JB/T 1265-1993 Technical requirements for rotor and main shaft forgings of 25-200MW steam turbines

This standard specifies the technical requirements, inspection rules, test methods, certificates and marks of vacuum-treated alloy steel forgings for 25~200 MW steam turbine rotors and main shafts. This standard applies to the ordering, manufacturing and inspection of vacuum-treated alloy steel forgings for steam turbine rotors and main shafts with a steam temperature not exceeding 565°C. JB/T 1265-1993 Technical conditions for 25~200MW steam turbine rotors and main shaft forgings JB/T1265-1993 Standard download decompression password: www.bzxz.net

The People's Republic of China pressure machinery industry standard JB/T12651993
25~200MW
1993-09-214
1994-07-01
G R2 0P uDEe/
25~200 MW South
25~200MWf
GB2106
JB/ZQ6101
JB/ZQ6117
4.1.1.1 Bottle
1993-09-21This
JB/T12651993
JB1265—85
133Pat
1994-07-01
4. 1. 2.
4.1.2.2 Bottle
4.1.3.1 Wing
4.1.3.2 Division
4.1.3.3 Bottle
4.1.4.1 Look
4. 1. 4. 2*
4.1.4.4 bottles
34CrMo1E
30Cr1Mo1VE
34CrNi3MoE
JB/T12651993
30Cr2Ni4MoVE
30Cr2Ni4MoVE
4.1.3.3 vehicles
660 millimeters
28CrMoNiVE
30Cr2Ni4MoVE
Po p,?
AtAPark
0.90private40.90
JB/T12651993
0.0050.005
30Cr1Mo1VE
46E1YE
￥4535
0.020.005
￥830
AytAgu Park
FATTso
34CrMo1E
JB/T12651993
28CrMoNiVE
34CrNi3MoE
30Cr1Mo1VE
3 0HBS wing
text 3mmz
￥Y35
34CrNi3MoE
40HBStwww.bzxz.net
4Q gram 40
3530EY
34CrNi3MoE
30Cr2Ni4MoVE
30Cr2Ni4MoVE
3mm surface
2mm true
4.5.3.2 lean
4.5.3.3 bottle
4.5.3.5 red
JB/T12651993
3mm bottle
3dB bottle
2~2.5 MHz4~5 MHz period
30Cr1Mo1VE
Ap Bp C Dm
GB223 aviation
3mm no
1.6fm bottle
5. 1. 2 each
5.2. 1 body
5.2.3.1 grain
5. 4. 2 vertical
5.5.1 Vertical
JB/T12651993
JB/ZQ6117#GB228gGB2291
GB2106m
GB6395m
690mmt
FATTso
JB/ZQ6101 shark
1/3 side
25mmA25mm
D,=EHID| | tt | 4
1994A5 onwards
14,000
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