• MAR-M 246 Valve
  • MAR-M 246 Flange
  • MAR-M 246 pipe fitting
  • MAR-M 246 angle bar
  • MAR-M 246 pipe
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MAR-M 246

MAR-M 246 angle bars, MAR-M 246 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 MAR-M 246 chemical composition and MAR-M 246 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
0.15         9 59.5
Mo Al Cu Nb Ti V Fe
2.5 5.5   1 1.5   0.15
N Co Pb B Other Ta  
  10   0.015 W 10 Zr 0.05 1.5  
             
Category  High alloy steel
Class High temperature corrosion Alloy steel
Type Austenitic standard
Common Names Chromium-Manganese-MAR-M 246
Designations United States: ASTM A167 ,A240/A240M ,A565 ,A693 , A582/A582M ,A213/A213M ,A249/A249M ,A268/A268M, A269 , A409/A409M , A511 ,A554 , A688/A688M , A580/A580M....


Mechanical Properties

Properties  Conditions
T (°C) Treatment
Density (×1000 kg/m3) 7.8 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  
Tensile Strength (Mpa) 515 25 annealed (sheet, strip) more
Yield Strength (Mpa) 275
Elongation (%) 40 
Reduction in Area (%)   

Thermal Properties

Properties  Conditions
T (°C) Treatment
Thermal Expansion (10-6/ºC) 17.5 0-100 more  
Thermal Conductivity (W/m-K) 16.2 100 more  
Specific Heat (J/kg-K) 500 0-100   

Electric Properties

Properties  Conditions
T (°C) Treatment
Electric Resistivity (10-9W-m) 690 25  
High temperature alloy refers to iron, nickel, cobalt as base, can in the 600-1200 ℃ high temperature and must stress under the action of a kind of metal materials long-term work; And it has higher temperature strength, good resistance to oxidation and corrosion resistance, good fatigue performance, the fracture toughness, and other comprehensive performance. High temperature alloy for a single austenitic organization, in all kinds of temperature has good stability and reliability of the organizations use, based on these properties, and high temperature alloy alloying degree is higher, also called "super alloys", it is widely used in aviation, spaceflight, petroleum, chemical industry, ships is a kind of important material. According to the matrix element to points, high temperature alloy and divided into iron base, nickel and cobalt base, high temperature alloy etc. Iron base high temperature alloy using temperature normally only up to 750 ~ 780 ℃, in the higher temperature of the heat used parts, used the nickel and refractory metal based
Characteristics:
1;High temperature alloy with high temperature strength.
2;Good resistance to oxidation and corrosion resistance performance.
3;Good fatigue performance, the fracture toughness, plastic.
Organizational characteristics:
High temperature alloy for a single (austenitic) matrix organization, in all kinds of temperature has good stability and reliability of the organization to use.
High temperature alloy quality requirements:
External quality: external contour shape, size accuracy, the surface defect cleaning method.
Internal quality: chemical composition, structure, mechanical and physical and chemical properties.
Mechanical properties: room temperature and high temperature tensile properties and impact toughness, high temperature lasting several creep properties, hardness and high weeks and weeks, creep, fatigue performance under the mutual action of fatigue and the mechanical properties, thermal and corrosion resistance to oxidation.

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