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1.4938 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4938

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AFNOR 1.4938

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This page is mainly introduced the 1.4938 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4938,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Creep resisting steels, nickel and cobalt alloys

Steel Garde:1.4938
Type:Stainless Steels
Country:France
Standard:AFNOR

Standard Number:

ITEM	Standard Number	Descriptions
1	NF EN 10088-1	Stainless steels - Part 1: List of stainless steels
2	NF EN 10269	Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
3	NF EN 10302 (2002)	Creep resisting steels, nickel and cobalt alloys

Application:Creep resisting steels, nickel and cobalt alloys

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
X12CrNiMoV12-3	AFNOR	France
X12CrNiMoV12-3, 1.4938	EN	European

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.08	0.15
Si		0.50
Mn	0.40	0.90
P		0.025
S		0.015
Cr	11.00	12.50
Ni	2.00	3.00
Mo	1.50	2.00
V	0.25	0.40
N	0.020	0.040

Mechanical Properties

Tensile strength	955～948	σb/MPa
Yield Strength	115	σ 0.2 ≥/MPa
Elongation	56	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	470～981	-
HRC	30	-

Physical Properties

Thermal expansion	73-59	e-6/K
Thermal conductivity	63-74	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0145-7173	째C
Density	8871-2682	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
1.4938 Stainless Steels	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk