boiler pipe
Home >
-
API steel pipe
- API steel pipe
- API steel casing pipe
- Casing and Tubing
- API drill pipe
- API5L steel pipe
- Oil pipeline

-
Carbon steel pipe
- Carbon steel pipe
- Welded steel Pipe
- seamless carbon steel pipe
- Petroleum Casing Pipe

-
Alloy steel pipe
- astm a 335 gr p22
- alloy steel pipe l555
- 25crmo4 alloy steel pipe
- alloy pipe a335 p11








- interpret seamless steel pipe
- Water pipeline - Handling and
- Applications of welded pipe pil
- welded steel pipes and Seamless
- ASTM A 106 Seamless Pipe
- Carbon dioxide resistant oil ca
- seamless steel pipe On-line col
- EN 10305-1 / DIN 2391 cold draw
- EN 10255 Standard Pipe,replaces
- API 5L A53 / A106 Grade B, Seam

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 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.
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. |