Product Details

2015 durable high strength effective inexpensive steel pipe/tube 8

Proudct information

Standard	ASTM A554,ASTM A312
Material Grade	201,202,304,316,316L,430,409L,430,410,420J1,420J2
Main Material	a) 201 (Ni0.8%-1%) b) 202 (Ni: 3.0%-4.0%) c) 304 (Ni: 8% Cr: 18%) d) 316 (Ni: 10% Cr: 18%)
Size Range	139mm-1600mm ETC.
Thickness	0.5-30mm
Length	6m or as customers' request
Tolerance	a) Outer Diameter: +/- 0.2mm
	b) Thickness: +/- 0.02mm
	c) Length: +/- 5mm
Surface	180G, 320G Satin/Hairline 400G, 600G Mirror finish
Application	Evaporator ,Fluid pipe,Boiler tube ,heat exchange tube , air conditioners and refrigeration steel tube 8
Test	Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT
	Tensile Strength	≥535	≥520	≥520	≥520
	Yield Strength	≥245	≥205	≥205	≥205
	Extension	≥30%	≥30%	≥35%	≥35%
	Hardness (HV)	<105	<100	<90	<90

Performance:

High efficient heat transfer tubes is the pipe that strengthen the smooth inner and outer surfaces ,to improve the heat transfer.

We process the inner and outer surfaces of the heat transfer tubes into various shapes (spiral squamous teeth, bumps, grooves Etc.) via extrusion, rolling, rolling Etc. Through changing the flow field of the liquid on the wall of the pipe, forming a turbulent flow, improving the convection effect.At the same time,through the physical processing, extended the inner and outer surface, increase the inner and outer surfaces of the heat transfer area, improve the heat transfer efficient of steel pipe.

The inner of our tube has helical teeth,which can enhance convection of water, improve the heat transfer.

We can produce various efficient duplex stainless steel tubes.Outer diameter ,thickness can be produced according to customer requirements.

Production line

Packaging and shipping

Factory information

1) Company Name	Hunan Green & Innovative Materials Co., LTD.,
2) Business Type	Manufacturer
3) Number of Employees	50-100people
4)Factory Size	10,000 square meters
5) Trade & Market	North America ,South America ,Eastern Europe ,Southeast Asia ,Eastern Europe ,Western Europe
6) Export Percentage	30% - 50%
7)Application	Industrial air conditioning,heater,evaporator, condenser,Construction, Pharmacy, Power, Petrochemical,car exhaust pipes,underfloor heating pipe,water pipe,oil pipe,gas pipe
8) Attention	products all with high quality and competitive price

Our staff

Hunan Green & Innovative Materials Co., LTD., located in Gaoxi Industrial park ,louxing district ,Loudi ,Hunan Province .The main products are stainless steel straight seam welded steel pipe, corrugated pipe and efficient pitted surface pipe.

Our services

Pre-sale Service

1.Sample can be offered.

2. We have full stock,and can deliver pipes on time.

3.OEM and ODM order are welcome, Logo printing or design are available.

4.Good Quality + Factory Price + Quick Response + Reliable Service.

5. We have High efficiency foreign trade team.

6. Experienced in manufacture and offer high quality steel pipes .

After you choose

1.We will count cheapest shipping cost and make invoice to you at once.

2.Check quality piece by piece, the pipes will be sent in 1-2 working day after the payment,

3. Email the tracking No. for you to track the parcels.