X21CrMoNiV12-2 / 1.4923 datasheet,X21CrMoNiV12-2 / 1.4923 chemical,X21CrMoNiV12-2 / 1.4923 heat treatment
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X21CrMoNiV12-2 / 1.4923
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Material technical specifications of High temperature alloy steels for internal combustion engine X21CrMoNiV12-2 datasheet, 1.4923 Chemical compositions, 1.4923 mechanical properties from Steelmaking, ESR melting, Hot blooming, UT, 1.4923 Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working or Machined. Technical specifications - ISO / TR 4956 - 1984, 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.

 

TECHNICAL DATA SHEET - X21CrMoNiV12-2 & 1.4923

OFFICIAL TEST CERTIFICATE: issued by TUV - SGS BV
MATERIAL CATEGORY: High temperature alloy steel for internal combustion engine
MATERIAL SPECIFICATIONS: ISO / TR 4956 - 1984
CHEMICAL COMPOSITION (WEIGHT %)
C (%):     0.17 ~ 0.25
Si (%):     ≤ 0.50
Mn (%):   ≤ 1.00
P (%)≤:   0.030
S (%)≤:   0.025
Cr (%):    11.0 ~ 12.5
Ni (%):     0.30 ~ 1.00
Mo (%):   0.70 ~ 1.20
V (%):      0.20 ~ 0.35
MECHANICAL PROPERTIES UNDER ROOM TEMP.  
Condition of heat treatment: Quenched and tempered
Tensile strength, σb ≥/MPa: 780 ~ 930
Yield strength, σ0.2 ≥/MPa: 590
Elontation, δ ≥(%): 14.0
Reduction of area, ф ≥(%): -
Hardness | HBW: 225 ~ 280
PRODUCT DESCRIPTION
The alloy is usually produced by BEF & AOD followed by electroslag remelting (ESR) / VAR if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied black/bright in the annealed condition.
FORMS AND SHAPES
Round bar (Diameter): 5.50 ~ 650mm
Square bar / Flat bar: 3 ~ 650mm
Wire rod (Diameter): 0.10 ~ 16mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 650mm X L (or in coil form)
Forging piece: Different shapes based on OEM.

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