GOST 8731-74/8732-78 GOST 8734 10# 20# 45# Seamless Steel Hot-Worked or Hot Rolled Pipe

Model NO.
10# 20# 45#
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Construction & Decoration, Special Purpose
Section Shape
Round
Thickness
1-120 mm
Processing Service
Bending, Welding, Decoiling, Punching, Cutting
Delivery Time
8-14 Days
Length
5.8m, 6.4m, 6m, 11.8m, 12m, or as Required
Application
Fluid Pipe, Boiler Pipe
Transport Package
Standard Seaworthy Packing
Trademark
YF STEEL
Origin
Tianjin, China
Production Capacity
10000 Tons Per Month
Reference Price
$ 495.00 - 576.00
Contact Us

Product Description

GOST 8731-74/8732-78 GOST 8734 10# 20# 45# Seamless Steel Hot-Worked or Hot Rolled Pipe Carbon Seamless Steel Pipe / tubes
Seamless steel pipe is a tubular section or hollow cylinder, usually but not necessarily of circular cross-section, used mainly to convey substances which can flow - liquids and gases (fluids), slurries, powders and masses of small solids.
Hot rolled seamless steel pipe deformation process can be summarized as three stages: extension, perforation and finishing. Hot rolled seamless steel pipes is relative to the cold-rolled, cold rolling is below the recrystallization temperature of the rolling and hot rolled is carried out at above the recrystallization temperature of the rolling. Hot rolled seamless steel pipe can damage the refinement of the crystal grains of the steel, cast microstructure of the steel ingot and eliminate the defects of the microstructure so that the the steel organization compacting, improves the mechanical properties. This improvement is reflected in the rolling direction so that the steel is no longer at a certain extent isotropic; pouring the formation of bubbles, cracks and osteoporosis, under high pressure and temperature can also be welded together.
Hot Rolled Steel Pipes (Seamless Tube) in different size, specifications, grades & thickness as per the client's requirements. The range offered by tubes is available as per the international & national standard and can be available from us at affordable prices. These pipes are used in various application industry like shipbuilding, power plants, oil and gas, automotive, sugar mills and distilleries, cement and construction industries etc.
 

Product Specification

Standard API, ASTM, BS, DIN, GB, JIS
Outer Diameter 21.3mm-660mm
Wall Thickness 0.5mm-20mm
Dia Tolerance Control with in the standard, OD:±1%, WT:±10%
Materials 10#, 20#, 45#, Q235, Q345, Q195, ASTM A53/ A106/ A178/ A333/ A335, SAE1018, SAE1020, SAE1045, ST37, ST37-2, ST35, ST45, ST52, ST35.8, 19Mn5, 16Mn, SS400, Q345B, 27SiMn, 20Cr, 40Cr, 12CrMo, 15CrMo, 30CrMo, 35CrMo, 42CrMo
Zinc coating Pre galvanized steel pipe: 60-150g/m²
Hot dipped galvanized steel pipe: 200-400g/m²
Type of pipe coating Epoxy powder
Inspection ISO, BV, SGS, MTC
Packing Steel strip packed. Standard Export Seaworthy Package. Suit forall kinds of transport,or as required
Application Accessorize, machinery parts, structure steel pipe, piling pipe, sewage and clear water transportation, Line pipe for petroleum and so on
MOQ 5metric ton,sample order accepted
Shipment time Within 7-10 workdays after receiving deposit or L/C
Market Southeast Asia,   Middle East, Africa, Europe, South American   and so on

ASTM A 1020/A 1045 Seamless S teel P ipe
Chemical Composition of seamless steel pipe
Material Chemical composition (%)
C Si Mn P S Ni Cr Cu
10#, ASTM 1010, DIN CK10, JIS S10C 0.07~0.13 0.17~0.37 0.30~0.60 ≤0.035 ≤0.035 ≤0.25 ≤0.20 ≤0.25
20#, ASTM 1020, DIN CK20, JIS S20C 0.17~0.24 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035 ≤0.25 ≤0.25 ≤0.25
35#, ASTM 1035, DIN CK35, JIS S35C 0.32~0.38 0.17~0.37 0.50~0.80 ≤0.035 ≤0.035 ≤0.30 ≤0.25 ≤0.25
45#, ASTM   1045, DIN CK45, JIS S45C 0.42~0.50 0.17~0.37 0.60~0.90 ≤0.035 ≤0.035 ≤0.25 ≤0.25 ≤0.25
Mechanical Properties of seamless steel pipe
Steel material Tensile strength Mpa Yield strength Mpa Elongation   % Hardness Straightness
10#, ASTM 1010, DIN CK10, JIS S10C ≥335 ≥205 ≥31 ≤137HB 0.3~1.0
20#, ASTM 1020, DIN CK20, JIS S20C ≥410 ≥245 ≥25 ≤156HB 0.3~1.0
35#, ASTM 1035, DIN CK35, JIS S35C ≥530 ≥315 ≥20 ≤197HB 0.3~1.0
45#, ASTM   1045, DIN CK45, JIS S45C ≥600 ≥355 ≥16 ≤HRC62 0.3~1.0
 

Product Display

We can produce different sizes, thicknesses, widths and materials according to your requirements
GOST 8731-74/8732-78 GOST 8734 10# 20# 45# Seamless Steel Hot-Worked or Hot Rolled Pipe

Product Test

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.
GOST 8731-74/8732-78 GOST 8734 10# 20# 45# Seamless Steel Hot-Worked or Hot Rolled Pipe
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.
GOST 8731-74/8732-78 GOST 8734 10# 20# 45# Seamless Steel Hot-Worked or Hot Rolled Pipe

About Us

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.
GOST 8731-74/8732-78 GOST 8734 10# 20# 45# Seamless Steel Hot-Worked or Hot Rolled Pipe
Marketing  Campaign
GOST 8731-74/8732-78 GOST 8734 10# 20# 45# Seamless Steel Hot-Worked or Hot Rolled Pipe

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.

FAQ

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.

 

Steel Pipe & Tube

PNEUTEC.IT, 2023