A 959 Type 317LN Stainless Steels to A 959 (2011)

A 959 Type 317LN - Specification & Application

  • A 959 (2011) - Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Chemical composition(wt.%) of A 959 Type 317LN grade: to A 959 (2011)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Mn - 2.00
Si - 0.75
P - 0.045
S - 0.03
Cr 18.00 20.00
Ni 11.00 15.00
Mo 3.00 4.00
N 0.10 0.20

A 959 Type 317LN - Detail

Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Mechanical properties of grade A 959 Type 317LN A 959 (2011)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
796 (≥) 581 (≥) 42 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical properties of grade A 959 Type 317LN A 959 (2011)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
979 (≥) 244 (≥) 34 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 241
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
676 167 183

Equivalent Products

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