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7Cr17 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 7Cr17

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GBT 7Cr17

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This page is mainly introduced the 7Cr17 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 7Cr17,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
7Cr17

Steel Garde:7Cr17
Type:Special Alloy
Country:China
Standard:GBT
Application:Martensitic Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
07Cr17Ni12Mo2	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	752～439	σb/MPa
Yield Strength	730	σ 0.2 ≥/MPa
Elongation	68	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	360～941	-
HRC	30	-

Physical Properties

Thermal expansion	63-59	e-6/K
Thermal conductivity	77-66	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2683-9578	째C
Density	2194-4450	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)
7Cr17 Special Alloy	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