If the hardness of shell-bark hickory is assumed to be 100, other woods will compare with it as follows:

Shell-bark hickory.......

100

Pignut hickory ..........

96

White oak ...................

84

White ash ...................

77

Dogwood......................

75

Scrub oak ...................

73

White hazel ................

72

Red oak ......................

69

White beach................

65

Black walnut................

65

Black birch ................

62

Yellow oak...................

60

White elm ...................

58

Hard maple ................

56

Red cedar ....................

56

Wild cherry ................

55

Yellow pine ...............

54

Chestnut......................

52

Yellow poplar .............

51

White birch ................

43

Butternut ....................

43

White pine....................

30