
Q235 SPHC ERW steel pipe Cutting Chamfer Automotive Welded Steel Tube
Application:Dashboard, Seat, Anti-collision Beam, Cylinder Shock Absorber, Door (Thermoform Tube)
size:L--2~12m OD--10~76mm WT--0.5~4mmmm
Manufacture method:The steel pipe shall be made of hot rolled steel strip or cold rolled steel strip by high frequency resistance welding method
Delivery State:Steel tube should be welding or heat treatment state delivery
Grade:Q235 Q345 SPCC SPHC HC340/590DP B340/590DP HC340LA HC380LA HC420LA HC410LA HC500LA S355MC S500MC S550MC S600MC S700MC SAPH440 QSTE340TM QSTE380TM QSTM420TM QSTE500TM ST37-2G ST52-2G CR340LA CR380LA CR420LA DC01 DC02 DC03 DC04 DC05 STKM11A STKM12A STKM12B STKM12C STKM13A STKM13B STKM14A STKM14B STKM14C
Surface Quality:The internal and external surfaces of the steel tube are not allowed to have cracks, scabs, folds, delaminations, laps, and burns. Allows for scribes, scratches, misalignment of welds, burns, oxide scales, and external burr removal traces that are not more than a negative wall thickness deviation
Advantages: Good mold material, high quality of coolant and other production materials
Unit equipment
Y32Z/60 | Each one |
Automatic pipe cutting machine | 2 |
Semi-automatic pipe cutting machine | 5 |
Automatic chamfering machine | 5 |
Length processing accuracy | Automatic--±0.3mm Semi-automatic--±0.5mm |
Equipment length automatic measurement equipment | 100% online length measurement |
Equipment online laser coding equipment | 120 degree batch tracking |
Length processing accuracy | ±0.3mm |
Accuracy
OD(mm) | Accuracy |
10-25 | ±0.05 |
>25 | ±0.1(if finishing,it can reach to ±0.1) |
Test items and sampling for steel tubes
Number | Test items | Test frequency | Sampling quantity |
1 | Smelting analysis | 1/furnace | 1 |
2 | Finished product analysis | 1/furnace | 1 |
3 | Tensile test | 1/batch | 1 |
4 | Weld tensile test | 1/batch | 1 |
5 | Impact test | 1/batch | 2 groups in a time, 3 samples in a group |
6 | Flattening test | 1/batch | 1 sample on 2 pipes in each batch |
7 | Bending test | 1/batch | 1 sample on 2 pipes in each batch |
8 | Flaring test | 1/batch | 1 sample on 2 pipes in each batch |
9 | Hydraulic test | All | All |
10 | Ultrasonic testing | All | All |
11 | Eddy current testing | All | All |
12 | Galvanized layer uniformity test | 1/batch | 1/batch |
13 | Galvanized weight determination | 1/batch | 1/batch |
14 | Galvanized layer adhesion test | 1/batch | 1/batch |
Mechnical Properties
Steel Grade | Lower yield strength Re1./MPa | Tensile strength Rm/MPa | Elongation A/% | |
D≤168.3mm | D>168.3mm | |||
≥ | ||||
08,10 | 195 | 315 | 22 | |
15 | 215 | 355 | 20 | |
20 | 235 | 390 | 19 |
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!