SHANDONG TONGMAO SPECIAL STEEL CO., LTD
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Draw Alloy Precision Steel Tube ASTM A106/A53 Large and Small Diameter Mirror Finished Seamless Steel Pipe
Chemical composition:
| Chemical composition, % | |||||||||
| steel grade | C | Si | Mn | P | S | Cr | Ni | V | Al |
| ≤ | ≥ | ||||||||
| 20# | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.250 | 0.250 | / | / |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | 0.250 | 0.300 | / | / |
| Q345B | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.030 | 0.030 | 0.300 | 0.250 | 0.08 | / |
| Q345D | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.030 | 0.030 | 0.250 | 0.250 | 0.150 | 0.015 |
| 25Mn | 0.22-0.29 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | / | / | / | / |
| 27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | 0.035 | 0.035 | 0.300 | 0.300 | / | / |
| E355(ST52) | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | 0.250 | 0.250 | / | / |
| SAE1026 | 0.22-0.28 | 0.15-0.35 | 0.60-0.90 | 0.040 | 0.050 | / | / | / | / |
Commonly used materials are 10#, 20#, 35#, 45#, 20cr, 40Cr, 20CrMo, 16mn, 27simn, 304, 201, 310s, high quality carbon structural steel.
Precision tube characteristics
characteristic
1. Smaller outside diameter.
2. High precision can do small batch production.
3. The cold drawing product has high precision and good surface quality.
4. The cross area of the steel pipe is more complex.
5. The steel pipe has better performance and the metal is dense.
Company information:
SHANDONG TONGMAO SPECIAL STEEL CO., LTD is located in Liaocheng City ,Shandong Province, China. After more than 20 years of efforts, it has grown from a family factory to a large company combined production , trade , the development of new products and services together .
The company mainly produces and sells a series of products such as copper pipe , steel pipe,steel coil, steel plate,galvanized products and aluminum products and so on.
Our company has established five platforms, including three production plants and two processing plants. Also have our own large warehouse , annual inventory of more than 50000 tons , more than 2000 kinds of products. We have comprehensive inspection and procurement to control the quality of finished products , and have a professional inspection team to test each delivery of products.
We export to more than 40 countries, including Southeast Asia, Turkey, Iran, Russia, Mexico, Brazil, India, Middle East and South Africa.
FAQ:
1.Q:Are you a factory or trading company?
A: We are manufacturers and also do export trade.
2.Q:Where is your factory located?
A: Shandong Tongmao Special Steel Co., Ltd is located in Liaocheng.