1.4923 / X22CrMoV12-1+QT1

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1.4923 / X22CrMoV12-1+QT1

Round Bars 12–500 mm in QT1, Rm= 800-950N/mm2
Flat Bars 20–95x40 mm in QT1, Rm= 800-950N/mm2

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Conforms with , , , , , , , , , , , , , , , , , , , , , , ,

Material properties: Tensile Strength 800–950 MPa, Yield Strength 600– MPa, Working temperature –580 °C

Equivalent or similar: AFNOR Z21CDV12, ST12TE, 23H12MNF, ČSN 17134, ČSN 17 134, BS 762

Creep resisting steel, hardened and tempered. Usual upper temperature limit for continuous operating at 580°C. Components featuring elevated high-temperature strength for use in thermal engines and power plants, such as turbine blades, turbine discs, screws, bolts, pins and shafts.

Creep resisting steel 1 .4923 / X22CrMoV12-1+QT is very popular material for turbine, valve, and pumps producers.

According to norm EN 10269 is material produced in two variants QT1 and QT2. Difference is in mechanical properties:

QT1: Rp0,2 = min. 600Mpa, Rm = 800 – 950Mpa, KV min. 27J

QT2: Rp0,2 = min. 700Mpa, Rm = 900 – 1050Mpa, KV min. 20J

(QT2not conform with PED 2014/68EU requirement for KV min. 27J !!!)