EP Grade Stainless Steel Pipe

Product Detail

Product Type:Stainless Steel Pipe


Product Name:EP Grade Stainless Steel Pipe

Standard:

Gas Pressure Regulator:GB/T 12244.2006  JIS B6803:2003

EP Grade Stainless Steel Pipe:ASTM A262?A269?A370?A380?A450? A632?A700

Valve:GB/T 12230.2005  GB/T 9092-1999

Place of Origin:Beijing,China

Certification:ISO9001;2008




Ultra-precision  pipe of AEROTECH’s products that use of BAOGANG materials are made in the ultra  clean environment under the strict quality management through the electrolytic  polishing technology.(Compliance with ASTM.269 standard)




The pipe wall size FOR AP/BA/MP/EP Grade




Outer Diameter			Wall Thickness(mm)
mm	Inch	A size	EP Grade(mm)	BA Grade(mm)	SCH5S	SCH10S
3.18	1/8’’		0.51	0.71
6.35	1/4’’		0.89	1
9.53	3/8’’		0.89	1
12.7	1/2’’		1	1.24
19.05	3/4’’		1	1.24
25.4	1’’		1	1.24







The pipe wall parameters




Wall thickness(mm)	The    allowable value of the wall thickness
Up to 2.0	±0.2mm
Over 2.0	±10%
4.0/4.5/5.0/5.5	15%-12.5%
5.0/5.5/6.5	MIN-12.5%
8	MIN-12.5%







For BA/MP/EP Grade




Outer diameter		The allowable value of outer diameter	The allowable value of outer diameter
mm	Inch
3.18	1/8’’	0.06-0	±12.5%
6.35	1/4’’	0.05-0	±10%
9.53	3/8’’	0.06-0
12.7	1/2’’	0.07-0
19.05	3/4’’	0.08-0
25.4	1’’	0.09-0







Standard Material




		C	Si	Mn	P	S	Ni	Gr	Mo
SUS316L	ASTM	Max0.03	Max1.00	Max2.00	Max0.045	Max0.030	Max12.00-16.00	16.00-18.00	2.00-3.00
TP	Sample	0.018	0.35	0.72	0.026	0.003	12.63	16.68	2.1







Tention Test




			Yield strength	Tention strength	Tention
Seamless steel tube	SUS316L	ASTM	Min175	Min480	Min35
		Sample	260	582	60







Hardness Test




		Vivtorinox hardness
Seamless steel tube	SUS316L	144







INNER SURFACE ROUGHNESS For Semiconductor  and Liquid Crystal Plants




Outer diameter		Wall Thickness	The inner surface roughness
mm	Inch		EP grade
3.18	1/8’’	0.51	Ra=0.2um	Ra=1.0um
6.35	1/4’’	0.89	Ra=0.2um	Ra=0.5um
		1.0
9.53	3/8’’	0.89
12.7	1/2’’	1.0
19.05	3/4’’	1.0
25.4	1’’	1.0