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STSXM27TB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STSXM27TB

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KS STSXM27TB

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This page is mainly introduced the STSXM27TB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STSXM27TB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel for boiler and heat exchanger tubes

Steel Garde:STSXM27TB
Type:Stainless Steels
Country:Korea
Standard:KS
Standard Number:

ITEM Standard Number Descriptions

1 D 3577 (2007) Stainless steel for boiler and heat exchanger tubes
Metallographic Structure:Ferrite
Application:Stainless steel for boiler and heat exchanger tubes

ITEM	Standard Number	Descriptions
1	D 3577 (2007)	Stainless steel for boiler and heat exchanger tubes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STSXM27	KS	Korea
STS XM27	KS	Korea

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.01
Si		0.40
Mn		0.40
P		0.030
S		0.020
Cr	25.00	27.00
Ni		0.50
Mo	0.75	1.50
N		0.015
Cu		0.20
Ni+Cu		0.50

Mechanical Properties

Tensile strength	923～773	σb/MPa
Yield Strength	444	σ 0.2 ≥/MPa
Elongation	02	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	247～295	-
HRC	30	-

Physical Properties

Thermal expansion	49-63	e-6/K
Thermal conductivity	71-42	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8630-4381	째C
Density	2504-7647	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)
STSXM27TB 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