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

 
 

boiler pipe

BOILER TUBE

1) Carbon Steel Seamless Tubes for Low and Medium pressure Boiler.

For manufacturing heating-pipelines, containers,steaming pipelines of low or mediam pressure boilers ( PS450, work pressure≤5.88 Mpa). Main Steel Tube Grade: 10 20

2)Carbon Steel Seamless Tubes for High pressure Boiler.

For manufacturing heating-pipelines, containers,coal-saving devices, superheaters and reheaters of High pressure boilers ( P>9.8Mpa, 450<T<650). Main Steel Tube Grade: 10 20

Other Grade can also be provided after consulting with customers.

boiler pipe


LOW AND MEDIUM BOILER PIPE

Carbon Steel Seamless Tubes for Low and Medium pressure Boiler.

For manufacturing heating-pipelines,containers, steaming pipelines of low or medium pressure boilers (ps450,work pressure≤5.88Mpa)

 

 
Standard
 
Grade
Chemical Composition(%)
Mechenical Properties
 
C
 
Si
 
Mn
 
P.S
 
Cr
 
Cu
 
Ni
 
Mo.V
(Mpa) Tensie strength
(Mpa)
Yield
strength
(%)
Elongation
 
 
 
GB3087
 
10
0.07-
0.14
0.17-
0.37
0.35-
0.65
0.035
0.25
0.25
0.25
 
/
 
335-
475
 
195
 
24
 
20
0.07-
0.14
0.17-
0.37
0.35-
0.65
0.035
0.25
0.25
0.25
 
 
/
 
410-
550
 
245
 
20


Carbon Steel Seamless Tubes for High pressure Boiler.

For manufacture heating-pipelines,containers,coal-saving devices,superheaters and reheaters of high pressure boilers(P>9.8Mpa, 450<T<650)

 
 
Standard
 
 
 
Grade
 
 
Chemical Composition(%)
Mechenical Properties
 
C
 
 
Si
 
 
Mn
 
 
P
 
 
S
 
 
Cr
 
 
No
 
 
V
 
 
(Mpa)Tensie strength
 
 
(Mpa)Yield strength
 
 
(%)
Elongation
 
 
 
 
 
 
 
 
 
 
GB5310
 
20G
0.17-
0.24
0.17-
0.37
0.35-
0.65
0.030
0.030
/
/
/
410-550
≥245
≥24
 
20MoG
0.17-
0.24
0.17-
0.38
0.70-
1.00
0.030
0.030
/
/
/
≥415
≥240
≥22
 
15MoG
0.12-
0.20
0.17-
0.37
0.40-
0.80
0.030
0.030
/
0.25-
0.35
/
450-600
≥270
≥22
 
15Cr1
MoG
0.12-
0.18
0.17-
0.37
0.40-
0.70
0.030
0.030
0.80-
1.10
0.40-
0.55
/
440-640
≥235
≥21
 
12Cr2
MoG
0.08-
0.15
≤0.50
0.40-
0.70
0.030
0.030
2.00-
2.50
0.90-
1.20
/
450-600
≥280
≥20
 
12Cr1
MoVG
0.08-
0.15
0.17-
0.35
0.40-
0.70
0.030
0.030
0.90-
1.20
0.25-
0.35
0.15-
0.30
470-640
≥255
≥21

 


Product Name:boiler pipe 

OD:89mm~630mm 
WT:4mm~6mm 
Length:6m~12m 
Standard:API 5L 5CT,GB. Grade:Q23510#, 45#, A25,X70 

Product name: boiler pipe
Out Diameter: 8mm~168mm 
Wall Thickness: 4mm~35mm
Length 6m~12m
Standards: A192, A179, DIN17175
Steel Grade:

A179 #10,  ST37, ST52

Application: used for boiler,casing ,chemistry,electric,petroleum industry,etc,.
Packing: As per customer's demand.

 


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