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Products
Brand: H-TONG
Standard: Gb, Astm, Jis, Din, Api
Material: Stba20-Stba26, Mn-V Alloy, St35-St52, A53-A369, Q195-Q345, 10#-45#, 16mn, Stb35-Stb42
Section Shape: Round
Place Of Origin: China
Application: Fluid Pipe, Boiler Pipe, Hydraulic Pipe, Structure Pipe
Production Process: Cold Drawn
Certification: Ce, Ul, Api
Surface Treatment: Copper Coated, Galvanized
Special Tube: Api Pipe, Thick Wall Pipe
Whether Alloy: Non-Alloy
Tolerance: ±1%
Category: Spiral Welded Pipe, Welded Steel Pipe, Seamless Steel Pipe
Processing Service: Bending, Welding, Decoiling, Punching, Cutting
Technology: Cold Drawing and Cold Rolled
Length: 5.8m ; 6m ; 12m ; Customer requirements
Brand: H-TONG
Packaging: Standard marine packaging or according to customer requirements
Productivity: 10000 Tons Per Month
Transportation: Ocean,Land,Air,Express
Place of Origin: China
Supply Ability: 10000 Tons Per Month
Certificate: CE
HS Code: 7304319000
Payment Type: L/C,T/T
Incoterm: FOB,CFR,CIF,EXW,DDP,DDU
Cold rolled precision Seamless Steel Pipe is a kind of seamless steel pipe with high dimensional accuracy and good surface finish for precision mechanical structures, hydraulic equipment or steel sleeve.
The cold working methods of steel pipes mainly include cold drawing and cold rolling. In recent years, with the development of science and technology, a cold spinning method has been developed, which can produce large-diameter, high-precision cold-rolled tubes and variable cross-section cold-rolled tubes. The raw materials of cold-rolled steel pipes can be hot-rolled seamless steel pipes or Welded Pipes. The common characteristics of the cold working method of steel pipes are high dimensional accuracy and good surface roughness. It can produce very thin (up to 0.05~0.01mm) thin-walled tubes and very thin (up to 0.3~0.1 mm in diameter) capillaries.
Seamless steel pipe is a kind of pipe with hollow section, which is widely used to transport fluids, such as oil, natural gas, gas, water and some solid materials. Compared with solid steel such as round steel, steel pipe is light in weight when its bending and torsional strength is the same. It is a kind of economic Section Steel, which is widely used in pipeline engineering.
Generally, the production process of seamless steel pipe can be divided into cold rolling and hot rolling. The appearance of cold-rolled seamless steel pipe is shorter than that of hot-rolled seamless steel pipe. The wall thickness of cold-rolled seamless steel pipe is generally smaller than that of hot-rolled seamless steel pipe. But the surface looks brighter than that of thick wall seamless steel pipe. The surface is not too rough, and the diameter is not too much burr.
In order to obtain seamless pipes with smaller size and better quality, cold rolling, cold drawing or a combination of the two methods must be used.
High precision cold drawn precision steel pipe is a new type of steel pipe, which is mainly characterized by high precision. There are usually two production processes of two high mill and three high mill. The precision of three high mill in producing cold rolled seamless steel pipe is higher, which can be controlled within a few wires, but the price is relatively higher
The product specification range of cold rolled steel pipe is: outer diameter 4.0 ~ 450mm; The wall thickness is 0.04 ~ 60mm. Compared with the cold drawing method, the advantage of the periodic cold rolling method is that the shrinkage of the pass surface is large, there is no need for difficult head, and the yield is high.
Common specifications of cold drawn steel pipes:
12mm 14mm 18mm 20 mm 25mm 28mm 30mm 32mm 35mm 38mm 40mm 42mm 52mm
1. SA179/SA192 CHEMICAL AND MECHANICAL COMPONENT:
ASTM A179/(ASME SA179) | |
Seamless Cold Drawn Low Carbon Steel Heat Exchanger And Conderser Tubes | |
Application: | For tubular heat exchangers,condensers,and similar heat transfer apparatus. |
Size(mm): | O.D.:6.0~114.0mm W.T.:1~15mm L:max 18000mm |
Chemical Composition | C | Mn | P≤ | S≤ | Si≤ |
0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 | 0.25 |
OD In (mm) | + | - | WT In(mm) | + | - |
<1(25.4) | 0.10 | 0.10 | ≤1.1/2(38.1) | 20% | 0 |
1~1.1/2(25.4~38.1) | 0.15 | 0.15 | >1.1/2(38.1) | 22% | 0 |
>1.1/2~<2(38.1~50.8) | 0.20 | 0.20 | |||
2~<2.1/2(50.8~63.5) | 0.25 | 0.25 | |||
2.1/2~<3(63.5~76.2) | 0.30 | 0.30 | |||
3~4(76.2~101.6) | 0.38 | 0.38 | |||
>4~7.1/2(101.6~190.5) | 0.38 | 0.64 | |||
>7.1/2~9(190.5~228.6) | 0.38 | 1.14 |
ASTM A192/A192M-02 | |
Seamless Carbon Steel Bolier Tubes for High-Pressure | |
Application: | For seamless carbon steel bolier and superheater tubes for high-pressure service |
Size(mm): | O.D.:6.0~114.0 W.T.:1~15 L:max 18000 |
Chemical Composition | C | Mn | P≤ | S≤ | Si≤ |
0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 | 0.25 |
Product Categories : Steel Pipe > Carbon Steel Pipe
Home > Products > Steel Pipe > Carbon Steel Pipe > Cold Drawn Low Carbon Steel Pipe
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Mr. Hui tong
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Email:sales@cnmetalsupply.com
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.