.9 60X0.5 74X0.5 150.8X0.4 250.8X0.4 Application: For Scientific research, pneumatic components Steel Grade: 06Cr19Ni10, 022Cr19Ni10, 022Cr17Ni12Mo2, 06Cr17Ni12Mo2Ti, 06Cr18Ni11Ti

GB/T3089 44.5x0.9mm Thinnest-Wall Seamless Stainless Steel Tubes Product Name:GB/T3089 44.5x0.9mm Thinnest-Wall Seamless Stainless Steel Tubes Standard:GB/T3039 Size Range: OD:10.3-102.6mm WT:0.15-0.6mm Length:0.8-6m Regular Size: 15.4X0.2 18.4X0.2 20.4X0.2 24.4X0.2 35X0.5 40.4X0.2 41X0.5 44.5X0.9 60X0.5 74X0.5 150.8X0.4 250.8X0.4 Application: For Scientific research, pneumatic components Steel Grade: 06Cr19Ni10, 022Cr19Ni10, 022Cr17Ni12Mo2, 06Cr17Ni12Mo2Ti, 06Cr18Ni11Ti

ASTM A192 Seamless Carbon Steel Boiler Tubes for High Pressure Boilers Material: Carbon Steel Production: Tubes are manufactured by seamless process and both hot finished and cold finished are applicable. Size range: O.D.: 12.7-177.8mm W.T.: 1-25.4mm L: according to customer requirement Applications: for Boilers,Superheaters, Heat-Exchangers, High-pressure Boilers, Steam Boilers Cold Condensers and High-Pressure Services, High-Temperature Services for Boiler Constructions