DIN1.8550

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DIN1.8550

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34CrAlNi7-10, 1.8550 - specifications and application

34CrAlNi7 is intended for work at elevated temperatures in an environment that requires high sliding properties, corrosion, temperature, abrasion, and fatigue resistance. Steel with the addition of Nickel and Aluminum used in the energy, machinery, and automotive industries for large cross-sections elements in the heat treated condition. The products are used in the manufacture of screws, rods, cylinders, pistons, gears, extruders, and rings, which do not require welding.

Mechanical properties of 34CrAlNi7-10, 1.8550

Dimensions 16 - 40mm
- Tensile strength, Rm: 900 - 1100 MPa
- The yield point, Re: > 680 MPa
- Elongation, A:> 10%
- Impact resistance, KV20℃: >30J

Dimensions 40 - 100mm
- Tensile strength, Rm: 850 - 1050 MPa
- The yield point, Re: > 650 MPa
- Elongation, A:> 12%
- Impact resistance, KV20℃: >30J

Dimensions 100 - 250mm
- Tensile strength, Rm: 800 - 1000 MPa
- The yield point, Re: > 600 MPa
- Elongation, A:> 13%
- Impact resistance, KV20℃: >35J

Hardness in +A condition: <248 HB

Hardness of nitrided surface, HV1: 950

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