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Hot rolled for structural purpose Seamless steel tubes as per GB/T 8162 Torich produced by Hot rolled with carbon and alloy steel,Like 10,20,20Mn,25Mn,20Cr,40Cr 15CrMo 45Mn2 etc. as per standard GB/T 8162 applying in Mechanical contructure and general purpose of structure. Detail spec: Size range: OD 76-700mm WT 6-50mm L:3-12.5m Material:Carbon steel:10,20,45,25Mn,Q295,Q345,40Mn2,20Cr,40Cr,15CrMo etc. Alloy steel:40Mn2,20Cr,40Cr,15CrMo etc If not specificate from customer ,We

BS6323-3 HFS3 HFS4 HFS5 HFS8 Hot Finish Seamless/Rolling Steel Tubes, Automotive Tubes Standard: BS6323-3 Seamless and Welded steel tubes for automobile, mechanical and general engineering purposes Part 3: Specific requirements for hot finished seamless steel tubes Applications: for Auto industry / for machinery use/mechanical and general engineering purposes Size range: O.D.:6-280mm W.T.:1-30mm L:max12000mm Method of manufacture: The tubes are manufactured by a seamless

ASTM A335 Round Ferritic Alloy Steel Tubes / Pipe For Heat - Exchangers ASTM A335 Round Ferritic Alloy Steel Tubes / Pipe For Heat - Exchangers Size range: O.D.:6-420mm W.T.:1-50mm L: according to customer requirement Each length of pipe passed the hydrostatic test and non-destructive examination method . Other tests :Chemical Composition Tests ,Mechanical Tests(Tensile strength,Yield Strength,Elongation,Flaring ,Flattening,Bending ,Hardness,Impact Test), Surface ,Dimension

TORICH API 5L 20#, 16Mn, X42, X52 Hot Rolled Seamless Fluid Pipe TORICH API 5L 20#, 16Mn, X42, X52 Hot Rolled Seamless Fluid Pipe Standard: API 5L, API 5CT,ASTM A106,ASTM A53 Size range: OD: 33-610mm WT: 2-20mm Length: 15m max Material: 20#, 16Mn, x42, x52 Usage: Fluid Pipe Characteristic: Good concentricity High Precision Good surface quality Stable quality Good OD and ID tolerance Smooth Roughness TORICH QUALITY ASSURANCE Work shop: Q: Are you trading company or manufacture

GB/T 18984 Low Carbon Hot Rolled Steel Tube for Low Temperature Service Application:Applicable to -45 °C grade ~-100 °C level cryogenic pressure vessel pipe and low temperature heat exchanger pipe seamless steel Size:L--4-12m OD--30-351mm WT--3-25mm Manufacture method:Steel should be smelted with oxygen converter or electric furnace and added outside the furnace Delivery Condition:Normal delivery Processing methods:Hot rolled (expanding) steel pipe--WH cold drawing (rolling)

Seamless Steel Tubes,Cold Drawn or Hot Rolled,GB/T 8163,for Liquid Service,TORICH SPEC: Material:Q295 Q345 10# 20# Q390,Q420,Q460 Size Range OD:4-1200mm WT:0.3-200mm General Length:3-12.5m Tolerance: According to the following tables or customers’ request. Tolerance of the OD &WT: OD Tolerance: Production Method OD Tolerance Hot Rolling(Extrusion) ±1% or ±0.50mm Cold Drawn(Cold Rolled) ±1% or ±0.30mm Tolerance for wall thickness: 1.Wall thickness tolerance of Hot Rolling

GB/T 18984 Low-temperature-service Piping Seamless Steel Tube Application:Applicable to -45 °C grade ~-100 °C level cryogenic pressure vessel pipe and low temperature heat exchanger pipe seamless steel Size:L--4-12m OD--30-351mm WT--3-25mm Manufacture method:Steel should be smelted with oxygen converter or electric furnace and added outside the furnace Delivery Condition:Normal delivery Processing methods:Hot rolled (expanding) steel pipe--WH cold drawing (rolling) Steel pipe

TORICH 1010 1020 10# 20# Carbon Steel Hot rolled Seamless Steel Pipe Tube for Liquid Service GB/T 8163 Steel Grade/Steel Material: Mechanical Properties(longitudinal): Steel Grade Tensile Strength MPa Yield Strength MPa Elongation % s≤16 s>16 no less than 10 335-475 205 195 24 10 410-550 245 235 20 Q295 430-610 295 285 22 Q345 490-665 325 315 21 Test Item Test item 1 Mechenical properties 2 Elongation 3 Impact 4 Flattening Testing 5 Flaring Testing 6 Cold Bend 7 Hydraulic 8 U

ASTM A789 Duplex steel S31803 tube ASTM A789 /A789M Covers Grades of nominal wall thickness, stainless steel tubing for services requiring general corrosion resistance, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures. Chemical Composition UNS Designation Composition, % C Max Mn max P max S max Si max Ni Cr Mo N Cu Others S31803 0.03 2 0.03 0.02 1 4.5-6.5