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ISO H17 Application:ISO standard Austenite size heat resistant steel
Category Type Steel grade Standard Country
Grades Special Alloy ISO H17 ISO ISO

Chemical composition % of the ladle analysis of grade ISO H17

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
Max 0.15 1.0-2.0 Max 2.0 Max 0.045 Max 0.030 15.0-17.0 33.0-37.0
ISO standard  Austenite size heat resistant steel
Mechanical properties of grade ISO H17
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)
374 (≥) 974 (≥) 24 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 311
Physical properties of grade ISO H17
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
752 (≥) 887 (≥) 31 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 412
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
627 869 886
ISO H17 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
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
ISO H17 ISO ISO
Heat-resistant steels
X12CrMnNiN17-7-5, 1.4372,AISI 201, 1H17N4G9 ISO ISO
X12CrMnNiN17-7-5, 1.4372,AISI 201, 1H17N4G9 is used for household appliances (pots, trays, sinks, washing machines, refrigerators), dairy equipment (tanks, vats, pasteurizers, centrifuges), brewery equipment (fermentation tanks, barrels), catering equipme

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