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UNS Grade 1300 M Details

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Grade 1300 M Application:Categorization and properties of dent resistant, high strength, and ultra high strength automotive sheet steel

Category Type Grade Microstructure Designations
Grades Stainless Steels Grade 1300 M Precipitation-Hardening USA - UNS , SAE J 2340 (1999) - Categorization and properties of dent resistant, high strength, and ultra high strength automotive sheet steel

Chemical composition(wt.%) of Grade 1300 M grade: SAE J 2340 (1999)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.40
Si - 1.60
Mn - 0.75
P - -
S - -
Ni - 0.40
Cr - 1.85
Al - -
Cu - -
Ti - -
Fe - remaining
N - -
Mo - -
V - 0.08
Categorization and properties of dent resistant, high strength, and ultra high strength automotive sheet steel

Mechanical properties of grade Grade 1300 M SAE J 2340 (1999)

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)
246 (≥) 197 (≥) 13 33 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical properties of grade Grade 1300 M SAE J 2340 (1999)

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
252 (≥) 996 (≥) 41 21 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 443
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
285 722 944

Grade 1300 M - 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
300M UNS USA
Special Purpose Alloys ("Superalloys")
A 646 Grade 300M SAE USA
Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings
Grade 1300 M UNS USA
Categorization and properties of dent resistant, high strength, and ultra high strength automotive sheet steel

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