ASTM A453 Grade 660 660B High Temperature Alloy Material
A286, 0Cr15Ni25Ti2MoAlVB, GH132, GH2132, SUH660, round rod, plate, strip, wire.
ASTM A453 Grade 660 high temperature alloy steel is equivalent to heat-resistant steel GH132 and Japanese JIS standard heat-resistant steel SUH660.
ASTM A453 Grade 660 660B High temperature alloy application range: high temperature components used at 650°C, such as turbine disks for petrochemical railways and nuclear power and screws and screws in the fastener industry. The alloy has high yield strength, durability and creep strength below 650°C, as well as good processing plasticity and satisfactory welding performance. Equivalent to Chinese GB1221-92 0Cr15Ni25Ti2MoAlVB and American ASTM/AISI 660/UNS K66286.
Chemical Composition:
Carbon C: ≤0.08;
Silicon Si: ≤1.00;
Manganese Mn: ≤2.00;
Phosphorus P: ≤0.040;
Sulfur S: ≤0.030;
Nickel Ni: 24.00-27.00;
Chromium Cr: 13.5-16.0;
Molybdenum Mo: 1.0-1.5;
Vanadium V: 0.10-0.50;
Titanium Ti: 1.90-2.35;
Aluminum Al: ≤0.35;
Boron B: 0.001-0.01;
Mechanical properties:
Tensile strength σb: ≥830
Conditional yield σ0.2: ≥685
Elongation δ5 (%): ≥15
Reduction of area ψ (%): ≥30
Hardness: ≤341HRB;
Heat treatment specifications: solid solution 1010~1150℃ rapid cooling.
The structural characteristics of astm a453 gr 660 material are martensitic.
Delivery Status:
Generally, it is delivered in a heat-treated state, and the type of heat treatment is specified in the contract; if not specified, it is delivered in a non-heat-treated state.
