JB/T 1268-1993 Technical Specifications for Non-magnetic Guard Ring Forgings for 50-200MW Steam Turbine Generators

JB/T 1268-1993 Technical Specifications for Non-magnetic Guard Ring Forgings for 50-200MW Turbogenerators JB/T1268-1993 Standard download decompression password: www.bzxz.net

The People's Republic of China pressure machinery industry standard JB/T12681993
50~200MW
1993-09-214
1994-07-01
G R2 0P uDEe/
50~200 MW color
50~200MW vertical season
50~200MW bottle
GB4338
GB6394
JB4010
JB/ZQ6117
JB/ZQ6136
JB/ZQ6158
4.1.3.1 bottle
1993-09-21
JB/T12681993
JB1268—85||tt| |1994-07-01
4.1.4.1 Tyrant
4.1.5.1 Cabin
4.1.5.2 Bottle
50Mn18Cr5
50Mn18Cr5N
50Mn18Cr4WN
1Mn18Cr18N
50Mn18Cr5
50Mn18Cr5N
50Mn18Cr4WN
1Mn18Cr18N||t t||0.40 ~ 0.60 | | tt | | 0.40 ~ 0.60 | | tt | 00
17.50~20.00
0.30~0.80
0.30~0.80
0.30~0.8 0 | | tt | | 50Mn18Cr5 | 0~6.00
3.50~5.00
17.50~20.00
980~1030
P Po2 A4%
95~105g20~27
1Mn18Cr18N
4.6.3.4 bottle
5. 2. 4 symptoms
GB6394
100mm bottle
1.6A10*A/m inspection
GB223 petal
JB/ZQ6117
1/2 bottlewwW.bzxz.Net
JB/T12681993
2~3mm plate
13.8A10-7H/m
1/2 bottle
GB4338
100mmi
GB6394
JB401 0
JB/ZQ6136
JB/T12681993
D,=E4ID
25mmA25mm
JB/T12681993
50~200MW
JB/T12681993
880A123 0
1994A5 onwards
100044
1994A5 onwards
10,000
66 89 /
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