cold drawn seamless steel pipes for precision application

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Product detail:

cold drawn seamless steel pipes for precision application

 

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

 

Tube according to EN10305-1 are characterized by having precisely defined tolerance on dimensions and a specified surface roughness.Typical fields of application are vehicles,furnitures and general engineering industry.

 

Delivery conditions

Designation	Symbol	Description
Cold Drawn/hard	+C	Not heat treatment after the final cold drawing process
Cold Drawn/soft	+LC	After the final heat treatment there is a suitable drawing pass
Cold Drawn and Stress Relieved	+SR	After the final cold drawing process there is a stress relief heat treatment in a controlled atmosphere
Annealed	+A	After the final cold drawing process the tubes are annealed in a controlled atmosphere
Normalized	+N	After the final cold drawing operation the tubes are normalized in a controlled atmosphere

 

Chemical Composition(Cast Analysis)

Steel Grade		% by mass
Steel Name	Steel Number	C max	Si max	Mn max	P max	S max	Al min
E215	1.0212	0.10	0.05	0.70	0.025	0.025	0.025
E235	1.0308	0.17	0.35	1.20	0.025	0.025	-
E355	1.0580	0.22	0.55	1.60	0.025	0.025	-

 

Mechanical Properties at room temperature

Steel Grade	Minimun Values for the delivery condition
	+C		+LC		+SR		+A		+N
Steel Name	Rm MPa	A %	Rm MPa	A %	Rm MPa	A %	Rm MPa	A %	Rm MPa	RchMPa	A %
E215	430	8	350	12	380	16	280	30	290-430	215	30
E235	480	6	420	10	420	16	315	25	340-480	255	25
E355	640	4	550	7	580	10	450	22	490-630	355	22

 

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 maintance

 

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

 

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
	ISO9001:2000; TS16949
Main Produce Standard	GB; ASTM ; DIN;
Address	Zhangjiagang(not far from Shanghai, Suzhou; Wuxi)