• DF4A Valve
  • DF4A Flange
  • DF4A pipe fitting
  • DF4A angle bar
  • DF4A pipe
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DF4A

DF4A angle bars, DF4A flanges, Pipe Fitting, Steel Pipe, Heat Exchanger and Reducer, Gasket, Tee, Pipe Fitting, Tube Plate, have all specifications. With many yeas production experience, strict control DF4A chemical composition and DF4A mechanical properties.

Production specification
Data center describes many of the common steel models, we can not determine the company's warehouse has all types of steel products inventory or raw materials.

Angle bar: 1mm to 1300mm
Steel Pipe: 1 - 1300mm, also can be customed.
Pipe fitting Size: 1/8 inch - 80 inch (DN6 - DN2000)
Flange Size: DN6 - DN2000
Lenth: Any lenth based on the customer's requirement.
C
Si
Mn
P
S
Cr Ni
0.3 3.0 4.0 0.03 0.03 9.0-14.0 ≤6.0
Mo Al Cu Nb Ti W Fe
≤2.0         ≤2.0 ...
N Co Pb B Other    
        ≤2.5    
             

Mechanical Properties

Properties  Conditions
T (°C) Treatment
Density (×1000 kg/m3) 7.7-8.03 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  
Tensile Strength (Mpa) 1158 25 oil quenched, fine grained, tempered at 425°C  more
Yield Strength (Mpa) 1034
Elongation (%) 15 
Reduction in Area (%) 53 
Hardness (HB) 335  25 oil quenched, fine grained, tempered at 425°C more

Stainless steel, Hi-Steel HSLA-80, mould steel,  Heat resistant steel, Tool steel, Ball bearing steel,Spring steel,  Alloy steel,  Construction steel,  Die steel, High-speed steel,  angles, flanges, tube sheet, tee, welded pipes, seamless tubes

Standard: Chinese GB, Japanese JIS, US ASTM, UK BS, EU DIN ISO standards and so on.

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