LAXMI UDYOG OIL FIELD EQUIPMENTS PVT LTD, JODHPUR
F-P-16-03 (HEAT TREATMENT LOG BOOK SHEET)
Furnace Number
9
Date
10.08.21
Item
Substitute
Material Grade
AISI 4145 H
Required Hardness
30-35 HRC
Furnace On Time
8:00 AM
Nos.
14-15
Hardening
Tempering
Temperature Required
860 Deg C
Furnace No.
9
Time of Temperature Attained
2:00 PM
Temperature
560 Deg C
Soaking Period
2 Hrs
Time
2 Hrs
Quenching Temperature
860 Deg C
Quenching Time
4:00 PM
Hardening
Time
08:00
08:30
09:00
09:30
10:00
10:30
11:00
11:30
12:00
12:30
13:00
13:30
14:00
15:00
16:00
Tempering
Time
19:00
20:00
21:00
22:00
23:00
Temperature
TC 1
67
136
207
278
343
412
483
548
623
692
764
829
862
865
869
TC 2
67
149
230
304
360
423
493
574
638
713
789
839
873
892
896
1000
900
800
700
600
500
400
300
200
100
0
TC 1
Tempering
Temperature
TC 1
250
369
563
564
568
TC 2
262
396
589
594
593
TC 2
700
600
500
400
300
200
100
0
19:00
20:00
21:00
TC 1
22:00
23:00
TC 2
Authorised Signature