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1.4031 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4031

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B.S. 1.4031

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This page is mainly introduced the 1.4031 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4031,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel strip for springs - Technical delivery conditions

Steel Garde:1.4031
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS EN 10088-1	Stainless steels - Part 1: List of stainless steels
2	BS EN 10088-2	Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
3	BS EN 10088-3	Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
4	BS EN 10151	Stainless steel strip for springs - Technical delivery conditions

Metallographic Structure:Martensite
Application:Stainless steel strip for springs - Technical delivery conditions

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
X39Cr13	AWS	Germany
1.4031	AWS	Germany
X39Cr13	B.S.	UK
X39Cr13	AFNOR	France
1.4031	AFNOR	France
X45Cr13	DIN	Germany
1.3541	DIN	Germany
X39Cr13	ISO	International

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.36	0.42
Si		1.00
Mn		1.00
P		0.04
S		0.015
Cr	12.50	14.50
Ni
Mo

Mechanical Properties

Tensile strength	944～034	σb/MPa
Yield Strength	745	σ 0.2 ≥/MPa
Elongation	21	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	034～369	-
HRC	30	-

Physical Properties

Thermal expansion	26-21	e-6/K
Thermal conductivity	67-84	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8992-9776	째C
Density	3860-4307	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)
1.4031 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