NC20TA Special Alloy

Chemical composition%of the ladle analysis of gradeNC20TA

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Cu(%)Co(%)B(%)Al(%)Ti(%)Other(%)
0.04-0.10Max 1.00Max 1.00Max 0.020Max 0.01518.0-21.0RemainMax 0.20Max 2.00Max 0.0081.00-1.801.80-2.70Fe Max 3.00
NC20TA

Mechanical properties of gradeNC20TA

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)
166(≥) 254(≥) 41 11 43 Solution and Aging,Annealing,Ausaging,Q+T,etc 222

Physical properties of grade NC20TA

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
555(≥) 828(≥) 31 43 44 Solution and Aging,Annealing,Ausaging,Q+T,etc 231
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
928 489 224

NC20TA 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

Equivalent Grade