Seamless Steel Tube

ASTM A179 Cold-Drawn Low-Carbon Seamless Steel Tube for Heat-Exchanger and Condenser is widely used for Marine boiler and superheater and Ⅰ, Ⅱ pressure piping with seamless steel tube manufacturing. This kinds of steel pipe is made by material of 320/360/410/460/490 according to the GB/T 5312 standard. Size: Outer Diameter: 6-1000 mm,Wall Thickness: 1- 80 mm,Length :1-12m or as your request Application:Manufacture of boilers or superheater. Material:10#.20#.16Mn.A106(B,C)

Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087 Spec: Material:10# 20# STB33/42 st35.8 Size Range:OD:4-1200mm WT:0.3-200mm General Length:4-12.5m 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 steel tube: Production Method

Seamless Steel Tubes for Liquid Service GB/T 8163 10# 20# Spec: Material:10# 20# Q295 Q345 st35.8 Size Range:OD:4-1200mm WT:0.3-200mm General Length:3-12.5m 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 steel tube: Production Method OD (DN) WT/OD Tolerance Extruded tube ≤102 / ±12.5% or ±0.40mm ＞102 ≤0.05

GB6479 High-pressure Chemical Fertilizer Equipments Seamless Steel Tubes Application:Seamless steel tubes of best quality carbon steel ,low alloy steel and stainless steel for high-pressure chemical fertilizer equipment and piping as well as for other chemical equipment. OD:14-426mm WT:0.5-45mm Length:4-12m Manufacture method:The manufacture method of steel and tube blank shall meet what specified in YB/T 5137.Steel tubes shall be manufacturd by seamless method of hot rolling

Seamless Steel Tubes for Structural Purposes GB/T 8162 Spec: Material:10# 20# 45# 20Mn 25Mn Q235 Q345 Size Range: OD:3-1200mm, WT:0.5-200mm, General Length:3-12m Tolerance: According to the following tables or customers’ request. Characteristic: Good concentricity Good OD and ID tolerance High Precision Stable quality Smooth Roughness TORICH QUALITY ASSURANCE Tolerance of the OD &WT: OD Tolerance: Production Method OD Tolerance Hot Rolling(Extrusion) ±1% or ±0.50mm Cold Drawn

GB/T3093 High-pressure Seamless Steel Tubes For Diesel Engine Production process:Cold drawing bright heat treatment without oxidization 100%nondestructive testing inside flushing under the high pressure antirust oiling outer and inner surface. Application:Manufacturing diesel injection system of high pressure oil pipe in cold drawn seamless steel tube size:OD:6-530mm WT:0.5-38.1mm Length:1.5-6m Steel Grade And Chemical component Unified digital code Grade Chemical Component

Product Name:GB/T 3093 10A 20A Q345A High-pressure Diesel Engine Seamless Steel Tubes Outer Diameter: 3-60 mm Wall Thickness: 0.5-8mm Main Characteristics:No Oxidation Layer on the Outer and Inner WallsNo Crack under Flaring and FlatteningNo Leakage under High Pressure No Distortion after Cold Bending High Precision High Cleanness Excellent Brightness Standards: GB/T3093,DIN2391, EN10305-1, EN10305-4 etc. Steel Grade: 10A,20A,Q345A,St37.4, St35(E235), St45(E255), St52(E355)

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

20Mn 25Mn Q275 Q295 Cold drawn and Cold rolled Seamless steel tubes for structural purpose GB/T 8162 Torich produce seamless steel tubes as per standard GB/T 8162 applying in Mechanical contructure and general purpose of structure. produced by cold drawn and cold rolled with carbon and alloy steel,Like 10,20,20Mn,25Mn,20Cr,40Cr 15CrMo 45Mn2 etc. Detail spec: Size range: OD 3-420mm WT 0.5-50mm L:3-12.5m Material:Carbon steel:10,20,45,25Mn,Q295,Q345,40Mn2,20Cr,40Cr,15CrMo etc.

GB8163/T Cold Drawn Seamless Carbon Steel Tube Heat Treatment: Hot Rolling & Cold Drawn 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 steel tube: Production Method OD (DN) WT/OD Tolerance Extruded tube ≤102 / ±12.5% or ±0.40mm ＞102 ≤0.05 ±15% or ±0.40mm ＞0.05-0.10 ±12.5% or ±0.40mm ＞0.10 +12.5% -10% Heat

Cold Drawn Seamless Stainless Steel Tubes Fully Annealed Plain Production describe Steel Grade/Steel Material:304/304L,316/316L,314,321,347H Steel pipe standard:ASTM213 ASTM199 Characteristic: Good concentricity Good OD and ID tolerance High Precision Stable quality Smooth Roughness TORICH QUALITY ASSURANCE Production Processs: RAW MATERIAL ↓ INCOMING INSPECTION ↓ STORAGE → CUTTING→HAMMERING → PICKING LUBRICATION → CLEANING → PHOSPHORI CLEAN ↓ ENDS CUTTING←STRAIGHTENING←HEAT

GOST 4543 Alloy Pipe for Water Wall Pannel This pipe follow the GOST4543 which is for alloyed construction hot-rolled and forged gauged steel with diameter or thickness up to 250mm, and steel with a special surface finish, used in a thermally treated condition and produced in the form of bars, strips and hanks. The mass fraction of phosphorus, sulfur, residual copper, nickel and chromium in steel of all grades shall not exceed the standards specified in table.Category of

BS970 080A47 carbon and carbon manganese steels The Steel machines readily and is idea for shafts, axles, sprockets and other machine parts requiring better strength than 1020 mild steel . The Steel is well suited to flame or induction hardening. Surface values of 54-60 Rockwell C can be expected. BS970 080A47 Chemical Composition Table C Si Mn S P 0.45-0.50 0.10-0.40 0.70-0.90 ≤0.05 ≤0.05 45# Chemical Composition Table C Si Mn Cr Ni Cu 0.42-0.50 0.17-0.37 0.50-0.80 ≤0.25 ≤0

Seamless or Welded Octangon Steel Pipe GB/T 3094 Cold Drawn Tube 10# 20# Q195 Q235 Q345 Octagon Steel Tube is mostly seamless tube or welded tube, produced according to the Chinese Standard GB/T 3094, which is a standard for cold drawn shaped steel tubes. Octagon Steel Tube is widely used in structural parts, tool and machinery parts. And the barrel compared to stainless steel Pipes generally have a greater moment of inertia and section modulus, flexural torsional greater

EN10305-4 Seamless Cold Drawn Steel Tubes for Hydraulic and Pneumatic Power Systems Standard: EN10305-1 Seamless Cold Drawn/Rolling Steel Tubes Steel tubes for precision applications. Technical delivery conditions Applications: Telescopic Cylinders/Hydraulic Cylinders/Auto shock absorber inner cylinder Size range: O.D.:6-350mm W.T.:1-35mm L:max12000mm Steel Grade C Si Mn P S Al Steel Name Steel Number max max max max max min E215 1.0212 0.10 0.05 0.70 0.025 0.025 0.025 E235 1

EN10216-3 Seamless Steel Tube For Pressure Purposes Technical Delivery Conditions Steels are fully killed made to fine grain. The tubes are manufactured by a seamless process Option 1: The tubes shall be cold finished before heat treatment Forming operation and delivery condition Forming operation Heat treatment condition Symbol for delivery condition Hot finished Normalised +N Hot finished Quenched and tempered +QT Hot finished + cold finished Normalised +N Hot finished +

A333/A333M Gr1 , Gr2 , Gr3, Gr4, Gr 5, Gr6 Seamless and Welded Steel Pipe for Low-Temperature Service A333/A333M Seamless and Welded Steel Pipe for Low-Temperature Service Material: Carbon and Alloy Steel, ferritic steel Grade 1A, Grade3, Grade 4, Grade 6A, Grade 7A Manufacture: The pipes are made by seamless and welding process with the addition of no filler metal in the welding operation. Grade 4 is manufactured by seamless process Heat treatment: All seamless and welded

GOST 9941 Seamless Cold and Warm-deformed Tubes Made From Corrosion-resistant Steel Tube material with steel grades: 08H17T, 08H13, 12H13, 15H25T, 04H180N10, 08H20N14S2, 10H17N13M2T, 08H18N12B, 10H23N18,08H18N10T,08H18N12T,08H17N15M3T12H18N10T,12H18N9,17H18N9,08H22N6T,12H17,06HN28MDT Delivery condition:The tubes are delivered in heat treated conditionTubes are cut square and deburred. Testing:TensileFlatteningExpansionIntercrystalline corrosion testThe tubes shall be

BS6323-1 Seamless Steel Tubes - Welded Steel Tubes Applications: for Auto Industry / for Machinery Use/Mechanical and General Engineering Purposes Size range: O.D.:6-350mm W.T.:1-50mm L:max12000mm Steel Grade and Chemical Compositions: chemical element Mn P S Cr Mo steel grade max max max 　 　 HFW2 0.7 0.05 0.05 　 　 HFW3 0.9 0.05 0.05 　 　 HFW4 1.2 0.05 0.05 　 　 HFW5 1.5 0.05 0.05 　 　 HFS3 0.9 0.05 0.05 　 　 HFS4 1.2 0.05 0.05 　 　 HFS5 1.5 0.05 0.05 　 　 HFS8 0.5-0.9 0.05 0.05 　

ASTM A519 1010 1020 1026 4130 4140 Seamless Carbon and Alloy Steel Mechanical Tubing ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing Applications: for machinery, mechanical engineer Size range: O.D.:6-350mm W.T.:1-50mm L:max12000mm Special Smoothness Inside Surface,SSIS this tubing is intended for use where the inside surface is of prime importance. Usually we leave maching allowance for both OD and ID tolerance for further maching purpose. Method of tube forming: