bright seamless steel tubes NBK condition

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Product detail:

bright seamless steel tubes NBK condition 

 

Hi,this is maria,thanks very much for your interesting to our products,If you want such steel tubes and pipes,or the standard is not listed above,pls do not hesitate to contact me at once.pls tell me,it's my honor to service you!

Tel:+86-18921988727

 

Zhangjiagang Huadian Import & Export Co., Ltd is a company based in China, we have two factories, one factory manufactures steel tubes and the other factory produces power station equipment.

Jiangsu Dehai Group (Parent Company)

Zhangjiagang Huadian Im &Ex Co., Ltd (Subsidiary)

Zhangjiagang Huagang IndustrialCo.,Ltd (Factory)

 

Specializes in the production of cold-drawn/cold-rolled precision seamless steel tubes,such as 

bright oil tubes etc.

Zhangjiagang Huadian Power 

Equipment Co.,Ltd (Factory)

A manufacturer of power station boiler, industrial boiler, 

waste heat boiler, refusefired boiler, biomass boiler 

and the correlated pressure parts integrating the design, 

manufacture, installation, repair and maintenance

 

Conditions on delivery

Term

Symbol

Explanation

Cold-finished/hard
(cold-finished as-drawn)

BK

No heat treatment after the last cold-forming process. 

The tubes therefore have only low deformability.

Cold-finished/soft
(lightly cold-worked)

BKW

After the last heat treatment there is a light finishing pass (cold drawing) 

With proper subsequent processing, the tube can be cold-formed (e.g. bent, expanded) within certain limits.

Annealed

GBK

After the final cold-forming process the tubes are annealed 

in a controlled atmosphere or under vacuum.

Normalized

NBK

The tubes are annealed above the upper transformation point 

in a controlled atmosphere or under vacuum.

 

Features

Name

bright seamless steel tubes

Standard

Meet or exceed ASTM,ASME,API,ANSI and DIN standards.

ASTM A106/A179/A192/A210/A213/A519 etc.

DIN2391/DIN17175/EN10305 etc

GB8162/GB8163/GB3639 etc

MaterialSt35,St45,St52,E215,E235,E355,10,20, A106,A179,A192,A210,T11,T22,T12 etc
Size

Outer diameter:3-130mm

Wall thickness:0.5-10mm

Length:max13400mm,generally 6000mm or so,can be cut shorter as per your need

Application

Cold drawn or cold rolled precision seamless steel tubes for hydraulic pressure and pneumatic services.
For Auto use,machinery use,oil cylinder tube,motorcycle shock reducer use,auto shock reducer inner cylinder,etc.

Seamless steel pipes for low and medium pressure boiler, high pressure boiler, ship-building,Liquid service, petroleum cracking, chemical fertilizer equipment,Drawing-oil-equipment and structure purposes.

Business scope

DIN series cold drawn precision seamless steel tubes

DIN series cold rolled precision seamless steel tubes

Related coated and galvanized steel tubes

Rustproof phosphyorylated tube

Main characteric

No Oxidation Layer on the outer and inner walls;

No Leakage under high pressure;

No Crake under flating and flattening;

No distortion after cold bending;

High precision high cleanness;

Excellent brightness

 

Standards and Application

Production StandardApplication
DIN2391Seamless Precision Steel Tubes for mechanical and automotive engineering.
EN10305-1Seamless Steel Tubes for precision applications
DIN17175Seamless Tubes of Heat resistant Steels used in Boilers, Pressure vessels & equipment for service upto 600° C and at high pressures.
ASTM A106/SA106Seamless Carbon Steel Pipes for High - Temperature Service.
ASTM A179/SA179Seamless Cold-Drawn Low-Carbon Steel tubes  for Heat-Exchanger and Condenser.
ASTM A192/SA192Seamless Carbon Steel Boiler Tubes for High-Pressure Service.
ASTM A210/SA210Seamless Medium-Carbon Steel Tubes for Boiler and Super heater.

 

Delivery Conditions
BK,BKS,BKW,NBK,GBK( As drawn, quenched and tempered, normalized, annealed, stress-relieved)

As different requirements,It including pickling,etc. AS per Standard.

 

Packing
1.Standard Packing-buddle with steel strips and cover with plastic bags outside.
2.Woodbox Packing

3.Also according to customer's requirements.

 

Other Test
1.Hydrostatic or Nondestructive Electric Test
2.Heat Treatment: according to Standard
3.Surface Condition:According to Standard.
4.Grain Size:According to standard
5.Sampling:flattening,flaring,grain size,Marking 

 

 

The tube billets for the steel tubes manufactured by our company is the high quality tube billets supplied by Xingcheng Special Steel Mill and BaoSteel Corp. In the process of the production, the operation is conducted rigidly as ISO9001:2000 Quality System with domestically advanced production management and quality control. For the manufacturing techbique in terms of heat treatment, unique and fully mature advanced heat treatment technology is adopted.

 

Quality wins the market ,science & technology creates the future. We will touch clients’ hearts with our specialized technology; technology and innovation are our actual power to go ahead, they drive us to find the answers before questioned by our clients; the good quality is our core volume; we take our advanced technology as our core competitiveness, and it is also the generator of developing our brand.

 

Jiangsu Dehai Group(Parent Company)

 

Zhangjiagang Huadian Im &Ex Co., Ltd

Enterprise Purpose

Providing you with the best solutions of high –quality precision seamless steel pipe

Target Market

Southeast Asia; Mid East ;South America; Eastern Asia, etc

 

ISO9001:2000; TS16949

Main Produce Standard

GB; ASTM ; DIN;

Address

Zhangjiagang(not far from Shanghai, Suzhou; Wuxi)

 

 
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