Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association

 
 

16Mn alloy pipe


16Mn Q195 Q235 seamless alloy steel pipe 

1)O.D.:6-101.6mm 
2)Thickness:2.0-3.0mm 
3)Standard:AISI,JIS,DIN,EN...

16Mn alloy pipe

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.:10-580mm W.T.:2∼60mm L:max 12000mm

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

OTHER Material PIPES: 10#, 20#, 45#, Q345B/16Mn, A106 B, A53 B, API 5L B, API X52, A333 Gr.6.

 

 

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