15CrMo 15CrMoG  High Pressure Boiler Tube DIN17175 Seamless Alloy Steel Tubing

15CrMo 15CrMoG High Pressure Boiler Tube DIN17175 Seamless Alloy Steel Tubing

Product Details:

Place of Origin: CHANGZHOU, CHINA
Brand Name: Joyruns
Certification: ISO9000
Model Number: DIN17175 Alloy steel Tube

Payment & Shipping Terms:

Minimum Order Quantity: 5TONs
Price: Negotiable
Packaging Details: Exporting package/wooden box package
Delivery Time: 30DAYS
Payment Terms: TT OT 100% LC AT SIGHT
Supply Ability: 1000Ton/month
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Detail Information

Standard: DIN17175 Grade: 4130.1020.4140,ST35,ST45,ST52,15CrMo,15CrMoG
Type: Seamless Cold Drawing OD. Range: 6mm – 114.3mm
Wall Thickness: 1mm-15mm Length: Max Length 12M
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15CrMo high pressure boiler tube

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15CrMoG high pressure boiler tube

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DIN17175 Alloy Steel Tubing

Product Description

DIN17175 15CrMo/15CrMoG Seamless Tubes for High-Pressure Boiler description

The boiler seamless steel pipe is mainly used to manufacture high-pressure and ultrahigh-pressure boiler superheater, reheater pipe, main steam pipe etc..

 

For high-pressure boiler (working pressure 9.8MPa or more generally, the working temperature between 450℃-650℃) of heating surface tubes, header, economizer, superheater, reheater and so on.

 

Application For high, middle, low-pressure boiler and pressure purpose 15CrMoG alloy tube of the principles of the purified hydrogen at 300-500 ℃, the hydrogen to be purified is passed through one side of the 15CrMoG alloy tube, the hydrogen is adsorbed on 15CrMoG alloy wall, palladium 4d electron shell lacks two electronics, it can with the hydrogen generating unstable chemical bonds (palladium and hydrogen, this reaction are reversible), palladium, hydrogen is ionized proton whose radius is 1.5 × 1015m, while the lattice constant of palladium 3.88x 10-10M (20 ° C time), it can be through 15CrMoG alloy tube role of palladium proton combined with electronic and re-formation of the hydrogen molecules to escape from the other side of the 15CrMoG alloy tube.

 

In the 15CrMoG the surface of the alloy tube, not dissociated gas impermeable, can therefore be used 15CrMoG alloy tube to obtain high purity hydrogen.

 

15CrMoG seamless tubes heat treatment: Normalizing and tempering

  • Normalizing temperature: 900 °C-960 °C
  • Tempering temperature: 680 °C-730 °C

 

Chemical composition:

C Si Mn P S Cr Mo
0.12-0.18 0.17-0.37 0.40-0.70 0.025 max. 0.015 max. 0.80-1.10 0.40-0.55

 

Mechanical properties:

Grade Tensile strength(MPa) Yield strength(MPa) Elongation(%)
Vertical Longitudinal
15CrMoG 440-640 295 min. 21 min. 19 min.

 

Tolerance

W.T.(S) Tolerance of W.T.  
<3.5 +15%(+0.48mm min)  
-10%(+0.32mm min)  
3.5-20 +15%,-10%  
>20 D<219 ±10%  
D≥219 +12.5%,-10%  


15CrMo 15CrMoG  High Pressure Boiler Tube DIN17175 Seamless Alloy Steel Tubing 0  15CrMo 15CrMoG  High Pressure Boiler Tube DIN17175 Seamless Alloy Steel Tubing 1  15CrMo 15CrMoG  High Pressure Boiler Tube DIN17175 Seamless Alloy Steel Tubing 2
 
15CrMo 15CrMoG  High Pressure Boiler Tube DIN17175 Seamless Alloy Steel Tubing 3  15CrMo 15CrMoG  High Pressure Boiler Tube DIN17175 Seamless Alloy Steel Tubing 4  15CrMo 15CrMoG  High Pressure Boiler Tube DIN17175 Seamless Alloy Steel Tubing 5

 

15CrMo 15CrMoG  High Pressure Boiler Tube DIN17175 Seamless Alloy Steel Tubing 6

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