Sitemap | E-mail:sales@steelgs.com

A70284 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A70284

Location » Home » Grades > Special Alloy > A70284

Contact

+86-13880247006

E-mail: sales@longhaisteel.com

GBT A70284

Profile

This page is mainly introduced the A70284 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A70284,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
A70284

Steel Garde:A70284
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	455～723	σb/MPa
Yield Strength	864	σ 0.2 ≥/MPa
Elongation	29	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	006～268	-
HRC	30	-

Physical Properties

Thermal expansion	59-04	e-6/K
Thermal conductivity	56-48	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0144-1448	째C
Density	9786-6498	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)
A70284 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