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DIN 17175 St45.8 Petroleum Cracking Steel Tube
  • DIN 17175 St45.8 Petroleum Cracking Steel Tube
  • DIN 17175 St45.8 Petroleum Cracking Steel Tube
  • DIN 17175 St45.8 Petroleum Cracking Steel Tube
  • DIN 17175 St45.8 Petroleum Cracking Steel Tube
Packaging: 1.plastic cap with both ends 2.Coated with anti-rust oil 3. steel strips bundled 4. wooden case/wooden pallet package 5.container or bulk 6. special according to customer request.
Transportation: Ocean,Land,Air,Express
Supply Ability: 10000 Tons per Month
Certificate: ISO
HS Code: 730419
Port: Tianjin Port,Qingdao Port,Shanghai Port
Basic Info

Model No.: DIN 17175 St45.8

Product Description

DIN 17175 St45.8 Petroleum Cracking Steel Tube.Petroleum cracking seamless steel pipe is a kind of long steel with hollow section and no joint around. Petroleum cracking pipe is a kind of economic section steel. It is widely used to manufacture structural parts and mechanical parts, such as oil drill pipe, automobile transmission shaft, bicycle frame and steel scaffold used in construction. The manufacture of annular parts with petroleum cracking pipe can improve the utilization rate of materials, simplify the manufacturing process, and save materials and processing hours, such as rolling bearing ring, jack sleeve, etc. at present, steel pipe has been widely used to manufacture. Petroleum cracking tube is also an indispensable material for all kinds of conventional weapons. The barrel and barrel should be made of petroleum cracking tube. According to different cross-sectional area and shape, petroleum cracking pipe can be divided into round pipe and special-shaped pipe. Because the area of petroleum cracking pipe is the largest under the condition of equal circumference, more fluid can be transported with circular pipe.
Steel Pipe Coil Plate Sheet Tube

Product Name
DIN 17175 St45.8 Petroleum Cracking Steel Tube
DIN 17175 St45.8

JIS:G3461 STB42
Din :17175 St45.8

Hot Rolled ,Cold Rolled,Cold Drawn,Hot Expended
Chemical Composition






Mechanical Property

Tensile strength σ b (MPa):410-530
Yield strength σ s (MPa):245-255
Elongation δ (%):≥21

Control with in the standard, OD:+/-1%, WT:+/-5%

Widely used in automobiles, motorcycles, gas springs, hydraulic machinery,

construction machinery and refrigeration industry

Payment Terms
1.FOB 30%T/T,70% Before shipment
2.CIF 30% Pre-payment , Balance must be paid before shipment
3.Irrevocable 100% L/C at sight
Third Party Inspection

1.Short delivery time

2.Quality assurance

3.Competitive price,

4.Free Sample

Delivery Time
Within 25 days after receipt of advance payment

Seamless Steel Pipe Coil Plate Sheet Tube

Carbon Seamless Steel Pipe

Galvanized Steel Pipe Coil Plate Sheet Tube

1. The main production process of hot-rolled seamless steel pipe (main inspection process):
Tube blank preparation and inspection→tube blank heating→piercing→tube rolling→steel reheating→fixed (reduced) diameter→heat treatment △→finished tube straightening→finishing→inspection (non-destructive, physical and chemical, Taiwan inspection)→warehousing
2. The main production process of cold-rolled (drawn) seamless steel pipes:
Billet preparation→pickling lubrication→cold rolling (drawing)→heat treatment→straightening→finishing→inspection

Seamless Carbon Steel Pipe

Steel Pipes Coils Plates Sheets Tubes

Our products aye widely used in water engineering,petrochemical industry,chemical industry,electric power industry,agricultural irrigation,urban construction.

Used for liquid conveying:water supply and drainage.For gas transport:gas,steam,liquefier petroleum gas.

For structural use:as pile pipe,as a bridge;Pipes for wharves,roads and building structures.

seamless steel pipe

Steel Pipe Coil Plate Sheet Tubing

Seamless Steel Tube

Steel Seamless Pipe Coil Plate Sheet Tube

Q: Are you a manufacturer?
A: Yes , we are a seamless steel pipe manufacturer, We have own factory, which is located in Shandong,China. We have a leading power in producing and exporting hot rolled seamless steel pipe,cold rolled seamless steel pipe,cold drawn seamless steel pipe and alloy seamless steel pipe etc. We promise that we are what you are looking for.
Q:Can we visit your factory ?
A:Warmly welcome once we have your schedule we will pick you up .
Q: Do you have quality control?
A: Yes, we can accept BV, SGS third inspection .
Q: Can you arrange the shipment?
A: Sure, we have permanent freight forwarder who can gain the best price from most ship company and offer professional service.
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 25-35 days if the goods are not in stock, it is according to quantity.
Q:How can we get the offer?
A:Please offer the specification of the product,such as material,size,shape,etc.So we can give the best offer.
Q:Can we get the some samples?Any charges?
A:Yes,you can get available samples in our stock.Free for real samples,but customers need to pay the freight cost.
Q: How do you make our business long-term and good relationship ?
A: 1.We keep good quality and competitive price to ensure our customers' benefit.
2.We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Liaocheng Changyi Metal Material Co.,Ltd

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  LIAOCHENG CHANGYI METAL MATERIAL CO., LTD. is located in Shandong Province, a steel production base. It is a large-scale iron and steel enterprise integrating production, processing and sales. With good reputation, high-quality products, strong strength and low prices, it is well-known all over the country. Our company has been engaged in domestic trade for more than ten years and has rich experience in trade. In 2016, we opened the market to foreign countries. Now we have more than 1000 tons in stock, more than 800 kinds of specifications. These products are suitable for engineering, coal mining, textile, electric power, boiler, machinery, military and other fields. Our main products are stainless steel, galvanized steel, carbon steel and so on. In many important fields, by virtue of excellent product quality, good reputation and innovative marketing concepts, it sells well at home and abroad. We have excellent sales performance and network. The company's annual sales volume is more than 300,000 tons, and the sales volume hits new highs year after year. Changyi always aims at product quality and customer interests, and constantly strives to improve steel performance and customer service. So far, our products have been exported to Malaysia, Vietnam, Singapore, the United States, Greece, Russia, Mexico, Australia, Canada, Chile, Peru, Colombia, South Africa, Guyana and other countries and regions. Our company has a group of international sales staff who are familiar with steel and are familiar with export business and certificate process. We have multiple warehouses and have import and export licenses to provide one-stop, professional trade services for brand steel from procurement, quality inspection, warehousing, LCL to export.

Company Info
  • Company Name: Liaocheng Changyi Metal Material Co.,Ltd
  • Representative: Liu Li
  • Product/Service: Carbon Steel Pipe , Alloy Steel Pipe , Carbon Steel Coil , Galvanize Steel Coil , Carbon Steel Plate , Stainless Steel Plate
  • Capital (Million US $): 2000000
  • Year Established: 2021
  • Total Annual Sales Volume (Million US $): US$2.5 Million - US$5 Million
  • Export Percentage: 61% - 70%
  • Total Annual Purchase Volume (Million US $): US$2.5 Million - US$5 Million
  • No. of Production Lines: 5
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: Fewer than 5 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): Below 1,000 square meters
  • Factory Location: Guangping Township, Dongchangfu District, Liaocheng City, Shandong Province, China
  • Contact Person: Mr. lee
  • Tel: 86-0635-15864350397
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