A/SA 387 Grade 91 Class 2
STANDARDS
INDUSTEEL TRADEMARKS
PLATES ASTM A / ASME SA
PLATES EN 10028 series
FORGINGS ASTM A / ASME SA
OTHER
CromElso 91
A/SA 387 Grade 91 Class 2
UNS K90901
X10CrMoVNb9-1
1.4903
A/SA 336 Grade F91
VdTüV 511/2
CHEMICAL ANALYSIS (%WEIGHT)
C
Mn
P
S
Si
Cr
Mo
Ni
V
Other
0.08-0.12
0.30-0.50
≤0.015
≤0.004
≤0.50
8.5 - 9.5
1.0
≤0.20
0.2
Nb 0.06-0.10
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]
-
-
-20°C [-4°F]
N/Al ≥ 3.0 creep resistant
DELIVERY PROGRAM
Max Unit Weight tonnes
Thickness mm [in.]
Max Width mm [in.]
Max Length mm [in.]
Heat treament
60
6 - 200 [¼ - 8]
4350 [170]
18000 [710]
NT or QT