Grades | Stainless Steels | ISO 7

ISO ISO 7 ( Martensite )

PDF | Word | Print

ISO 7 Application:Stainless steels - Chemical composition

Chemical composition(mass fraction)(wt.%) of the ISO 7
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.08 0.15
Si - 1.00
Mn - 1.50
P - 0.040
S 0.15 -
Cr 12.00 14.00
Ni - -
Mo - 0.06
N - -

Mechanical properties of grade ISO 7

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
585 (≥) 396 (≥) 23 41 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical properties of grade ISO 7

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
291 (≥) 329 (≥) 33 34 23 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
- - -
368 585 734 - - -

ISO 7 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