| Payment Type: | L/C,D/P,T/T |
| Incoterm: | FOB,CFR,CIF,EXW |
| Transportation: | Ocean,Land,Express |
| Port: | Tianjin,Shanghai,Qingdao |
Standard: Bs, Gb, Astm, Jis, Din, Api
Material: Q195-Q345, A53-A369, 10#-45#, 16mn, Cr-Mo Alloy, St35-St52
Section Shape: Rectangular, Square, Oval, Ltz
Place Of Origin: China
Application: Fluid Pipe, Structure Pipe
Production Process: Hot Rolled
Certification: Api, Ce
Special Tube: Api Pipe
Whether Alloy: Non-Alloy
Tolerance: ±1%
Category: Welded Steel Pipe, Square tubes, Seamless Steel Pipe
Processing Service: Bending, Welding, Decoiling, Punching, Cutting
| Selling Units | : | Ton |
| Package Type | : | Standard marine packaging, or as required by the customer |
| Picture Example | : |
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Special-shaped Steel Pipe is a type of Steel Pipe. It can be said to be a general term for seamless steel pipes with other cross-sectional shapes except round pipes. There are many types of special-shaped steel pipes. The three most common ones are special-shaped seamless steel pipes with equal wall thickness, special-shaped seamless steel pipes with unequal wall thickness, and special-shaped seamless steel pipes with variable diameters.
Special-shaped steel pipe uses
Special-shaped seamless steel pipes are widely used in various structural parts, tools and mechanical parts. Compared with round pipes, special-shaped pipes generally have a larger moment of inertia and section modulus, and have greater bending and torsion resistance, which can greatly reduce the weight of the structure and save steel.
Special-shaped steel pipes can be divided into oval special-shaped steel pipes, triangular special-shaped steel pipes, hexagonal special-shaped steel pipes, rhombus special-shaped steel pipes, octagonal special-shaped steel pipes, semi-circular special-shaped steel pipes, unequal hexagonal special-shaped steel pipes, and five-petal plum blossom shaped special-shaped steel pipes, double convex special-shaped steel pipe, double concave special-shaped steel pipe, melon-shaped special-shaped steel pipe, conical special-shaped steel pipe, corrugated special-shaped steel pipe.
Other shapes
Other sizes and shapes can be customized according to the drawing.
Specification
| Product Name | Special-shaped Steel Pipe |
| Shape | Single slot Round Pipe, Double slot round pipe, Oval pipe, Flat oval pipe, Fan shaped tube, Rectangular steel tube, Trapezoidal steel pipe, Hexagon pipe, Triangular pipe, Plum blossom steel pipe etc. |
| Standard | JIS, GB, ASTM, DIN |
| Material | 20#, 45#, A106-B, 20Cr, 15CrMo, Q195, Q235, Q345, S235, S275, S355, SS400, St37, St42, 201, 304, 309, 310, 310s, 316, 316l, 400, 430, etc. |
| Technique | Seamless / Welded |
| Outer Diameter | 10~1200mm |
| Wall Thickness | 1~20mm |
| Length | 0.6m~12m / customized design |
| Surface Treatment | Hot dip galvanizing treatment, rust prevention oil treatment, sand blasting treatment, spray painting treatment, polishing treatment |
| Technology | Hot Rolled / Cold Rolled / Cold Draw |
| Test | Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. |
| Certificate | ISO, BV, SGS, MTC |
| Processing Service | Bending, Welding, Decoiling, Punching, Cutting, Moulding |
| 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 | 1 ton |
| Payment Terms | T/T, L/C, PAYMENT |
| Loading Port | Tianjin/ Qingdao/ Shanghai Port |
| Application | Construction industry, machinery manufacturing, automobile manufacturing, petroleum, natural gas, chemical industry, aerospace, electric power industry, environmental protection equipment |
| Export Market | Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, North America, etc |
| Advantages | 1. Reasonable price with excellent quality 2. Abundant stock and prompt delivery 3. Rich supply and export experience, sincere service 4. Reliable forwarder, 2-hour away from port |
Chemical Composition
| Grade of Material | Chemical Composition (%) | |||||||
| C | Mn | P | S | Si | Cr | Ni | Cu | |
| A106-A | ≤0.25 | 0.27-0.93 | ≤0.035 | ≤0.035 | ≥0.10 | ≤0.40 | ≤0.40 | ≤0.40 |
| A106-B | ≤0.30 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥0.10 | ≤0.40 | ≤0.40 | ≤0.40 |
| A106-C | ≤0.35 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥0.10 | ≤0.40 | ≤0.40 | ≤0.40 |
| 10#, AISI 1010 | 0.08~0.13 | 0.30~0.60 | ≤0.040 | ≤0.050 | 0.17~0.37 | ≤0.20 | ≤0.25 | ≤0.25 |
| 20#, AISI 1020 | 0.18~0.23 | 0.35~0.65 | ≤0.040 | ≤0.050 | 0.17~0.37 | ≤0.25 | ≤0.25 | ≤0.25 |
| 35#, AISI 1035 | 0.32~0.38 | 0.50~0.80 | ≤0.040 | ≤0.050 | 0.17~0.37 | ≤0.25 | ≤0.30 | ≤0.25 |
| 45#, AISI 1045 | 0.43~0.50 | 0.60~0.90 | ≤0.040 | ≤0.050 | 0.17~0.37 | ≤0.25 | ≤0.25 | ≤0.25 |
Mechanical Properties
| Grade of Material | Tensile Strength Mpa | Yield strength Mpa | Elongation % | Hardness | Straightness |
| A106-A | ≥330 | ≥205 | 30 | / | / |
| A106-B | ≥415 | ≥240 | 30 | / | / |
| A106-C | ≥485 | ≥275 | 30 | / | / |
| 10#, AISI 1010 | ≥335 | ≥205 | ≥31 | ≤137HB | 0.3~1.0 |
| 20#, AISI 1020 | ≥410 | ≥245 | ≥25 | ≤156HB | 0.3~1.0 |
| 35#, AISI 1035 | ≥530 | ≥315 | ≥20 | ≤156HB | 0.3~1.0 |
| 45#, AISI 1045 | ≥600 | ≥355 | ≥16 | ≤HRC62 | 0.3~1.0 |
Quality first: production and inspection in strict accordance with production standards;
Price advantage: discounts based on real market prices;
Transaction security: there will be no loss of customer funds;
After-sales guarantee: the customer's problem is our problem;
Long-term cooperation: quality assurance, price advantage, sincere service can last for a long time.
Packaging and Transportation
1) Packaging: 3 layers of packing. Inside is craft paper, Middle is water plastic film and outside GI steel sheet to be covered by steel strips with lock, with inner coil sleeve or as customers' requirements.
2) Shipping: We have long-term cooperation with many experienced shipping companies and will find the most suitable mode of transportation for you.
3) Trade terms: FOB/CIF/CFR
4) Shipping port: Qingdao/Tianjin/Shanghai
5) Shipment: A: Length: ≤6m, loaded in 20GP Container. B: Length: ≤12m, loaded in 40GP Container.
Remark: Size of 20GP Container (inside: 5898*2352*2393mm); Size of 40GP Container (inside: 12032*2352*2393mm); Size of 40HQ Container (inside: 12032*2352*2698mm).
6) Delivery time: Normal size: 7-15days send from warehouse directly. Special size: 15-30days custom made for you.
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