UGIMA 4021/UGI 402 Steel

Steel name: UGIMA 4021/UGI 402
Diagram No.: 2721
Mat.No. (Wr.Nr.) designation: 1.4021
DIN designation: X20Cr13
AISI/SAE designation: 420
Chemical composition in weight %: 0.20% C, 13.00% Cr
Steel group: Martensitic stainless steels
Properties: In the treated state, a martensitic grade combining excellent mechanical properties with good corrosion resistance on suitably polished surfaces in moderately aggressive non-chlorinated environments. Good resistance in oxidizing atmosphere up to 600°C.
Applications: Mechanical engineering, oil and petrochemicals industry, food and food processing industry, decoration and household appliances, transport and cutlery: shafts, pistons, liners, valves, nuts and bolts, etc.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: No data
Tempering: See the diagram.
Diagram note: Indicative mechanical properties after quenching in oil at 950°C and tempering for 2 hours.

Tempering Diagram - Mechanical Properties

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