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Chinese 2Cr13 steel (20Cr13) is a martensitic stainless steel with magnetic properties, good corrosion resistance and high hardness in the quenched state.
Applications:
2Cr13 stainless steel is used in a wide range of applications, such as cutting tools, surgical tools, and steam turbine blades, material density is 7.75g/cm3, 2Cr13 is an old representation, the new representation is 20Cr13.
GRADE (%) |
C |
Si |
Mn |
P |
S |
Cr |
2Cr13 |
0.16-0.25 |
≤0.60 |
≤0.60 |
≤0.025 |
≤0.025 |
12.00-14.00 |
For Hot Rolled Steel Bar After Quenching and Tempering
Tensile strength: 640 N/mm2
Conditional yield strength (Non-proportional extension strength): ≥440 N/mm2
Elongation: ≥20%
Rate of reduction in area: ≥50%
Impact energy: ≥63 Aku2 (J)
Material hardness:
HBW: ≤ 223 (After annealing);
HBW: ≥ 192 (After quenching and tempering)
Notes:
Data is for steel diameter (d) less than or equal to 75mm.
1 N/mm2 = 1 MPa
Density (g/cm3): 7.75
Melting point: 1470-1510℃
Specific heat capacity (J/Kg·K): 460 at 0-100℃
Thermal conductivity (W/m·K):
22.2 at 100℃
26.4 at 500℃
Coefficients of linear thermal expansion (10-6/K):
10.3 (0-100℃)
12.2 (0-500℃)
Electrical Resistivity (μΩ·m): 0.55 at 20℃
Longitudinal modulus of elasticity (kN/mm2): 200 at 20℃
Annealing: 800-900℃ (Slow cooling)
Quenching: 920-980℃ (Cooling: Oil)
Tempering: (600-750℃) (Rapid cooling)
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Tel/Fax: +86-714-6330300
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