A/SA 542 Type B Class 4 UNS K21590
STANDARDS
Bozhong TRADEMARKS
PLATES ASTM A / ASME SA
PLATES EN 10028 series
FORGINGS ASTM A / ASME SA
OTHER
CromElso 22 Enhanced
A/SA 542 Type B Class 4
UNS K21590
12CrMo9-10
1.7375
A/SA 508 Grade 22 Class 4
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CHEMICAL ANALYSIS (%WEIGHT)
C
Mn
P
S
Si
Cr
Mo
Ni
V
Other
≤0.15
≤0.60
≤0.007
≤0.004
≤0.25
2.0 - 2.50
0.9 - 1.1
≤0.25
≤0.01
-
PROPERTIES
Yield Strength (min)
Ultimate Tensile Strength
ADDITIONAL TRADEMARK FEATURES
MPa [ksi]
MPa [ksi]
Carbon Equivalent
J-factor X-bar
Charpy-V temperature
Other
415 [60]
585 - 760 [85-110]
-
J < 100 X ≤ 15
-29°C [-20°F]
-
DELIVERY PROGRAM
Max Unit Weight tonnes
Thickness mm [in.]
Max Width mm [in.]
Max Length mm [in.]
Heat treament
60
6 - 250 [¼ - 10]
4350 [170]
18000 [710]
QT