Material datasheet — print ready
One-page alloy spec
Driven by the 726-alloy unified materials database. Single-page printable specification with mechanical / physical / corrosion / fatigue / fracture / heat-treatment + cross-standard equivalents + applicable code clauses.
AISI 316L (low-C, sour service)
UNS S31603 · Stainless Austenitic
corrosion
A
$/kg ratio
5.5×
Mechanical
Yield strength σ_y207 MPa
Tensile strength σ_uts520 MPa
Elongation A55 %
Specific strength σ_y/ρ0.026 MPa·m³/kg
Elastic modulus E193 GPa
Brinell HB170
Vickers HV175
Physical
Density ρ7900 kg/m³
Thermal conductivity k16 W/m·K
Specific heat Cp500 J/kg·K
CTE α (RT)16 ×10⁻⁶/°C
CTE α (high-T)17.5 ×10⁻⁶/°C
Max service temperature870 °C
Service & fabrication
Corrosion ratingA
WeldabilityExcellent
Relative cost5.5× carbon steel
PREN26.1
FamilyStainless Austenitic
Cross-standard equivalents
ASMESA-240 316L
ASTMA240 316L
EN1.4404 (X2CrNiMo17-12-2)
DINX2 CrNiMo 17 13 2
JISSUS316L
GB / CN022Cr17Ni12Mo2
ISO 15608group 8.1
Typical composition (wt %)
Fe67 %
Cr17 %
Ni11 %
Mo2.5 %
Mn1.5 %
Si0.5 %
N0.05 %
C0.025 %
Fatigue (Basquin S-N)
σ_f' (Basquin)1000 MPa
Basquin slope b-0.090
Endurance Se230 MPa
Knee Ne1e+6 cycles
Fracture toughness
K_IC (typical)220 MPa·√m
Charpy USE250 J
Charpy LSE60 J
DBTT T₀-200 °C
Transition width C60 °C
Typical applications
most common refining/sour service
Code-of-record applicability
- ASME II Part D
- NACE MR0175 / ISO 15156-3
- ASTM A240
Generated by austenite.org · 726-alloy database · ASME II Part D · NACE MR0175 · cross-standards from EN 10027, JIS G, GB/T, ISO TR 15608. Property values are typical ranges; always confirm vs heat-specific MTC for code-of-record use.