2CR13 round

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11-May-2024

bar is martensitic stainless steel case, has the magnetic, good hardness, welded to preheat. And Q235 welded austenitic stainless steel welding without preheating, such as A302.A307 do.

2CR13 chemical composition:

C	Si	Mn	S	P	Cr	Ni
0.16～0.25	≤1.00	≤1.00	≤0.030	≤0.035	12.00～14.00	≤0.60

2CR13 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 Reduction of area ψ (%): quenching and tempering, ≥ 50
Impact energy Akv (J): quenching and tempering, ≥ 63 Hardness: annealing, ≤ 223HB; quenching and tempering, ≥ 192HB

Heat treatment and microstructure specifications 2CR13
Heat treatment specifications: 1) annealing, 800 ~ 900 ℃ slow cooling or rapid cooling to about 750 ℃; 2) quenching, 920 ~ 980 ℃ oil cooling; 3) tempering, 600 ~ 750 ℃ rapid cooling. Microstructure: Organizing for the martensitic.

2CR13 Delivery Status: Average to heat treatment delivery, treatment types specified in the contract; not indicated, by not heat treatment delivery.

Characteristics: quenched state high hardness, good corrosion resistance Uses: mainly for turbine blades