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2CR13 round

  • 67 Views
  • 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.

Grade: 2CR13
Specifications: round | square steel | sheet | Pipe | wool | optical materials | Concentrate

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

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