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A/SA 542 Type B Class 4 UNS K21590
A/SA 542 Type B Class 4 UNS K21590
As the largest CromElso 22 Enhanced manufacturer in china, Bozhong Metal Group sales quality CromElso 22 Enhanced to customers all over the world.
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  • Parameter
  • Application
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 -
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
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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