Grades | Stainless Steels | A 959 Type 317LM

SAE A 959 Type 317LM ( Precipitation-Hardening )

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A 959 Type 317LM Application:Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Chemical composition(mass fraction)(wt.%) of the A 959 Type 317LM
Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.30
Si - 0.70
Mn - 2.00
P - 0.045
S - 0.03
Ni 13.00 27.00
Cr 18.00 20.00
Al - -
Cu - 0.75
Ti - -
Fe - -
N - 0.10
Mo 4.00 5.00
V - 0.08

Mechanical properties of grade A 959 Type 317LM

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
871 (≥) 138 (≥) 41 13 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical properties of grade A 959 Type 317LM

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
957 (≥) 583 (≥) 43 43 14 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
- - -
762 866 967 - - -

A 959 Type 317LM Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED