Home > Material
ASTM A 453/453M-2002
Standard Specification for High-Temperature Bolting Materials,with Expansion Coefficients Comparable to Austenitic Stainless Steels
Material Designation Chemical Composition (%)
Grade 660 (S66286)
C Si Mn P S Ni Cr B Al Mo Ti V
Min - - - - - 24 13.5 0.001 - 1 1.9 0.1
Max 0.08 1 2 0.04 0.03 27 16 0.01 0.35 1.5 2.35 0.5
Grade 651 (S63198)
C Si Mn P S Cu Ni Cr Mo W Ti Nb
Min 0.28 0.3 0.75 - - - 8 18 1 1 0.1 0.25
Max 0.35 0.8 1.5 0.04 0.03 0.5 11 21 1.75 1.75 0.35 0.8
Grade 662 (S68220)
C Si Mn P S Cu Ni Cr B Al Mo Ti
Min - 0.4 0.4 - - - 24 12 0.001 - 2 1.8
Max 0.08 1 1 0.04 0.03 0.5 28 15 0.01 0.35 3.5 2.1
Grade 665 (S66545)
C Si Mn P S Cu Ni Cr B Al Mo Ti
Min - 0.1 1.25 - - - 24 12 0.01 - 1.25 2.7
Max 0.08 0.8 2 0.04 0.03 0.25 28 15 0.07 0.25 2.25 3.3
For Reference Only