EP Grade Stainless Steel Pipe

  • Description
Product Detail

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

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



     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

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