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2Cr13 TP420 |
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Chemical composition:
C :0.16～0.25
Si:≤1.00
Mn:≤1.00
S :≤0.030
P :≤0.035
Cr:12.00～14.00
Ni:May contain≤0.60
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Mechanical Properties:
Tensile strength σb (MPa):Quenching and tempering,≥635
Conditions yield strength σ0.2 (MPa):Quenching and tempering,≥440
Elongation δ5 (％):Quenching and tempering,≥20
Section shrinkage ψ (％):Quenching and tempering,≥50
Impact Energy Akv (J):Quenching and tempering,≥63
hardness :Annealing,≤223HB;Quenching and tempering,≥192HB
1.Heat treatment and microstructure specifications
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Heat treatment specifications
:1)Annealing,800～900℃Slow cooling or rapid cooling at about 750 ℃; 2) quenching, 920 ~ 980 ℃ oil
Cold; 3) Tempering, 600 ~ 750 ℃ fast-cooling.
Microstructure: Organizing for the martensitic
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2.Delivery status: generally heat treatment delivery, the treatment types specified in the contract; not indicated, according to the delivery without heat treatment
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High-temperature alloy such as Monel Monel400, Hastelloy incoloy600 Department, 800 Series, etc.
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Nuclear grade stainless steel, such as nuclear power boiler super TP30432 pipe and tube
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