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STSF6B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STSF6B

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This page is mainly introduced the STSF6B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STSF6B,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel forgings for pressure vessels

Steel Garde:STSF6B
Type:Stainless Steels
Country:Korea
Standard:KS
Standard Number:

ITEM Standard Number Descriptions

1 D 4115 (2001) Stainless steel forgings for pressure vessels
Metallographic Structure:Martensite
Application:Stainless steel forgings for pressure vessels

ITEM	Standard Number	Descriptions
1	D 4115 (2001)	Stainless steel forgings for pressure vessels

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si		1.00
Mn		1.00
P		0.020
S		0.020
Cr	11.50	13.50
Ni	1.00	2.00
Mo	0.40	0.60
Cu		0.50

Mechanical Properties

Tensile strength	377～703	σb/MPa
Yield Strength	890	σ 0.2 ≥/MPa
Elongation	16	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	480～948	-
HRC	30	-

Physical Properties

Thermal expansion	42-22	e-6/K
Thermal conductivity	75-10	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4927-6269	째C
Density	7383-2926	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)
STSF6B 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