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