1.2779 X6NiCrTi26-15 Strand Guiding Rolls slab Caster Rolls Bender Roller For Indian Slab Casting plants
These days we produce some 1.2779 X6NiCrTi26-15 Strand Guiding Rolls slab Caster Rolls Bender Roller For Indian Slab Casting plants
We make forged, heat treatment and final machined Strand Guiding Rolls slab Caster Rolls Bender Roller for our Indian Slab Casting plants
Chemical chemical compostion of 1.2779 X6NiCrTi26-15 Strand Guiding Rolls slab Caster Rolls Bender Roller for our Indian Slab Casting plants
Chemical Composition ( % )
Standard
C
Si
Mn
P
S
Cr
Ni
Cu
Co
W
Mo
Al
Ti
0.03-0.08
≤1.0
1.0-2.0
≤0.025
≤0.015
13.5-16.0
24.0-27.0
1.0-1.5
≤0.35
1.9-2.30
Actual
0.064
0.23
1.49
0.009
0.002
15.20
26.74
1.3
0.12
2.26
Standard
Fe
Nb+Ta
V
B
Pb
Bi
Se
Sb
Mg
N
balance
0.1-0.5
0.003-0.01
Actual
balance
0.24
0.008
Mechanical property of 1.2779 X6NiCrTi26-15 Strand Guiding Rolls slab Caster Rolls Bender Roller for our Indian Slab Casting plants
Testing Specimen in
ageing treatment Mechanical Property
℃ Test Temp
Rm
Rp0.2
A
Z
MPa
MPa
%
%
Standard
ROOM
Temepature
900-1050
≥635
≥15
Actual
1045
750
23.5
Standard
Actual
Hardness of 1.2779 X6NiCrTi26-15 Strand Guiding Rolls slab Caster Rolls Bender Roller for our Indian Slab Casting plants :266-31HB
Heat treatment way of 1.2779 X6NiCrTi26-15 Strand Guiding Rolls slab Caster Rolls Bender Roller for our Indian Slab Casting plants :266-31HB
solution treatment in 900 degree*2 hours water cooling,ageing treatment in 720 degree*16 hours air cooling
Ultrasonic examination for 1.2779 X6NiCrTi26-15 Strand Guiding Rolls slab Caster Rolls Bender Roller for our Indian Slab Casting plants is as following.Unacceptable defects are:
Cracks
Fault indications corresponding to a flat-bottomed hole FBH> ф3mm
Fault indications corresponding to a flat-bottomed hole FBH2 ф1.5mm with alength 2 30mm
Reports shall be submitted in the event of:
Fault indications corresponding to a flat-bottomed hole FBH 2 ф2mm
Fault indications corresponding to a flat-bottomed hole FBH 2 ф1 .5mm withmeasurable length.
FOllowing is material inspection certificate of 1.2779 X6NiCrTi26-15 Strand Guiding Rolls slab Caster Rolls Bender Roller