PRODUCTS : A286/660

Technical data - nominal percentages

  C Mn Si P S Cr Ni Mo Ti Al V B  
Min - - - - - 13.5 24.0 1.00 1.90 - 0.001 - %
Max 0.08 2.00 1.00 0.040 0.030 16.0 27.0 1.50 2.35 0.35 0.50 0.010 %
Var +
0.01		 +/-
0.04		 +/-
0.05		 +
0.005		 +
0.005		 +/-
0.20		 +/-
0.20		 +/-
0.05		 +/-
0.05		 +/-
0.05		 +/-
0.03		 -0.0004
+0.001		 %


Mechanical data

Gr 660
Class		 Tensile Strength, min Yield Strength (0.2% offset) min Elongation in 4X Dia min % Reduction in Area Min % Brinell Hardness Number Approx Rockwell Hardness
- Ksi Mpa Ksi Mpa - - - Min Max
A,B,C 130 895 85 585 15 18 248-341 24 HRC 37 HRC
D 130 895 105 725 15 18 248-321 24 HRC 35 HRC

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