产品中心
Home > Products > Seamless pipe > high-pressure boiler tube > High pressure boiler furnace

Products

High pressure boiler furnace

    High pressure boiler furnace

    High-pressure boiler tubes are a category of seamless steel tubes engineered to operate under extreme conditions of high pressure and high temperature. They are a critical component in the construction of boilers, heat exchangers, superheaters, and other pressure vessels primarily used in thermal power plants, industrial processing, and various heating systems.
  • Share：
    • Contact us Inquiry
  • E-mail：salesmanager@hxzcsteelpipe.com
    WhatsApp：13328101989
Standards:
GB3087 —— China national standards
GB5310 —— China national standards
ASME SA106 —— American Boiler and Pressure Vessel norms
ASME SA333 —— American Boiler and Pressure Vessel norms
ASME SA335 —— American Boiler and Pressure Vessel norms
DIN17175 —— German industry standards

EN10216-2 —— European pressure piping standards

high-pressure boiler tubes are a category of seamless steel tubes engineered to operate under extreme conditions of high pressure and high temperature. They are a critical component in the construction of boilers, heat exchangers, superheaters, and other pressure vessels primarily used in thermal power plants, industrial processing, and various heating systems.

These tubes are designed to efficiently contain and transfer heat, transforming water into high-energy steam that drives turbines for electricity generation or provides process heat for industrial applications. Their performance, reliability, and safety are paramount, as failure can lead to catastrophic outcomes.

Uses:
For the low and medium pressure boiler and steam header pipes; for the high-pressure boiler
and steam pipes, and the petrochemical industry pipes.
Steel pipes No. of main production:
10、20、20G、20MnG、25MnG、15CrMoG、12Cr2MoG、12Cr1MoVG、10Cr9Mo1VNb、SA106B、
SA106C、SA333Ⅰ、SA333Ⅵ、SA335 P5、SA335 P11、SA335 P12、SA335P22、SA335 P91、
SA335 P92、ST45.8/Ⅲ、15Mo3、13CrMo44、10CrMo910、15NiCuMoNb5-6-4
Dimensional tolerance:
Pipe types
Outer-caliber（D）
Thickness（S）

Pipe outer-caliber(mm)
Allowable warp(mm)
Pipe thickness(mm)
Allowable warp(mm)
Hot-rolled pipes
＞219～457
±1.0％
≤20
－10％，＋12.5％
＞20～40
－10％，＋10％
＞457～1066
±0.9％
＞40～70
－7％，＋9％
＞70～120
－6％，＋8％

Mechanical Properties:
Standards
Steel pipes No.
Tensile strength（MPa）
Bend strength（MPa）
Elongation（％）
Impact energy（J）
Hardness

GB3087
10
335～475
≥195
≥24

/

20
410～550
≥245
≥20

/

GB5310
20G
410～550
≥245
≥24
≥35
/

20MnG
≥415
≥240
≥22
≥35
/

25MnG
≥485
≥275
≥20
≥35
/

15CrMoG
440～640
≥235
≥21
≥35
/

12Cr2MoG
450～600
≥280
≥20
≥35
/

12Cr1MoVG
470～640
≥255
≥21
≥35
/

10Cr9Mo1VNb
≥585
≥415
≥20
≥35
/

ASME SA106
SA106B
≥415
≥240
≥22
≥35
/

SA106C
≥485
≥275
≥20
≥35
/

ASME SA333
SA333Ⅰ级
≥380
≥205
≥28
－45≥18
/

ASME SA335
SA335 P11
≥415
≥205
≥22
≥35
≤163HB
SA335 P12
≥415
≥220
≥22
≥35
≤163HB

SA335 P22
≥415
≥205
≥22
≥35
≤163HB

SA335 P5
≥415
≥205
≥22
≥35
≤187HB

SA335 P91
585～760
≥415
≥20
≥35
≤250HB

SA335 P92
≥620
≥440
≥20
≥35
250HB

DIN17175
ST45.8/Ⅲ
410～530
≥255
≥21
≥27(DVM)
/

15Mo3
450～600
≥270
≥22
≥34(DVM)
/

13CrMo44
440～590
≥290
≥22
≥34(DVM)
/

10CrMo910
480～630
≥280
≥20
≥34(DVM)
/

EN10216-2
15NiCuMoNb5-6-4 (WB36)
610～780
≥440
≥19
≥40
/


Chemical composition:

Standards
Steel pipes No.
Chemical composition（%）
C
Si
Mn
P
S
Cr
Mo
Cu
Ni
V
Al
W
Nb
N
GB3087
10
0.07～0.13
0.17～0.37
0.38～0.65
≤0.030
≤0.030
0.3～0.65
/
≤0.25
≤0.30
/
/



20
0.17～0.23
0.17～0.37
0.38～0.65
≤0.030
≤0.030
0.3～0.65
/
≤0.25
≤0.30
/
/



GB5310
20G
0.17～0.24
0.17～0.37
0.35～0.65
≤0.030
≤0.030
≤0.25
≤0.15
≤0.20
≤0.25
≤0.08




20MnG
0.17～0.25
0.17～0.37
0.70～1.00
≤0.030
≤0.030
≤0.25
≤0.15
≤0.20
≤0.25
≤0.08




25MnG
0.23～0.27
0.17～0.37
0.70～1.00
≤0.030
≤0.030
≤0.25
≤0.15
≤0.20
≤0.25
≤0.08




15CrMo
0.12～0.18
0.17～0.37
0.40～0.70
≤0.030
≤0.030
0.80～1.10
0.40～0.55
≤0.20
≤0.30





12Cr2MoG
0.08～0.15
≤0.50
0.40～0.70
≤0.030
≤0.030
2.00～2.50
0.90～1.20
≤0.20
≤0.30





12Cr1MoV
0.08～0.15
0.17～0.37
0.40～0.70
≤0.030
≤0.030
0.90～1.20
0.25～0.35
≤0.20
≤0.30
0.15～0.30




10Cr9Mo1VNb
0.08～0.12
0.20～0.50
0.30～0.60
≤0.020
≤0.010
8.00～9.50
0.85～1.05
≤0.20
≤0.40
0.18～0.25
≤0.015

0.06～0.10
0.03～0.07
ASME SA106
SA106B
0.17～0.25
≥0.1
0.70～1.00
≤0.030
≤0.030









SA106C
0.23～0.27
≥0.1
0.70～1.00
≤0.030
≤0.030









ASME SA333
SA333Ⅰ
0.09～0.12
/
0.7～1.00
≤0.020
≤0.010









SA333Ⅵ
0.09～0.12
≥0.1
0.9～1.10
≤0.020
≤0.010









ASME SA335
SA335 P11
0.05～0.15
0.50～1.0
0.30～0.60
≤0.030
≤0.030
1.00～1.50
0.50～1.00







SA335 P12
0.05～0.15
≤0.50
0.30～0.61
≤0.030
≤0.030
0.80～1.25
0.44～0.65







SA335 P22
0.05～0.15
≤0.50
0.30～0.60
≤0.030
≤0.030
1.90～2.60
0.87～1.13







SA335 P5
≤0.15
≤0.50
0.30～0.60
≤0.030
≤0.030
4.00/
6.00
0.45/
0.65







SA335 P91
0.08～0.12
0.20～0.50
0.30～0.60
≤0.020
≤0.010
8.00～9.50
0.85～1.05

≤0.40
0.18～0.25
≤0.015

0.06～0.10
0.03～0.07
SA335 P92
0.07～0.13
≤0.50
0.30～0.60
≤0.020
≤0.010
8.50～9.50
0.30～0.60
0.30～0.60 
≤0.40
0.15～0.25
≤0.015
1.50～2.00
0.04～0.09
0.03～0.07
DIN 17175
ST45.8/Ⅲ
≤0.21
0.10～0.35
0.40～1.20
≤0.040
≤0.040
≤0.30








15Mo3
0.12～0.20
0.10～0.35
0.40～0.80
≤0.035
≤0.035

0.25～0.35







13CrMo44
0.10～0.18
0.10～0.35
0.40～0.70
≤0.035
≤0.035
0.70～1.10
0.45～0.65







10CrMo910
0.08～0.15
≤0.50
0.30～0.70
≤0.025
≤0.020
2.00～2.50
0.90～1.10
≤0.30
≤0.30

≤0.015



EN1021 6-2
15NiCuMoNb5-6-4 (WB36)
≤0.17
0.25～0.50
0.80～1.20
≤0.025
≤0.020
≤0.30
0.25～0.50
0.50～0.80
1.00～1.30

≤0.05

0.015～0.045

Key Characteristics and Material Properties

The demanding service environment necessitates that high-pressure boiler tubes possess exceptional material properties:

High-Temperature Strength and Creep Resistance: They must maintain structural integrity and resist deformation (a phenomenon known as "creep") over prolonged periods at temperatures often exceeding 500°C (932°F). Alloying elements like Molybdenum (Mo), Chromium (Cr), and Vanadium (V) are added to enhance strength at elevated temperatures.

Excellent Oxidation and Corrosion Resistance: The inner surface must resist corrosion from high-purity water and steam, while the outer surface must withstand oxidation (scaling) and corrosive flue gases. Chromium is a key element for improving oxidation resistance.

Good Stability and Microstructural Integrity: The material must remain stable under thermal cycling (repeated heating and cooling) to prevent the formation of brittle phases and ensure long-term durability.

Superior Internal Quality and Purity: The steel must be of high purity with low levels of impurities (like Sulfur and Phosphorus) and non-metallic inclusions to prevent weaknesses and crack initiation points.

Precise Dimensional Tolerances: Strict control over outer diameter (OD), wall thickness (WT), and length is essential for ensuring proper fit-up, welding, and efficient fluid flow within the boiler system.


Related tags： High pressure boiler furnace SA106 high-pressure boiler tube SA333 high-pressure boiler tube

ONLINE MESSAGE

Please fill in a valid email address
Captcha Can not be empty

RELATED PRODUCTS

Product category
  • Telephone:
    +86 133 2810 1989
  • Email:
    salesmanager@hxzcsteelpipe.com
  • Address:
    Xinsheng Road, Xizhang Community,Qiangiao Street, Huishan District, Wuxi City

Copyright ©  2025 Wuxi Hengxin Zhicheng International Trade Co., LTD  All rights reserved  Applications

Sitemap

This website uses cookies to ensure you get the best experience on our website.

Accept Reject