♠Product description                                          

 

Product name	304 316l heat exchanger stainless steel sanitary  tube
Items	Square tubes, round tubes, oval pipes, special shaped pipes,empaistic pipes, fittings
Material	201: Ni 0.8%~1%
	202: Ni 3.5%~4.5%
	304: Ni 8%, Cr 18%
	316: Ni 10%, Cr 18%
	316L: Ni10%~14%
	310s: Ni19%-22%
Size	Outer Diameter:10.29mm--812.80mm
	Thickness:1.0mm - 60.00mm
	Length:6m or as customers' request
Tolerance	a) Outer Diameter: +/- 0.2mm
	b) Thickness: +/- 10%
	c) Length: +/- 5mm
Surface	180G, 240G, 320G Satin / Hairline 400G, 600G Mirror finish
Application	handrail,railing, staircase, weldmesh screen,door,window, balcony,fence,bench,furniture,etc
Test	Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT

 

Chemical coposition and mechanical property 

Material composition	201	202	304	316L	310s
C	≤0.15	≤0.15	≤0.08	≤0.035	≤0.08
Si	≤1.00	≤1.00	≤1.00	≤1.00	≤1.50
Mn	5.5-7.5	7.5-10	≤2.00	≤2.00	≤2.00
S	≤0.06	≤0.06	≤0.045	≤0.045	≤0.045
P	≤0.03	≤0.03	≤0.030	≤0.030	≤0.030
Cr	13-15	14-17	18-20	16-18	24-26
Ni	0.7-1.1	3.5-4.5	8-10.5	10-14	19-22
Mo				2.0-3.0

 

Mechanical Property
Material Item	310s	202	304	316
Tensile Strength	≥515	≥520	≥520	≥520
Yield Strength	≥205	≥205	≥205	≥205
Extension	≥30%	≥30%	≥35%	≥35%
Hardness (HV)		<100	<90	<90

 

♠Product details                                                 

Normal surface for stainless steel pipe / stainless tubes

 

 

 

♠Packing and delivery                                        

 

Packing:in ribbion,in bundle,in wooden cases the standard export packing or as customer demand. Delivery:5-10 days if goods in stock,15-20 days if goods not in stock.

 

♠Company information                                       

Tianjin Yichengtong Steel Trade Co., Ltd was founded in Jan. 2008 . As an excellent international company in Tianjin, we are working together with many famous iron and steel manufacturers with steel pipe, steel plate, steel coil, steel rod, channel, beam steel and our products sells well all of the world, such like Korea, Russia, USA, Italy, Germany, Chile, Peru, Colombia, Vietnam, Philippines, Malaysia, Singapore, Indonesia, etc. Our products always receive a wide range of social praise and acclaim. As a reliable partner, we will offer high technology, qualified products and excellent services.Sincerely hope to cooperate with all of our clients at home and abroad for mutual benefits and development.

 

                               Test inspection

 

Our customers

 

 

♠Our service