Sitemap | E-mail:sales@steelgs.com

STD4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STD4

Location » Home » Grades > Special Alloy > STD4

Contact

+86-13880247006

E-mail: sales@longhaisteel.com

KS STD4

Profile

This page is mainly introduced the STD4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STD4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:STD4
Type:Special Alloy
Country:Korea
Standard:KS
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STD4	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	131～312	σb/MPa
Yield Strength	404	σ 0.2 ≥/MPa
Elongation	79	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	674～926	-
HRC	30	-

Physical Properties

Thermal expansion	62-66	e-6/K
Thermal conductivity	54-24	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0023-9766	째C
Density	5790-2776	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)
STD4 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