ASTM A192/A192M-02

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OD(mm) Wall Thickness Unit(mm)
  2-3 3-4 4-5 5-6 6-7 7-8 8-9 9-10 10-11 11-12 12-16 16-18 18-20 20-24 24-30
Φ20-Φ23 ● ● ● ● ● ●                  
Φ24-Φ36 ● ● ● ● ● ● ● ●              
Φ38-Φ43 ● ● ● ● ● ● ● ● ● ●          
Φ44-Φ60 ● ● ● ● ● ● ● ● ● ●          
Φ61-Φ76     ● ● ● ● ● ● ● ●          
Φ89-Φ114     ● ● ● ● ● ● ● ● ● ● ●    
Φ121-133       ● ● ● ● ● ● ● ● ● ● ●  
Φ140-Φ159       ● ● ● ● ● ● ● ● ● ● ● ●
Φ168-Φ180       ● ● ● ● ● ● ● ● ● ● ● ●

OD(mm)
Wall Thickness Unit(mm)
/
10.5-12
12.5-17
18-20
21-25
26-30
Φ127
●
●
●
●
●
Φ133
●
●
●
●
●
Φ140
●
●
●
●
●
Φ146
●
●
●
●
●
Φ152
●
●
●
●
●
Φ159
●
●
●
●
●
Φ168
●
●
●
●
●
Φ180
●
●
●
●
●

Seamless Carbon Steel Bolier Tubes for High-Pressure

Application:

For seamless carbon steel bolier and superheater tubes for high-pressure service

Size(mm):

O.D.:28∼168 W.T.:2∼30 L:max 12000

Grade and Chemical Composition (%)


Chemical Composition

C

Mn

P≤

S≤

Si≤

0.06-0.18

0.27-0.63

0.035

0.035

0.25

SA-450/SA-450M):


OD In (mm)

+

-

WT In(mm)

+

-

<1(25.4)

0.10

0.10

≤1.1/2(38.1)

20%

0

1∼1.1/2(25.4∼38.1)

0.15

0.15

>1.1/2(38.1)

22%

0

>1.1/2∼<2(38.1∼50.8)

0.20

0.20

 

 

 

2∼<2.1/2(50.8∼63.5)

0.25

0.25

 

 

 

2.1/2∼<3(63.5∼76.2)

0.30

0.30

 

 

 

3∼4(76.2∼101.6)

0.38

0.38

 

 

 

>4∼7.1/2(101.6∼190.5)

0.38

0.64

 

 

 

>7.1/2∼9(190.5∼228.6)

0.38

1.14

 

 

 

Brinell Hardness Number
(WT≥)0.200In(5.1mm)

Rockwell Hardness Number

(WT)0.200In(5.1mm)

137HRB

77HRB