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A/SA 387 Grade 91 Class 2
A/SA 387 Grade 91 Class 2
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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
APPLICATIONS
OIL & GAS POWER GENERATION STORAGE AND TRANSPORTATION
Offshore and onshore production Refining and Petrochemicals Gas processing Thermal Nuclear Renewables Tanks Pipes and Fittings Grades suitability
Steels For High Temperature Service
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