304L chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 304L

Location » Home » Grades > Stainless Steels > 304L

UNS 304L

Profile

This page is mainly introduced the 304L chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 304L,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steel, Corrosion-Resistant, Sheet, Strip, and Plate 19Cr - 9.5Ni (304L) Solution Heat Treated
  • Steel Garde:304L
  • Type:Stainless Steels
  • Country:USA
  • Standard:UNS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SAE AMS 5511H (2003) Steel, Corrosion-Resistant, Sheet, Strip, and Plate 19Cr - 9.5Ni (304L) Solution Heat Treated
    2 SAE AMS 5569B (2011) Steel, Corrosion and Heat Resistant, Seamless and Welded Hydraulic Tubing 19Cr - 9.5Ni - 0.03C max Cold Drawn, 1/8 Hard Temper
    3 SAE AMS 5584A (2006) Steel, Corrosion and Heat Resistant, Seamless and Welded Hydraulic Tubing 17Cr - 12Ni - 1.5Mo - 0.03C max Cold Drawn, 1/8 Hard Temper
    4 SAE AMS 5647J (2011) Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, And Rings 19Cr - 9.5Ni Solution Heat Treated
    5 SAE AMS-QQ-S-763B (1998) Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings
    6 SAE J 2515 (1999) High temperature materials for exhaust manifolds
    7 SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels
    8 SAE J 467 (1968) Special Purpose Alloys ("Superalloys")
  • Metallographic Structure:Austenite
  • Application:Steel, Corrosion-Resistant, Sheet, Strip, and Plate 19Cr - 9.5Ni (304L) Solution Heat Treated

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.030
Si   1.00
Mn   2.00
P   0.045
S   0.03
Cr 18.0  20.0
Ni 8.00  10.0
N   0.10

Mechanical Properties

Tensile strength 139~160 σb/MPa
Yield Strength 460 σ 0.2 ≥/MPa
Elongation 41 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 994~553 -
HRC 30 -

Physical Properties

Thermal expansion 86-19 e-6/K
Thermal conductivity 19-66 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0263-4053 째C
Density 7396-9184 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)
304L 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

Hot keywords:304L
Previous: 304 L
Next: 304L