1.Material: ASTM A387Gr2CL1, ASME SA387Gr2CL1
2.RelativeGrades:A387Gr11CL2,A387Gr12CL1,A387Gr12CL2,A387Gr11CL1, A387Gr2CL1,A387Gr22CL1,A387Gr22CL2,
A387Gr21CL1,A387Gr21CL2,A387Gr5CL1,A387Gr5CL2,A387Gr9CL1,A387Gr9CL2,A387Gr21LCL1,A387Gr22LCL1, A387Gr91CL2
3.Application Potential:SA387Gr2CL2/A387Gr2CL2 chromium-molybdenum alloy steel plates are intended primarily for welded boilers
and pressure vessels designed for elevated temperature service.
4.Chemical Composition of SA387Gr2CL2/A387Gr2CL2 boiler plate:
A 387 gr.2 Chemical composition
C 0.04-0.21
Mn0.50-0.88
S 0.035
P 0.035
Si 0.13-0.45
5.Mechanical Property of SA387Gr2CL2/A387Gr2CL2 boiler plate:
A 387 gr.2 Mechanical properties
Tensile strength, ksi [MPa] 70 to 90 [480 to 620]
Yield strength, min,A ksi [MPa] 45 [310]
Elongation in 8 in.[200 mm],min,%B 18
Elongation in 2 in.[50 mm],min,%B 22
6.Heat treatment:SA387Gr2CL2/A387Gr2CL2 plates shall be thermally treated either by annealing, normalizing- and -tempering, or,
when permitted by the purchaser, accelerated cooling from the austenitizing temperature by air blasting or liquid quenching, followed by tempering.
7.Supplementary requirements of SA387Gr2CL2/A387Gr2CL2 boiler plate:As in ASTM/ASME (S)A387
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