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18CrNiMnMoA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 18CrNiMnMoA

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GBT 18CrNiMnMoA

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This page is mainly introduced the 18CrNiMnMoA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 18CrNiMnMoA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
18CrNiMnMoA

Steel Garde:18CrNiMnMoA
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	056～185	σb/MPa
Yield Strength	253	σ 0.2 ≥/MPa
Elongation	69	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	529～813	-
HRC	30	-

Physical Properties

Thermal expansion	82-56	e-6/K
Thermal conductivity	77-32	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2990-4703	째C
Density	0206-3639	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)
18CrNiMnMoA 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