Seamless Steel Tubes

The steel for both seamless and welded pipe shall be made by one or more of the following processes: open-hearth, electric furnace, or basic-oxygen. The weld seam of electric-resistance welded pipe in Grade B shall be heat treated after welding.

seamless steel pipe material and standard

2.seamless steel pipe specifications

(1) Out Diameter: 1/4-40'

(2) WT: SCH5,SCH10,SCH20,SCH60,SCH80,SCH100,SCH120,SCH160,XXS

3.standard : 

(1). ASTM:ASTM A106GR.A; ASTM A106GR.B; ASTM A53GR.A; ASTM A53GR.B; 
ASTM A333; ASTM A334; ASTM A192; ASTM A210;
(2). JIS: G3452;G3457; G3454; G3456; G3461; G3454; G3455; 
STPG38; STPG38; STS38; STPT42; STB42; STS42; STS49; STPT49
(3). DIN: ST33;ST38ST35;ST42;ST45;ST52.4;ST52; TT St35N;10Ni14;15Mo3
(4). API: APL 5LAPI 5CT ;API LINE PIPE

4.Specification: 

(1). Outer Diameter:10mm---1250mm
(2). Wall Thickness: 1mm--80mm
(3). Length: 1- 12m
(4). We can also produce according to customers requirement

5.Certificates: 

(1). Environmental Management System Certificate
(2). Quality System Certificate
(3). API
(4). ISO
(5). Other certificates

6.Process Method: 

Cold Drawn
cold rolled
 Hot rolled
 ERW
 SAW
 EFW
LASW

7.Surface:

1. Manual polished
2. mechanical polished
3. black paint on the face
4. anti-rust oil and caps on both ends
5. galvanized

8Ends: Plain ends, cutting, threading, beveled, flange, etc.

Campany information

Tianjin Hongxing International Trade Limited Is A Member Of Hongxing Group .

It is mainly responsible for the exporting of steel products and equipment manchines. The company has professional sales team members who engaged in exporting business over 20 years.It has cooperated with buyers from more than 50 countries. The company is located in Tianjin city of China, a beautiful coastal city, where has Xingang port, one of the largest port in northern China.  Relying on the convenience of transportation and the advantages of industrial resources, our company has established good cooperative relations with purchasers from all over the world. The mainly markets are  including Southeast Asia, Middle East,South America, Africa, Europe,ETC.

The mother company Hongxing group has established a number of branch offices  bases in Tangshan, Beijing, Shandong,Shanghai,Ningbo,Guangzhou and Hongkong,leads to our stable and good cooperation with local  factories. Various  products can be supplied, including steel wire ,rebar ,steel pipe , etc.In addition, there are rolling welding machines, forklift trucks,  roof tile machine and other equipment products. and all of them are of good quality. We are looking for the global market sale network for many years and that is also our goals.

FAQ

1: If l don't know what kind of the product l need, what should l do?

Just take it easy,you just need to provide us "working pressure","temperature" and "media."Then, we can suggest the most suitable product to you,or we provide you our catalog for your reference,you choose the suitable model,you only need to tell us the model number.

2: If l need, can l get a free sample from your company?

Of course you can, However, maybe you need to pay freight fee.

3: Can you give me a discount?

Discount is available,but we have to see the real quantity,we have different price based on different quantity,how much discounts is determined by the quantity,moreover,our price is very competitive in the field.

well, if the quantity is so big, we may give you a big discount.

4: If l have a product wants to be made in other special material, can you do it?

Of course, you just need to provide us design drawings or sample, we will give you the most satisfactory reply.

5: Can l visit your factory?

By all means, we warmly welcome your arrival,

Before you take off from your country, please let us know.

We will show you the way and arrange time to pick you up if possible