
Excellent OD / ID Controlled Special Steel Pipe Cold Drawn Shaped Steel Tubes GB/T 3094
China leading manufacturers and suppliers of Special Pipes, and we are specialize in Engineering Special Steel,Elliptical Steel Tube,Triangle Steel Tube, Profile Steel Tube,Profile Steel Pipe,etc.
TORICH is specialized in producing and manufacturing profile steel pipes in China, and we can make different shapes of profile steel tubes according to customers drawing and design.
Seamless Special Pipes/special pipe,profile steel pipe, Seamless Special Pipes are produced by Seamless Cold Drawn with Special Mandre and Die to achieve specific shapes for different applications,
like Agricultural Parts, Machinery Parts, Auto Parts, Steering
Drive Shaft, profile steel tube,High Pressuer Boilers etc
Seamless Rectangle Steel Tubes,
Seamless Rectangle Steel Pipes,
Seamless Square Steel Tubes,
Seamless Square Steel Pipes,
Seamless Omega Steel Tube,
Seamless Omega Steel Pipes,
Seamless Hexagonal Steel Tube
Outside Hexagonal and Inside Round Steel Tube,
Outside Round and Inside Hexagonal Steel Tube,
Seamless Elliptical Steel Tube,
Seamless Oval Steel Tube,
Multi Lead Rifle (MLR) Steel Tube
Steel Grade:
10#/ 20#/ 35#/ 45#/ Q195/ Q215/ Q235/ Q295/ Q345/ Q390
Application:
Used in structural parts, tool and machinery parts
Production method:
Cold drawn
Tube Type:
Seamless tube according to the Chinese standard GB/T 3094, or welded tube according to customers' request
Tolerance:
According to the following tables, or according to customers` request.
Tolerance for the width | |||
Size(mm) | Tolerance(mm) | ||
General | High Grade | ||
Width A / B | ≤30 | ±0.30 | ±0.20 |
>30-50 | ±0.40 | ±0.30 | |
>50-75 | ±0.80%A ±0.80%B | ±0.70%A ±0.70%B | |
>75 | ±1%A ±1%B | ±0.8%A ±0.8%B |
Tolerance for wall thickness | |||
Size(mm) | Tolerance(mm) | ||
General | High Grade | ||
Width A / B | ≤1.0 | ±0.18 | ±0.12 |
>1.0-3.0 | +15% WT -10% WT | +12.5% WT -10% WT | |
>3.0 | +12.5% WT -10% WT | ±10% WT |
Edge bumpiness for the Tube:
According to the following tables, or according to customers` request.
Edge bumpiness | |||
Size(mm) | Tolerance(mm) | ||
General | High Grade | ||
Width A / B | ≤30 | 0.20 | 0.10 |
>30-50 | 0.30 | 0.15 | |
>50-75 | 0.80% | 0.50% | |
>75 | 0.90% | 0.60% |
Bending:
For General tube, the bending should be ≤4.0mm/m, and the total straightness should be ≤0.4%.
For High Grade tube, the bending should be ≤2.0mm/m, and the total straightness should be ≤0.2%.
Mechanical Property:
Steel Grade | Tensile Strength MPa | Yield Strength MPa | Elongation % |
No less than | |||
10 | 335 | 205 | 24 |
20 | 390 | 245 | 20 |
35 | 510 | 305 | 17 |
45 | 590 | 335 | 14 |
Q195 | 315 | 195 | 22 |
Q215 | 335 | 215 | 22 |
Q235 | 375 | 235 | 20 |
Q295 | 430 | 295 | 22 |
Q345 | 510 | 345 | 21 |
Q390 | 530 | 390 | 18 |
Shape of ends:
Both ends of the pipe should be cut to a complete end surface perpendicular to the axis and burs shall be removed from the ends.
Delivery condition:
Cold Drawn, heat treatment is also acceptable.
Product Images:
TORICH INTERNATIONAL LIMITED
Who We are ?
-------A professional steel pipes materials inventor, manufacturer
and solution provider
Torich International Limited is a professional manufacturer
and exporter of steel pipes materials. It is an international
marketing and sales company specialized in steel tubes, which holds
the factories of Seamless Steel Tubes with Carbon and Alloy Steel
Grade, Welded Precision Steel Tubes,DOM Steel Tubes, Seamless &
Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.
Our factory was established since 1997, with the name of Haiyan
Sanxin Steel Pipe Co., Ltd. The factories’ technicians are of great
engineering experience in steel pipe industry for more than 20
years, which are in great command of production technology for Cold
Drawing and Cold Rolling. So we have strong technician team and
manufacturing capability.
What products we do?
------- Invent and produce various Precision Steel Pipes
Our steel pipes cover the following ranges:
Seamless Precision Steel Pipes
Bearing Steel Tubes
Welded Precision Steel Pipes, with DOM production
Seamless Heat Exchanger Steel Pipe
Seamless Boiler Steel Pipes
Honed Tubes
Hydraulic Cylinder Steel Tubes
Hydraulic Telescopic Cylinder Tubes
Seamless Structural Steel Pipes
Seamless Mechanical Steel Pipes
Seamless Alloy Steel Tubes & Pipes
Seamless Stainless Steel tubes
Welded Stainless Steel Tubes
Seamless Stainless Steel Tubes & Pipes
Welded Stainless Steel Tubes & Pipes
Seamless Carbon Steel Tubes & Pipes
Nickel Alloy Steel Tubes & Pipes
What TORICH do:
1. Producing Steel Tubes
2. Selling both on Domestic and International Market
3. Precisely Targeting Customers’ Requirement- Sourcing the right
factory for right products for Customers
Products Application:
Oil Cylinders
Air Cylinder,
Automotive Cylinder Liners
Boilers, Pressure Vessels
Shell & Heat Exchangers
Jack Lifting
Telescopic Systems
Pneumatic Cylinders
Agricultural Machineries
Size range is:
O.D. 4-350mm,
W.T. 0.5-30mm,
Length: according to customer’s requirement and agreement
Steel Grade:
Carbon Steel Grade:
ST35.8, ST37.0, ST44, ST52;
E155, E195, E215, E235, E275, E355;
195GH, P235GH, P265GH, P195TR1, P195TR2, P235TR1, P235TR2, P265TR1,
P265TR2;
SAE1010, SAE1020, SAE1026, SAE1035, SAE1045;
Carbon steel tube: SA178, A179, A192, A210, SA213, SA214, etc.
Alloy Steel Grade:
T2, T5, T9, T11, T12, T17, T21, T22, T91,T92, 15Mo3,16Mo3,
13CrMo44;
SAE4130, SAE4140, 40Cr, 40Cr4, 10CrMo910, 12CrMo910, 11CrMo910,
25CrMo4, 35CrMo, 35CrMo4, 42CrMo4, 34CrMo4, 20MnV, 20MnV6,20CrMn;
Carbon steel tube: A179,A192,A210,DIN17175,etc.
Bearing Steel Grades:
GCr15 52100 suj2 suj3 100Cr6 SKF3S SKF3S 20CrNiMo 8620H 4118H;
Nickel Alloy Grade:
N02200/2201, N04400, N06600, N06601, N06625, N06852, N06219,
N06690, N08800/8810/8811, N08825, N08028, N08535, N08904, N08925,
N08926, N010276, N06022, etc.
Austenitic/Super Austenitic Stainless Steel Grade:
304/304L, 316/316L, 314, 321, 347H, 316Ti, 316LMod, 317L/N, 310S,
253MA, 330, 904L, S31254, XM-19, etc.
Ferrite/Martensite Stainless Steel Grade:
TP410, TP405, TP420, TP430, TP430Ti, TP403, TP409, TP444, TP439,
TP446, etc.
Duplex/Super Duplex Stainless Steel Grade:
S31803, S32304, S31500, S32550, S32750, S32760, etc.
Corporate Culture:
We focus on Quality First, Quality Traceability, and Quality
Stability!
We focus on Customer First, People First, and Quality-Oriented!
Success:
First factory started in 1997, in the name of Torich , now covers
50000 square meters of factory building, with more than
100employees, and over 45 million RBM assets.
In 2008, we started the company of Torich International
Limited for international business and marketing.
Welcome partners from all over the world for long term cooperation!