Southern Pine, No. 2 - Design Values

Southern Pine, No. 2 is a dimensional lumber grade with reference design values to NDS 2018 Supplement Table 4B. Its reference bending value Fb is 1,500 psi, compression parallel Fc is 1,650 psi, and modulus of elasticity E is 1,600,000 psi (NDS). Values are shown before adjustment factors; apply the relevant NDS C-factors or EC5 k_mod and γ_M for your load case.

Fb (bending): 1,500 psi
Fc (compression): 1,650 psi
E (modulus): 1.6M psi

Reference design values (NDS 2018)

Fb	Bending	1,500 psi
Ft	Tension parallel	825 psi
Fv	Shear parallel	175 psi
Fc⊥	Compression perpendicular	565 psi
Fc	Compression parallel	1,650 psi
E	Modulus of elasticity	1,600,000 psi
Emin	Modulus for stability	580,000 psi
G	Specific gravity	0.55

Common supplied sizes

Nominal	Actual (in)	Metric (mm)
2x4	1.5 x 3.5	38 x 89
2x6	1.5 x 5.5	38 x 140
2x8	1.5 x 7.25	38 x 184
2x10	1.5 x 9.25	38 x 235
2x12	1.5 x 11.25	38 x 286

Southern Pine Table 4B values are size-specific; values shown are the 2x4 basis.

Source: NDS 2018 Supplement Table 4B. Reference values are shown before adjustment factors (NDS C-factors / EC5 k_mod, γ_M) - apply these per your load case in design.

Other Dimensional Lumber grades

Douglas Fir-Larch, Select Structural Douglas Fir-Larch, No. 1 Douglas Fir-Larch, No. 2 Douglas Fir-Larch, No. 3 Hem-Fir, Select Structural Hem-Fir, No. 1 Hem-Fir, No. 2 Spruce-Pine-Fir, Select Structural Spruce-Pine-Fir, No. 1/No. 2 Spruce-Pine-Fir, No. 3

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