Starrett 3811A - Page 22

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Table 2: Leeb to Tensile Strength Conversion Chart:
This is an Approximation only!
No.
Material
HLD
Strength σ
b
(MPa)
1
Mild steel
350～522
374～780
2
High-Carbon steel
500～710
737～1670
3
Cr steel
500～730
707～1829
4
Cr-V steel
500～750
704～1980
5
Cr-Ni steel
500～750
763～2007
6
Cr-Mo steel
500～738
721～1875
7
Cr-Ni-Mo steel
540～738
844～1933
8
Cr-Mn-Si steel
500～750
755～1993
9
Super strength steel
630～800
1180～2652
10
Stainless steel
500～710
703～1676