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ISO X7CrSi17 Details

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X7CrSi17 Application:Stainless steels - Chemical composition

Category Type Grade Microstructure Designations
Grades Stainless Steels X7CrSi17 Ferrite International - ISO , ISO 15510 (2010) - Stainless steels -- Chemical composition
ISO 16143-2 (2004) - Stainless steels for general purposes -- Part 2: Semi-finished products, bars, rods and sections
ISO 16143-3 (2005) - Stainless steels for general purposes -- Part 3: Wire
ISO/TS 15510 (2003) - Stainless steels - Chemical composition

Chemical composition(wt.%) of X7CrSi17 grade: ISO 15510 (2010)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.09
Si - 1.50
Mn - 1.50
P - 0.040
S 0.15 -
Cr 16.00 18.00
Ni - -
Mo - 0.60
N - -
Stainless steels - Chemical composition

Mechanical properties of grade X7CrSi17 ISO 15510 (2010)

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)
173 (≥) 297 (≥) 11 34 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical properties of grade X7CrSi17 ISO 15510 (2010)

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
982 (≥) 924 (≥) 24 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 124
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
872 519 877

X7CrSi17 - Form of Supply

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

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
X7CrSi17 ISO International
Stainless steels - Chemical composition

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