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High Pressure Boiler Furnace

Quality High Pressure Boiler Furnace factory
Quality High Pressure Boiler Furnace factory
Quality High Pressure Boiler Furnace factory
Quality High Pressure Boiler Furnace factory

High Pressure Boiler Furnace

Product Summary

High Pressure Boiler Furnace 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 ...

Key Attributes
Brand Name: Hengxin Zhicheng
Model Number: High-Pressure Boiler Tube
Place of Origin: CHINA
Certification: ASTM, GB, ISO, etc.
MOQ: 1 PCE
Price: Negotiation
Delivery Time: 10 to 35 days
Payment Terms: L/C, T/T
Standard Packaging: Default bare pipe bundling, or packaging according to customer requirements, such as oil cloth packaging, wooden box packaging, frame packaging
Product Custom Attributes
Product Description

High Pressure Boiler Furnace

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 ≥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  

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.

High Pressure Boiler Furnace 0High Pressure Boiler Furnace 1 High Pressure Boiler Furnace 2

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