STAS 30 MoCrNi 20 XS Structural and constructional steels
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STAS 30 MoCrNi 20 XS Chemical Composition
STAS 791: 1988 / Alloy steels for heat treatment, for machine-building industry. Grades and technical requirements for quality
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STAS 30 MoCrNi 20 XS Physical Properties
Temperature
This material has 90 properties — only a subset is shown here.
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STAS 30 MoCrNi 20 XS Heat Treatments
- Hardening in the range 830-860°C, quenching in oil; Tempering in the range 540-680°C, oil cooling.
Temperature of austenitization 850°C.
Hot plastic deformation:
- Forging and hot rolling: 1180-800°C
- Die forging: 1150-900°C.
Annealing in the range 650-670°C, furnace cooling; Normalization in the range 840-870°C, air cooling; Hardening (I) in the range 830-860°C, oil cooling; Tempering in the range 540-680°C, air cooling.
STAS 30 MoCrNi 20 XS Mechanical Properties
Temperature
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STAS 30 MoCrNi 20 XS International Equivalent Materials
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Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.
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- 50Cross References
- 10Composition
- 26Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
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