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Master Bond adhesives
AISI 4340 Steel, oil quenched 855°C (1570°F), 230°C (450°F) temper for 4 hrs., tested at -195°C (-320°F)  (Unverified Data**)
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Medium Carbon Steel

Material Notes: AISI 4340 has a favorable response to heat treatment (usually oil quenching followed by tempering) and exhibits a good combination of ductility and strength when treated thusly. Uses include piston pins, bearings, ordnance, gears, dies, and pressure vessels.

Key Words: alloy steels, UNS G43400, AMS 5331, AMS 6359, AMS 6414, AMS 6415, ASTM A322, ASTM A331, ASTM A505, ASTM A519, ASTM A547, ASTM A646, MIL SPEC MIL-S-16974, SAE J404, SAE J412, SAE J770, DIN 1.6565, JIS SNCM 8, IS 1570 40Ni2Cr1Mo28, IS 1570 40NiCr1Mo15
Vendors:
Available Properties
  • Density
  • Hardness, Knoop, Converted from Vickers hardness.
  • Hardness, Vickers
  • Tensile Strength, Ultimate
  • Tensile Strength, Yield
  • Elongation at Break
  • Reduction of Area
  • Modulus of Elasticity
  • Bulk Modulus, Typical for steel.
  • Poissons Ratio, Calculated
  • Machinability, annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
  • Shear Modulus, Estimated from elastic modulus
  • Electrical Resistivity
  • Electrical Resistivity
  • Electrical Resistivity
  • Electrical Resistivity
  • CTE, linear, specimen oil hardened, 630°C (1110°F) temper
  • CTE, linear, 1.88% Ni, normalized and tempered
  • CTE, linear, 1.88% Ni, normalized and tempered
  • CTE, linear, 1.90% Ni, quenched, tempered
  • Specific Heat Capacity, Typical 4000 series steel
  • Thermal Conductivity, Typical steel
  • Carbon, C
  • Chromium, Cr
  • Iron, Fe, As remainder
  • Manganese, Mn
  • Molybdenum, Mo
  • Nickel, Ni
  • Phosphorous, P
  • Silicon, Si
  • Sulfur, S
  
Property Data

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