| Customization: | Available |
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| After-sales Service: | Support Online |
| Warranty: | 1year |
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Type steel pipes are divided into: outer hexagonal and inner circular steel pipes, outer and inner hexagonal steel pipes, inner and outer hexagonal steel pipes, flat elliptical steel pipes, elliptical steel pipes, triangular pipes, L-shaped steel pipes, octagonal pipes, mushroom shaped pipes, bread shaped pipes, D-shaped pipes, concave pipes, convex pipes, umbrella shaped pipes, P-shaped pipes, Yuanbao shaped pipes and other special steel pipes according to their shapes. The shape of special steel pipes is produced according to the needs of users.
Pipeline transportation, boiler pipes, hydraulic/automotive pipes, oil/natural gas drilling, food/beverage/dairy products, mechanical industry, chemical industry, mining, construction and decoration, special applications.
| Material | C | Si | Mn | P | S | Cr | Ni | Cu | Mo |
| ASTM 5115 | 0.18 | 0.37 | 0.7 | 0.035 | 0.035 | 1 | 0.3 | 0.3 | 0.15 |
| ASTM 5120 | 0.24 | 0.37 | 0.8 | 0.035 | 0.035 | 1 | 0.3 | 0.3 | 0.15 |
| ASTM 5130 | 0.34 | 0.37 | 0.8 | 0.035 | 0.035 | 1.1 | 0.3 | 0.3 | 0.15 |
| ASTM 5140 | 0.44 | 0.37 | 0.8 | 0.035 | 0.035 | 1.1 | 0.3 | 0.3 | 0.15 |
| ASTM 5145 | 0.49 | 0.37 | 0.8 | 0.035 | 0.035 | 1.1 | 0.3 | 0.3 | 0.15 |
| ASTM 4119 | 0.15 | 0.37 | 0.7 | 0.035 | 0.035 | 0.7 | 0.3 | 0.3 | 0.55 |
| ASTM 4130 | 0.34 | 0.37 | 0.7 | 0.035 | 0.035 | 1.1 | 0.3 | 0.3 | 0.25 |
| ASTM 1335 | 0.38 | 0.35 | 1.9 | 0.035 | 0.04 | 0.2 | 0.25 | 0.35 | 0.06 |
| ASTM 4317 | 0.4 | 0.37 | 0.7 | 0.035 | 0.035 | 1.1 | 0.3 | 0.3 | 0.25 |
| ASTM 4140 | 0.45 | 0.37 | 0.8 | 0.035 | 0.035 | 1.2 | 0.3 | 0.3 | 0.25 |
| GB38CrMoAI/JIS SCM645 | 0.42 | 0.45 | 0.6 | 0.035 | 0.035 | 1.65 | 0.3 | 0.3 | 0.25 |
| ASTM 6150 | 0.54 | 0.37 | 0.8 | 0.025 | 0.025 | 1.1 | 0.3 | 0.25 | 0.1 |
| ASTM 4142 | 0.45 | 0.37 | 1.2 | 0.035 | 0.035 | 1.2 | 0.3 | 0.3 | 0.3 |
| Production Range | Outer Diameter:10-1020mm (0.4 inch - 40.16inch) |
| Wall Thickness:1-200mm (0.04 inch - 7.89 inch) | |
| Material / Grade | Carbon Steel: GB/T 8162 & 8163 & 3639: 10#, 20#, 35#, 45#, 55#, Q235B, Q235C, CF53, A105 ASTM A519: 1010, 1020, 1026, 1035, 1045, 1050 DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: C10/CK10, C22/CK22, C35/CK35, C45/CK45, CF53 JIS3441/JIS3444/JIS3445: STKM11A, STKM12A/STKM12B/STKM12C, STKM13A/STKM13B/STKM13C JIS G4051: S10C, S20C, S25C, S35C, S45C, S55C |
| Alloy Steel: GB/T 8162 & 8163 & 3639: 16Mn(Q345B), 20Cr, 40Cr, 15CrMo, 20CrMo, 28CrMo, 30CrMo, 35CrMo, 42CrMo, 20CrMnTi, 40MnMoV, 20Mn2, ZF6, 16MnCr5, 20MnCr5, 38Mn2V, 09CrCuSb(ND) ASTM A519: 5120, 5140, 4130, 4135, 4140 DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: ST52, EN10084-1998 20Cr4, 41Cr4, 15CrMo4, 25CrMo4, 35CrMo4, 42CrMo4, 16MnCr5 JIS3441/JIS3444/JIS3445: SCM432/SCRRM3, SCM4 JIS G4053: JIS SCr420, JIS SCr440, SCM415, SCM420 |
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| stainless steel: 201 202 301 304 304L 304H 309 309S 310 310S 316 316L 316Ti 321 317 317L 321 329 347 347H 409L 410 410S 420 420JI 420J2 430 431 434 436L 439 441 443 444 S20100, S20200, S30100, S30400, S30403, S30908, S31008, S31600, S31635, SUS304HTB, SUS304LTB,SUS309TB,SUS309STB,SUS310TB,SUS310STB,SUS316TB,SUS316HTB, SUS316HTB, SUS316LTB,SUS316TiTB,SUS317TB,SUS317LTB,SUS836LTB,SUS890LTB,SUS321TB, SUS409LTB, SUS410TB,SUS410TiTB,SUS430TB,SUS430LXTB,SUS430JL1TB,SUS436LTB |
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| Technique | Cold Drawn / Cold Rolled |
| Shape | Square/Rectangular |
| Further Processing for Steel Tubes | Final Annealing, Cutting, Chamfer, Threading, Inner diameter or Outer Diameter Lathe, Surface Shot Blasting, Laser Marking |
| +C(BK) | Cold drawn/hard.After the last cold forming,no heat treatment. |
| +LC(BKW) | Cold drawn/soft.After the last heat treatment follows the cold drawing there is a light finishing pass. |
| +SR(BKS) | Cold drawn and stress relieved annealed. After the final cold drawing process the tubes are stress relieved annealed in a controlled atmosphere. |
| +A(GBK) | After the final cold drawing process the tubes are stress relieved annealed in a controlled atmosphere. |
| +N(NBK) | Normalized. After the last cold drawing process the tubes are annealed in a controlled atmosphere. |
1. Who are we?
Our headquarter is located in Shandong, China. Since 2022, we have sold to North America (60.00%), Western Europe (14.00%) and South America (6.00%). There are about 11-50 people in our office.
2. How do we guarantee quality?
Always provide pre-production samples before mass production;
Always carry out final inspection before shipment;
3. What can you buy from us?
Copper, aluminum, die steel, titanium, customized machine parts
4. Why should you buy from us instead of other suppliers?
The company has 25 years of production experience. It has advanced precision production equipment, modern large warehouse, 200000 tons of inventory goods and a number of long-term stable cooperative customers.
5. What services can we provide?
Accepted delivery conditions: FOB, CFR, CIF, EXW
Accepted payment currency: US dollar, Euro, Japanese yen, Canadian dollar, Australian dollar, Hong Kong dollar, British pound, RMB, Swiss franc;
Accepted payment type: T/T, L/C, D/P D/A, PayPal;
Optional ports: Tianjin, Shanghai, Guangzhou;
Spoken: English, Chinese
6. How can we get your price?
A. We need the following information to quote for you:
1). Product Name
2). standard
3). Material grade (chemical composition)
4). dimension
5). amount
6). Special part drawin
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