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ASTM O1 Details

ASTM O1 Standard Download

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O1 Application:Oil-Hardening Tool Steel

Category Type Grade Designations
Grades Tool Die Steels O1 USA - ASTM ,

Chemical composition(wt.%) of O1 grade:

Elements Min.（≥） Max.（≤） Similar Remarks
C 0.85 1.00
Si 0.10 0.50
Mn 1.00 1.40
P - 0.030
S - 0.030
Cr 0.40 0.60
Mo - -
V - 0.30
W 0.40 0.60
Ni＋Cu - 0.75
Oil-Hardening Tool Steel

Mechanical properties of grade O1

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)
999 (≥) 633 (≥) 32 33 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical properties of grade O1

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
345 (≥) 887 (≥) 13 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 431
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
315 779 711

O1 - 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
00Cr17Ni14Mo2 GB China
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
X2CrNiMo18-14-3 AWS Germany
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
1.4435 AWS Germany
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
Z 3 CND 17-11-02 DIN France
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
TS 60 SS International
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
X70CrMo15 AWS Germany
Stainless steels - Part 3: Technical dStainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposeselivery conditions for semi-finishe
1.4109 AWS Germany
Stainless steels - Part 3: Technical dStainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposeselivery conditions for semi-finishe
X55CrMo14 AWS Germany
Stainless steels - Part 3: Technical dStainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposeselivery conditions for semi-finishe
1.4110 AWS Germany
Stainless steels - Part 3: Technical dStainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposeselivery conditions for semi-finishe
X6CrMo17-1 AWS Germany
Steel rod, bars and steel wire for cold heading and cold extrusion - Part 5: Technical delivery conditions for stainless steels
1.4113 AWS Germany
Steel rod, bars and steel wire for cold heading and cold extrusion - Part 5: Technical delivery conditions for stainless steels
X20CrMo13 AWS Germany
Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments
1.4120 AWS Germany
Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments
X39CrMo17-1 AWS Germany
Stainless steels - Part 3: Technical dStainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposeselivery conditions for semi-finishe
1.4122 AWS Germany
Stainless steels - Part 3: Technical dStainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposeselivery conditions for semi-finishe
X105CrMo17 AWS Germany
Stainless steels - Part 3: Technical dStainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposeselivery conditions for semi-finishe
1.4125 AWS Germany
Stainless steels - Part 3: Technical dStainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposeselivery conditions for semi-finishe
32CrMo12 DIN Germany
Nitriding steel
1.7361 DIN Germany
Nitriding steel
X5CrNiMo17-12-2 DIN Germany
DIN 1654-5 (1989) Cold heading and cold extruding steels; technical delivery conditions for stainless steels; Replaced by DIN EN 10263-5:2002

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