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

KS STSXM27TB

Profile

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

Cross Reference Table(Equivalent Materials):

Material Standard Country
STSXM27 KS Korea
STS XM27 KS Korea

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
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 135~321 σb/MPa
Yield Strength 913 σ 0.2 ≥/MPa
Elongation 42 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 758~548 -
HRC 30 -

Physical Properties

Thermal expansion 05-42 e-6/K
Thermal conductivity 37-43 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7537-2887 째C
Density 7608-2525 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

Technical specification/standard for download