| Model NO. | smls |
| Technique | Cold Drawn |
| Material | Carbon Steel |
| Surface Treatment | Polished |
| Usage | Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose |
| Section Shape | Round |
| Carbon Steel | GB/T 8162 & 8163 & 3639 |
| Outer Diameter | 10-120mm (0.4 Inch - 4.7 Inch) |
| Wall Thickness | 1-20mm (0.04 Inch - 0.78 Inch) |
| Length | Less Than 11.8m |
| Tech | Cold Drawn / Cold Rolled |
| Tolerance | ±0.15mm |
| Transport Package | Sea Transportation |
| Specification | Varnish, Plastic Caps, in Bundled, or Customized |
| Trademark | Tenjan |
| Origin | China |
| HS Code | 7304319000 |
| Production Capacity | 50000 Ton/Year |
Seamless Steel Tube
--Precise custom outer diameter and inner diameter
--Tight tolerances, resulting in reduced machine time / Dimensional accuracy
--Smooth and Clean OD and ID surfaces
--Excellent machining characteristics
--Wider range of physical properties attainable through process and annealing options
Product Description
Production Range
Outer Diameter:10-120mm (0.4 inch - 4.7 inch)
Wall Thickness:1-20mm (0.04 inch - 0.78 inch)
Material / Grade
Carbon Steel:
GB/T 8162 & 8163 & 3639: 10#, 20#, 35#, 45#, 55#, Q235B, Q235C, CF53, A105
ASTM A519: 1010, 1020, 1026, 1035, 1045, 1050
DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: C10/CK10, C22/CK22, C35/CK35, C45/CK45, CF53
JIS3441/JIS3444/JIS3445: STKM11A, STKM12A/STKM12B/STKM12C, STKM13A/STKM13B/STKM13C
JIS G4051: S10C, S20C, S25C, S35C, S45C, S55C
Alloy Steel:
GB/T 8162 & 8163 & 3639: 16Mn(Q345B), 20Cr, 40Cr, 15CrMo, 20CrMo, 28CrMo, 30CrMo, 35CrMo, 42CrMo, 20CrMnTi, 40MnMoV, 20Mn2, ZF6, 16MnCr5, 20MnCr5, 38Mn2V, 09CrCuSb(ND)
ASTM A519: 5120, 5140, 4130, 4135, 4140
DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: ST52, EN10084-1998 20Cr4, 41Cr4, 15CrMo4, 25CrMo4, 35CrMo4, 42CrMo4, 16MnCr5
JIS3441/JIS3444/JIS3445: SCM432/SCRRM3, SCM4
JIS G4053: JIS SCr420, JIS SCr440, SCM415, SCM420
Tolerance
Tolerance ±0.15mm,Superior products ±0.05mm, Can be customized according to customer's requirements
Technique
Cold Drawn / Cold Rolled
Shape
Round
Further Processing for Steel Tubes
Final Annealing, Cutting, Chamfer, Threading, Inner diameter or Outer Diameter Lathe, Surface Shot Blasting, Laser Marking
Production process
Row Material storage/inspection and cutting by saw machine
Hot Perforaction
Squeeze head and raw tube inspection
Cycling pickling
Cycling cold drawing/roling
Cycling annealing
Straightening
Eddy current inspection
Products inspection and test
Certifications 
