X20Cr13 corresponding grade: GB-T standard: digital grade: S42020, new grade: 20Cr13, old grade: 2Cr13 ,American Standard: ASTMA standard: S42000 , SAE standard: 51420, UNS standard: 420, Japanese standard JIS standard: sus420J1, German standard DIN standard: 1.4021, European standard EN standard: X20Cr13.
X20Cr13 (1.4021) stainless steel
Material number: 1.4021
Grade: X20Cr13
Standard: DIN 17400
●Properties and scope of use:
Martensitic type stainless steel. Quenched state has high hardness and strength, and has outstanding corrosion resistance. Can be used to make parts that can withstand high stress, such as turbine blades, hydraulic press valve body, hot oil
pump shafts and bushings. It is also used to make medical equipment, household utensils and tableware.
●Chemical composition:
Carbon C: 0.16～0.25
Silicon Si: ≤1.00
Manganese Mn: ≤1.50
Sulfur S: ≤0.015～0.030
Phosphorus P: ≤0.040
Cr Cr: 12.00～14.00
Mechanical properties:
Tensile strength σb (MPa): quenched and tempered ℃,≥650-850
Conditional yield strength σ0.2 (MPa): quenched and tempered,≥450