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ISO ISO H22 Details

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ISO H22 Application:Nickel and nickel alloy forgings

Category Type Grade Designations
Grades Stainless Steels - Special Steels ISO H22 International - ISO , ISO 6207 (1992) - Seamless nickel and nickel alloy tube
ISO 6208 (1992) - Nickel and nickel alloy plate, sheet and strip
ISO 9722 (1992) - Nickel and nickel alloys - Composition and forms of wrought products
ISO 9723 (1992) - Nickel and nickel alloy bars
ISO 9724 (1992) - Nickel and nickel alloy wire and drawing stock
ISO 9725 (1992) - Nickel and nickel alloy forgings

Chemical composition(wt.%) of ISO H22 grade: ISO 6207 (1992)

Elements Min.(≥) Max.(≤)
C - 0.10
Si - 0.50
Mn - 0.50
P - 0.015
S - 0.015
Cr 20.00 23.00
Ni 58.00 -
Mo 8.00 10.00
Nb+Ta 3.15 4.15
Ti - 0.40
Ai - 0.40
Co - 1.00
Fe - 5.00
Nickel and nickel alloy forgings

Mechanical properties of grade ISO H22 ISO 6207 (1992)

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)
641 (≥) 358 (≥) 44 24 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical properties of grade ISO H22 ISO 6207 (1992)

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
961 (≥) 383 (≥) 44 33 13 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
275 715 388

ISO H22 - 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
ISO H22 ISO International
Nickel and nickel alloy forgings

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