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ASTM Nonmagnetizable Steel X55MnCr18-5 / 18Mn-4Cr Details

X55MnCr18-5 X55MnCr18-4 18Mn-4Cr

ASTM Nonmagnetizable Steel X55MnCr18-5 / 18Mn-4Cr Standard Download

Nonmagnetizable Steel X55MnCr18-5 / 18Mn-4Cr Datasheet
ASTM Nonmagnetizable Steel X55MnCr18-5 / 18Mn-4Cr

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Nonmagnetizable Steel X55MnCr18-5 / 18Mn-4Cr Application:Nonmagnetizable Steel
Category Type Grade Designations
Grades Stainless Steels Nonmagnetizable Steel X55MnCr18-5 / 18Mn-4Cr USA - ASTM , ASTM STP 903 - Nonmagnetizable Steel
Chemical composition(mass fraction)(wt.%)
Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.55
Mn - 18
Cr - 4.5
Mechanical properties of grade Nonmagnetizable Steel X55MnCr18-5 / 18Mn-4Cr
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)
351 (≥) 359 (≥) 12 42 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 221
Physical properties of grade Nonmagnetizable Steel X55MnCr18-5 / 18Mn-4Cr
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
436 (≥) 514 (≥) 22 33 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
546 918 616
Nonmagnetizable Steel X55MnCr18-5 / 18Mn-4Cr 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
Nonmagnetizable Steel X55MnCr18-5 / 18Mn-4Cr ASTM USA
Nonmagnetizable Steel