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GH1040 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH1040

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GB GH1040

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This page is mainly introduced the GH1040 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH1040,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GH1040

Steel Garde:GH1040
Type:Stainless Steels
Country:China
Standard:GB

Standard Number:

ITEM	Standard Number	Descriptions
1	GB/T 14992 (2005)	Classification and designation for superalloys and high temperature intermetallic materials
2	GB/T 14994 (2008)	Cold brawn heat-resisting superalloy bars

Application:Classification and designation for superalloys and high temperature intermetallic materials

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.12
Cr	15.0	17.5
Mo	5.50	7.00
Ni	24.0	27.0
Si	0.50	1.00
Mn	1.00	2.00
P		0.030
S		0.020
N	0.10	0.20

Mechanical Properties

Tensile strength	810～588	σb/MPa
Yield Strength	133	σ 0.2 ≥/MPa
Elongation	42	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	538～679	-
HRC	30	-

Physical Properties

Thermal expansion	57-41	e-6/K
Thermal conductivity	91-73	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2482-7756	째C
Density	7149-8171	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)
GH1040 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