| Customization: | Available |
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| After-sales Service: | Support Online |
| Warranty: | 1year |
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Specially shaped seamless steel pipes are a general term for seamless steel pipes with other cross-sectional shapes except for circular pipes. According to the different cross-sectional dimensions of steel pipes, they can be divided into equal wall thickness irregular seamless steel pipes (code D), unequal wall thickness irregular seamless steel pipes (code BD), and variable diameter irregular seamless steel pipes (code BJ). Specially shaped seamless steel pipes are widely used in various structural components, tools, and mechanical components. Compared with circular pipes, special-shaped pipes generally have larger moments of inertia and cross-sectional modulus, and have greater bending and torsion resistance, which can greatly reduce structural weight and save steel.
| Grade | C | Si | Mn | Cr | Ni | Mo | P | S | Cu |
| 20Mn2/1320 | 0.17-0.24 | 0.17-0.37 | 1.40-1.80 | ≤0.30 | ≤0.30 | ≤0.10 | ≤0.030 | ≤0.030 | ≤0.30 |
| SMn420 | 0.17-0.23 | 0.15-0.35 | 1.20-1.50 | ≤0.35 | ≤0.25 | ≤0.030 | ≤0.030 | ≤0.30 | |
| 1524 | 0.19-0.25 | 0.15-0.30 | 1.35-1.65 | - | - | ≤0.040 | ≤0.050 | ≤0.20 | |
| 22Mn6 | 0.18-0.25 | 0.10-0.40 | 1.30-1.65 | ≤0.40 | ≤0.40 | ≤0.10 | ≤0.025 | ≤0.035 | ≤0.30 |
| 18Mn5 1.0436 |
0.15-0.20 | ≤0.40 | 0.90-1.60 | ≤0.30 | ≤0.30 | ≤0.08 | ≤0.025 | ≤0.015 | ≤0.30 |
| 30Mn2 | 0.27-034 | 0.17-0.37 | 1.40-1.80 | ≤0.30 | ≤0.30 | ≤0.10 | ≤0.030 | ≤0.030 | ≤0.30 |
| SMn433 | 0.30-0.36 | 0.15-0.35 | 1.20-1.50 | ≤0.35 | ≤0.25 | - | ≤0.030 | ≤0.030 | ≤0.30 |
| 1330 | 0.28-0.33 | 0.15-0.35 | 1.60-1.90 | ≤0.20 | ≤0.25 | ≤0.60 | ≤0.035 | ≤0.040 | ≤0.35 |
| 28Mn6 | 0.25-0.32 | 0.10-0.40 | 1.30-1.65 | ≤0.40 | ≤0.40 | ≤0.10 | ≤0.025 | ≤0.035 | ≤0.30 |
| 1.1170 | 0.25-0.32 | ≤0.40 | 1.30-1.65 | ≤0.40 | ≤0.40 | ≤0.10 | ≤0.030 | ≤0.035 | ≤0.30 |
| 1.7228/55NiCrMoV6G /60CrV/50CrMo4/50CrMo4/ | 0.46-0.54 | 0.17-0.37 | 0.5-0.8 | 0.9-1.2 | ≤0.30 | 0.15-3 | ≤0.03 | ≤0.03 | ≤0.03 |
| Product name | special shape seamless steel pipe |
| Material | 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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| Standard | JIS,GB,ASTM,AISI DIN, |
| Technique | seamless |
| OD | 10~120mm |
| Wall Thickness | 1~20mm |
| Length | 0.6m~6m/customized design |
| Technology | Cold Draw/Cold Rolled |
| Brand | Meide |
| Packaging | 1. Bundle packing. 2. Bevelled end or plain end or warnished as per buyer's required. 3. Marking: as per customer's requests. |
| MOQ | 3 ton |
| Payment Terms | T/T |
| Testing | Chemical Component Analysis, Mechanical Properties, Exterior Size Inspection, hydraulic testing etc. |
| Application | Structure pipe; High and low pressure boiler tube; Liquid delivery; Seamless steel pipe for petroleum cracking ,Oil pipe,Gas pipe |
| Advantages | 1.Reasonable price with excellent quality 2.Abundant stock and prompt delivery 3.Rich supply and export experience, sincere service |
1. For the storage of special-shaped steel pipe products, the site or warehouse should be selected in a clean and tidy place with smooth drainage, and away from factories and mines with harmful gases or dust. The ground should be cleaned of weeds and all debris to maintain the cleanliness of the steel.
2. In the warehouse, it is not allowed to stack materials that have a corrosive effect on steel, such as acid, alkali, salt, and sensitive soil. Different types of steel should be classified and stacked to avoid confusion and contact with corrosive objects.
3. Large steel pipes, rails, steel plates, large-diameter steel pipes, forgings, etc. can be stacked outdoors.
4. Small and medium-sized shaped steel, wire rods, steel bars, medium diameter steel pipes, steel wires, and wire ropes can be stored and placed in a well ventilated material shed, and it is important to remember to cover the top and cushion the bottom.
5. Small scale steel, thin steel plates, steel strips, small diameter or irregular steel pipes, various cold-rolled and cold-drawn steels, as well as expensive and easily corrosive metal products, can be stored and placed in storage.
6. The warehouse should be selected based on geographical conditions, and ordinary closed warehouses should be used when deemed appropriate, that is, warehouses with roofs, walls, tight windows, and ventilation devices.
7. The warehouse requires frequent maintenance of a suitable storage background, with attention to ventilation on sunny days and closed to prevent moisture on rainy days.
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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