DSP : Wheels, Axles & Wheel Set
|
Item
|
Weight per piece
kg
|
Wheel tread dia
mm
|
Axle load
t
|
|
Diesel Loco Wheel
|
528
|
1097
|
|
|
BG Coach Wheel
|
384
|
920
|
|
|
13T BG Coach Wheel Set
|
1072
|
915
|
13.00
|
|
16T AC Wheel Set
|
1092
|
915
|
16.25
|
|
IR-20 Bogie Wheel
|
333
|
890
|
|
|
BOX Wheel Set
|
1343
|
1000
|
20.00
|
|
BOX N Wheel Set
|
1430
|
1000
|
22.90
|
|
BOX N Loose Wheel
|
473
|
1000
|
|
|
BOX N Loose Axle
|
552
|
|
22.90
|
|
16T Loose Axle
|
378
|
|
16.25
|
|
13 T Loose Axle
|
363
|
|
13.00
|
All the above items are as per the
relevant drawings
Chemical Composition
|
Specification
|
C%
max
|
Mn %
|
P% max
|
S%
max
|
Si%
|
|
IRS: R-16/ 95*
|
0.37
|
1.2 max
|
0.040
|
0.040
|
0.15-0.46
|
|
IRS: R-19/ 93**
|
0.52
|
0.60-0.80
|
0.030
|
0.030
|
0.15-0.40
|
|
IRS: R-34/ 99***
|
0.57-0.67
|
0.60-0.85
|
0.030
|
0.030
|
0.15 min
|
*P+S = 0.07 max
**For IRS:R-19/93
Hydrogen content £
3ppm (Liquid steel)
*** For IRS: R-34/99
Hydrogen content £
2.5 ppm
Mechanical Properties
|
Specification
|
Yield Strength
min N/mm2
|
Tensile Strength N/mm2
|
% Elongation
|
Impact Test
V-Notch
at -200C
J/cm2
|
|
IRS: R-16/ 95
|
Normalised
|
320
|
550-650
|
22 min
|
24 min
|
|
Quenched & Tempered
|
350
|
550-700
|
24 min
|
40 min
|
|
IRS: R-19/ 93
|
50% of UTS
|
820-940
|
14 min
|
15 min
|
|
IRS: R-34/ 99
|
50% of UTS
|
775-900
(at web)
|
13-11
(min)
|
10 min
|
For IRS: R-19/93: Hardness range- 241
to 277 BHN.
For IRS: R-34/99: Hardness range on
outside face of rim: 300-341 BHN. On the hub face of the wheel,
hardness shall not exceed 293 BHN.
Wheels are 100% rim-sprayed, tempered
and hardness tested along with ultrasonic testing in IRS: R-19/93
and IRS: R-34/99 specifications.
Applications
|
Specification
|
Application
|
|
IRS: R-34/99
|
Diesel Loco Wheels
|
|
IRS: R-19/93
|
BG Coaching and other wheels
|
|
IRS: R-16/95
|
Axles
|
