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AFNOR 42 CD 4

DATA TABLE FOR:ALLOY STEEL:AFNOR 42 CD 4Steel grade type Alloy steel:

Standard AFNOR

Production specifications Steel plate,Sheet, Coil,Flat bar,Round bar, Strip steel,wire,All kinds of forgings.

Mchining

TurningMillingGrindingDeep hole drilling: length max 9.8 meters.

Range of work

Round bar steel: 1mm to 2000mmSquare-shape steel: 10mm to 1000mmsteel Plate/sheet:0.08mm to 800mmWidth: 10mm to 1500mmLenth: We can supply any lenth based on the customer's requirement.Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapesTubings: OD: 4-410 mm, with wall thickness ranging from 1-35 mm.

Heat treatment Normalizing,Annealing,Tempering,Quenching,Hardening and tempering,Seasoning,Surface hardening,Carburizing

AFNOR 42 CD 4 CHEMICAL COMPOSITION AND MECHANICAL PROPERTIES

Element Weight %

C 0.35-0.40

Mn 0.70-0.90

P 0.035 (max)

S 0.04 (max)

Si 0.15-0.30

Cr 0.80-1.10

Mo 0.15-0.25

Mechanical Properties

PropertiesConditions

T (C) Treatment

Density (1000 kg/m3) 7.7-8.03 25

Poisson's Ratio 0.27-0.30 25

Elastic Modulus (GPa) 190-210 25

Tensile Strength (Mpa) 1158

25 oil quenched, fine grained, tempered at 425CYield Strength (Mpa) 1034

Elongation (%) 15

Reduction in Area (%) 53

Hardness (HB) 335 25 oil quenched, fine grained, tempered at 425C

THERMAL PROPERTIES

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PropertiesConditions

T (C) Treatment

Thermal Conductivity (W/m-K) 42.7 100

Specific Heat (J/kg-K) 477 50-100

PHYSICAL PROPERTIES

Quantity Value Unit

Thermal expansion 16 - 17 e-6/K

Thermal conductivity 16 - 16 W/m.K

Specific heat 500 - 500 J/kg.K

Melting temperature 1370 - 1400 C

Service temperature 0 - 500 C

Density 8000 - 8000 kg/m3

Resistivity 0.7 - 0.7 Ohm.mm2/m

Hot keywords:AFNOR 42

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FURTHER READING:

AFNOR 20 MC 5 (2012-03-13)

AFNOR 20 NCD 2 (2012-03-13)

AFNOR 25 CD 4 S (2012-03-13)

AFNOR 32 C 4 (2012-03-13)

AFNOR 35 CD 4 (2012-03-13)

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