- Overview
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Basic Info.
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape
Special Shaped / Custom Shaped
Standard
ASTM, DIN, GB, JIS
Grade of Material
20#, 45#, A106, Q195, Q235, Q345
Certificate
ISO, BV, SGS, Mtc
Processing Service
Bending, Welding, Decoiling, Punching, Cutting
MOQ
1 Ton
Transport Package
Standard Sea Export Packing or as Required
Trademark
YF STEEL
Origin
Tianjin, China
Production Capacity
10000 Tons Per Month
Product Description
Special-shaped seamless steel pipe is the general name of seamless steel pipe with other section shapes except round pipe. According to the different steel pipe section shape and size, it can be divided into equal wall thickness special-shaped seamless steel pipe, unequal wall thickness special-shaped seamless steel pipe, variable diameter special-shaped seamless steel pipe. Steel pipe shaped pipe can be divided into oval shaped steel pipe, triangular shaped steel pipe, hexagonal shaped steel pipe, diamond shaped steel pipe, octagonal shaped steel pipe, semicircular shaped steel pipe, unequal hexagonal shaped steel pipe, five valve plum shaped steel pipe, double convex shaped steel pipe, double concave shaped steel pipe, melon shaped shaped steel pipe, conical shaped steel pipe, corrugated shaped steel pipe.
| 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, etc. |
| Technique | Seamless / Welded |
| Outer Diameter | 10~120mm |
| Wall Thickness | 1~20mm |
| Length | 0.6m~6m / 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 |
We can produce different sizes, shapes, thicknesses, widths and materials according to your requirements
Other shapes Other sizes and shapes can be customized according to the drawing.
We will control the quality from part of material steel pipe, each pipe produced will be have it is own identify label, quality will check the chemical component and physical property and then provide material test certificate. Size dimension will be checked and show pictures to customer to guarantee all goods will be meet requirement. 
Accept inspection from a third party designated/paid by the buyer, such as SGS, BV.
Recognized by customers in Malaysia, Indonesia, Singapore, the Philippines, Australia, Peru and the United Kingdom. We have ISO9001/18001, CE certificates.
Our company is a steel supplier from China, located in Tianjin City, one of the largest steel producers in China. The company integrates the manufacturing, wholesale, material processing and warehousing of stainless steel, aluminum, copper and carbon steel materials, and has established long-term and stable cooperative relations with many well-known steel plants, such as Tisco, Baosteel, Hongwang, Zhangpu, Liangzhong and Jiugang. Mainly products cover carbon steel tubes, stainless steel tubes, galvanized steel coil, ppgi steel coil, stainless steel coil, carbon steel coil and carbon steel profiles, gi wire, hollow anchor bar, section steel, steel rebar etc. Our company is equipped with plasma cutting machine, coil flattening equipment, laser cutting machine, 8K mirror, frosted wire drawing, filming and titanium plating equipment, which can flatten, split, shear, oil mill wire drawing, and roll oil film wire drawing on stainless steel materials, 8K mirror, titanium and other processing.
In addition, the company's characteristic business: zero-cutting, rounding, square cutting, special-shaped cutting, castings, forgings, product thicknesses up to 150mm, various special materials and specifications can be customized to steel mills.
Companies adhering to the "efficient, win-win" business philosophy, continue to provide customers with professional, quality products and value-added services, continuous progress and learning to meet customer needs. Now the company has entered the period of rapid development of global trade, looking forward to more cooperation.
Marketing Campaign
The special-shaped seamless steel pipe is widely used in various structural parts, tools and mechanical parts. Compared with the round pipe, the special-shaped pipe has larger inertia moment and section modulus, larger bending and torsion resistance, which can greatly reduce the structure weight and save steel. 
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.
Q1:Can you send samples? A:Of course, we can provide customers with free samples and express shipping service to all over of the world.
Q2:What product information do I need to provide?
A:Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.
Q3:It's my first time to import steel products, can you help me with it?
A:Sure,we have agent to arrange the shipment, we will do it together with you.
Q4:What ports of shipment are there?
A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can specify other ports according to your needs.
Q5:What about product prices information?
A:Prices various according to periodic price changes of raw materials.
Q6:What is your terms of payment ?
A:Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment or based on BL copy or LC at sight.
Q7:Do you provide custom made Products service?
A: Yes,if you have your own design , we can produce according to your specification and drawing.
Q8:What are the certifications for your products?
A:We have ISO 9001, MTC, third parties' inspections are all available such SGS, BV ect.
Q9:How long does your delivery time take?
A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
Q10: How many countries you already exported to?
A:We have exported to America, Canada, Brazil, Chile, Colombia, Russia, Ukraine, Thailand, Myanmar, Vietnam, India, Kenya, Ghana,somalia and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.
Q11:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.
Q12:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed and customers can appoint third parties to inspect the products before loading too.
Q13:How to pack the products?
A: Standard export sea-worthy packaging, the inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion and various climate changes during ocean transportation.
Q14:What is your working time?
A:In general, our online service time is Beijing time: 8:00-22:00, after 22:00, we will reply to your inquiry in the coming working day.