Standard: GB/T3624, GB/T3625, ASTM B338/ASME SB338, ASTM B861/ASME SB861, DIN17861, ASTM A370
Size range: OD: 5-168mm
WT: 0.2-5.2mm
Length: 15m max
Material: Gr1, Gr2, Gr7, Gr9, Gr12, Gr16
Usage: Condenser and Heater-Exchange
Chemical Composition%
Grade | N max | C max | H max | Fe max | O max | Residual | Al | V | Pd | Mo | Cr | Si max | S max | Mn max | Cu | Oth ers | Ni | Ti | |
Each max | Total max | ||||||||||||||||||
Gr.1 | 0.03 | 0.08 | 0.015 | 0.20 | 0.18 | 0.1 | 0.4 | - | - | - | - | - | - | - | - | - | - | - | balance |
Gr.2 | 0.03 | 0.08 | 0.015 | 0.30 | 0.25 | 0.1 | 0.4 | - | - | - | - | - | - | - | - | - | - | - | balance |
Gr.3 | 0.05 | 0.08 | 0.015 | 0.30 | 0.35 | 0.1 | 0.4 | - | - | - | - | - | - | - | - | - | - | - | balance |
Gr.7 | 0.03 | 0.08 | 0.015 | 0.30 | 0.25 | 0.1 | 0.4 | - | - | 0.12-0.25 | - | - | - | - | - | - | - | - | balance |
Gr.9 | 0.03 | 0.08 | 0.015 | 0.25 | 0.15 | 0.1 | 0.4 | 2.5-3.5 | 2.0-3.0 | - | - | - | - | - | - | - | - | - | balance |
Gr.12 | 0.03 | 0.08 | 0.015 | 0.30 | 0.25 | 0.1 | 0.4 | - | - | - | 0.2-0.4 | - | - | - | - | - | - | 0.6-0.9 | balance |
Gr.16 | 0.03 | 0.08 | 0.015 | 0.30 | 0.25 | 0.1 | 0.4 | - | - | 0.04-0.08 | - | - | - | - | - | - | - | 0.6-0.9 | balance |
Grade | TS(Mpa) | YS(Mpa) | E(%), min |
Gr.1 | ≥240 | 138-310 | 24 |
Gr.2 | ≥345 | 275-450 | 20 |
Gr.3 | ≥450 | 380-550 | 18 |
Gr.7 | ≥345 | 275-450 | 20 |
Gr.9 | ≥620 | ≥483 | 15 |
Gr.12 | ≥483 | ≥345 | 18 |
Gr.16 | ≥345 | 275-450 | 20 |
Characteristic:
Good concentricity High Precision
Good surface quality Stable quality
Good OD and ID tolerance Smooth Roughness
TORICH QUALITY ASSURANCE
Who We are ?
-------A professional steel pipes materials inventor, manufacturer and solution provider Torich Interational Co.,Ltd 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
Welded Precision Steel Pipes, with DOM production
Seamless Heat Exchanger Steel Pipe
Seamless Boiler Steel Pipes
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
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
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 Haiyan Sanxin Steel Tube Co.,Ltd, 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 Co.,Ltd for international business and marketing. Welcome partners from all over the world for long term cooperation!