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DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe

DIN 10305-1 30CrMo SEAMLESS CYLINDER TUBES
  • DIN 10305-1 30CrMo SEAMLESS CYLINDER TUBES
  • 37Mn GAS CYLINDER PIPE
  • DIN 2448  34CrMo4 Cylinder Tubes
  • DIN 10305-2 DOM Welded Cylinder Tubes
  • DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe
  • LNG CYLINDER
  • DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe
  • DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe
  • DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe
  • DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe
  • DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe
  • DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe
  • DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe
  • DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe
  • DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe
  • DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe
  • DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe
  • DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe
  • DIN 2391,EN 10305-1,EN10216-2 30CrMo,34CrMo4,34Mn2V,35CrMo,42CrMo4 Cylinder Pipe
Model No.︰-
Brand Name︰-
Country of Origin︰-
Unit Price︰US $ 800 / MT
Minimum Order︰20 MT
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Product Description

High-pressure gas cylinder steel pipe


This pipe is used in manufacturing seamless steel gas cylinders, automotive CNG cylinders and composite cylinders. It provides excellent hot rolled thin-walled seamless steel pipe for tube-type bottle. This high-pressure gas cylinder pipe has such features: quality inside and outside surface; uniform wall thickness; light mass; high productivity and yield and low cost, etc. It has been applied in seamless tube-type bottle bottom closing in key technology, adopting the gas cylinder pipe manufacture from  punching drawing billet to thin-walled seamless steel pipe production. And this change is welcomed by users and has been an trend.
   • Accumulator steel pipe used in hydraulic accumulator and energy storage pressure vessel housing.
   • Vehicle large gas cylinder steel pipe used in vehicle large diameter gas cylinder.

 

Vehicle large gas cylinder steel pipe

Accumulator steel pipe

High-pressure gas cylinder steel pipe

O.D(mm) 70 89 102 108 114 121 123 127 140(139.7)  
W.T(mm) 4.5-7.0 4.5-8.0 4.5-10.0 4.5-10.0 4.5-10.0 4.5-10.0 4.5-12.0 4.5-12.0 4.5-12.0  
O.D(mm) 146 152(152.4) 165 168 178 180 182 194 204  
W.T(mm) 4.5-12.0 4.5-12.0 5.0-12.0 5.0-14.0 5.5-15.0 5.5-15.0 5.5-15.0 5.5-15.0 5.5-15.0  
O.D(mm) 229 232 245 255 262 267 273 279 356  
W.T(mm) 5.5-14.0 6.0-18.0 8.0-20.0 7.5-30.0 7.5-30.0 7.5-30.0 7.5-30.0 7.5-30.0 8.5-36  
O.D(mm) 406 559 610 630 711          
W.T(mm) 8.5-38.0 16-27.0 18-30.0 18-30.0 18-45          
                     
Grade Chemical Analsis(%)
C Si Mn P S Cr Ni Cu Mo V
30CrMo 0.26-0.34 0.17-0.37 0.40-0.70 ≤0.025 ≤0.025 0.80~1.10   ≤0.20 0.15~0.25
34CrMo4 0.32~0.39 0.17-0.37 0.40-0.70 ≤0.025 ≤0.035 0.80~1.10   ≤0.20 0.15~0.25
37Mn/1 0.36~0.40 0.17-0.37 1.50-1.70 ≤0.025 ≤0.025 ≤0.30   ≤0.20
37Mn/2 0.34~0.38 0.17-0.37 1.45-1.70 ≤0.025 ≤0.025 ≤0.30   ≤0.20
37Mn/3 0.30-0.37 0.17-0.37 1.40-1.75 ≤0.025 ≤0.025 ≤0.30 ≤0.30 ≤0.20 ≤0.10 0.07-0.12
                     
Heat Treatment  
Grade Kind Normalizing ℃ Cooling Tempering ℃ Cooling T.S.(MPa) Y.S.(MPa) Elongation(%) Impact Test Akv(J)  
30CrMo Q 890±10 Water Cooling 650±10 Air Cooling 780 660 16 55  
34CrMo4 Q 880±10 Water Cooling 635±10 Air Cooling 890 755 16 55  
37Mn/1 N 840±10 Water Cooling     730 520 16 30  
37Mn/2 N& Q 840±10 Water Cooling 600±10 Air Cooling 730 610 16 55  
37Mn/3 N 870±10 Water Cooling     730 520 16 30  


Standard
GB 18248, JIS G3429, EN 10083, DIN17200+Technical Agreement
 
Grade 
37Mn, 34Mn2V, 30CrMo, 35CrMo, 34CrMo4, STH11, STH12, STH21, STH22, etc.
 
ASTM A519 —Seamless Carbon and Alloy Steel Mechanical Tubing 37Mn, 34CrMo4
Cylinder tubes conforming to DIN 10305-1 seamless
Cylinder tubes DOM conforming to DIN 10305-2 welded
Cylinder tubes DOM conforming to ASTM A 513 welded
Cylinder tubes made of stainless steel Cylinder tubes conforming to DIN 2448
 

Hydraulic support pipes are seamless pipes, chiefly in making hydraulic supports for coal mines, hydraulic cylinders and pistons for truck cranes and other purposes, among which hydraulic supports account for the maximum proportion. Supports are the supporting and protective facilities to prevent the ceiling from falling and to ensure the safety of those who work in the mine. Their cylinder and piston must be made with seamless steel tubes. These hydraulic pipes are required to have adequate safety in operation, high reliability, strength and tenacity so that even the pipe body cracks, it will not break into pieces. Such requirements are necessary because these pipes are used in damp environment underground, have to sustain very high pressure and load and tolerate constant corrosion and rusting. Usually they are made of alloy structural steel of 30CrMo or 27 SiMn under tempered and quenched condition (more hydraulic cylinders use #45 steel). Pipe today must be machined and welded when making supports. Therefore pipes are also required to have good performances in cutting, grinding, welding and chromium plating. the pipes produced have small fluctuation in chemical composition, low content of hazardous elements, high quality purity, excellent inside and outside surface quality, high accuracy geometric dimensions and stables performance.
 

Product Image

DIN 10305-1 30CrMo SEAMLESS CYLINDER TUBES
DIN 10305-1 30CrMo SEAMLESS CYLINDER TUBES

37Mn GAS CYLINDER PIPE
37Mn GAS CYLINDER PIPE

DIN 2448  34CrMo4 Cylinder Tubes
DIN 2448 34CrMo4 Cylinder Tubes

DIN 10305-2 DOM Welded Cylinder Tubes
DIN 10305-2 DOM Welded Cylinder Tubes


LNG CYLINDER
LNG CYLINDER














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