Appendix 2: Carbon Steels Tensile Strength versus Brinell Hardness

Tables 2.1A and 2.1B. AISI 1015 low-carbon steel

Tables 2.2A and 2.2B. AISI 1018 low-carbon steel

Tables 2.3A and 2.3B. AISI 1020 low-carbon steel

Tables 2.4A and 2.4B. AISI 1021 and 1022 low-carbon steels

Tables 2.5A and 2.5B. AISI 1025 low-carbon steel

Tables 2.6A and 2.6B. AISI 1030 medium-carbon steel

Tables 2.7A and 2.7B. AISI 1035 medium-carbon steel

Tables 2.8A and 2.8B. AISI 1040 medium-carbon steel

Tables 2.9A and 2.9B. AISI 1045 medium-carbon steel

Tables 2.10A and 2.10B. AISI 1050 medium-carbon steel

Tables 2.11A and 2.11B. AISI 1060 high-carbon steel

Tables 2.12A and 2.12B. AISI 1080 high-carbon steel

Tables 2.13A and 2.13B. AISI 1095 high-carbon steel

Tables 2.14A and 2.14B. AISI 1117 free-machining resulfurized steel

Tables 2.15A and 2.15B. AISI 1118 free-machining resulfurized steel

Tables 2.16A and 2.16B. AISI 1137 free-machining resulfurized steel

Tables 2.17A and 2.17B. AISI 1141 free-machining resulfurized steel

Tables 2.18A and 2.18B. AISI 1144 free-machining resulfurized steel

Tables 2.19A and 2.19B. AISI 1211, 1212, 1213, and 1215 free-machining resulfurized and rephosphorized steels

Tables 2.20A and 2.20B. AISI 1547 and 1548 high-manganese nonresulfurized steels

Tensile strength of AISI 1015 low-carbon steel versus Brinell hardness (3000-kgf applied load)

Table 2.1A: Linear regression formula for calculating tensile strength: ? = 468 x HB + 4120
Brinell hardness HB	Tensile strength, psi	Accuracy in calculating ? %	HB x ? _a	(HB) ²		Parameters of the linear regression line	Correlation coefficient
actual ? _a	calculated by the above formula,

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