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Specified Strengths (MPa) of the ProductFootnote (1) Footnote (2) Footnote (3)

Grade

Bending Strength, fbFootnote (4)

Tensile Strength Parallel to Grain, ftFootnote (5)

Compressive Strength Parallel to Grain, fc

Compressive Strength Perpendicular to Grain, fcp

Horizontal Shear Strength, fv

Modulus of Elasticity (MOE)

Beam

Plank

Beam

Plank

Beam

Plank

Beam

Plank

2250Fb-1.5E

28.67

28.03

13.85

25.86

9.41

5.65

3.65

1.92

10 340

  9 650

3100Fb-2.0E

39.50

37.76

21.55

35.21

9.41

6.90

3.72

1.92

13 790

13 790

3100Fb-2.2E

39.50

37.76

21.55

35.21

9.41

6.90

3.72

1.92

15 170

15 170

Equivalent Specific Gravity for Fastener Design of the ProductFootnote (1) Footnote (2)

Grade

Equivalent Specific Gravity

Nails

Bolts

Withdrawal Load

Lateral Load

Lateral Load

Installed in Edge

Installed in Face

Installed in Edge

Installed in Face

Installed in Face

Parallel to Grain

Perpendicular to Grain

All

0.49

0.50

0.50

0.50

0.50

0.50

Nail Spacing for Fastener Design of the ProductFootnote (1)
Thickness (t), mm

Orientation

FastenerFootnote (2) Footnote (3)

Minimum End Distance, mm

Minimum Nail Spacing, mm

Single Row

Multiple RowsFootnote (4) Footnote (5)

32 ≤ t < 38

EdgeFootnote (6)

64 mm and smaller

64

102

76 mm and 83 mm

64

102

89 mm

89

127

32 ≤ t < 38

FaceFootnote (7)

64 mm and smaller

38

76

76

76 mm and 83 mm

38

76

76

89 mm

38

127

127

t ≥ 38

EdgeFootnote (6)

64 mm and smaller

64

76

102

76 mm and 83 mm

89Footnote (8)

102

127

89 mm

89

127

152Footnote (9)

t ≥ 38

FaceFootnote (7)

64 mm and smaller

38

76

76

76 mm and 83 mm

38

76

76

89 mm

38

127

127