Inch

Metric

1"

1 1/4"

1 1/2"

1 3/4"

2"

2 1/4"

2 19/64"

2 1/2"

3"

4"

1/2 ft.

8"

10"

1 ft.

2 ft.

3 ft.

4 ft.

6 ft.

20 ft.

32 ft.

52 ft.

83 ft.

130 ft.

210 ft.

335 ft.

535 ft.

850 ft.

300 mm

1,000 mm

2,000 mm

1"

1 1/8"

1 1/4"

1 3/8"

1 1/2"

1 5/8"

1 3/4"

2"

2 1/4"

2 1/2"

3"

3 1/2"

4 mm

5 mm

6 mm

7 mm

8 mm

10 mm

12 mm

14 mm

17 mm

19 mm

22 mm

24 mm

25 mm

28 mm

38 mm

1"

1 1/8"

1 1/4"

1 3/8"

1 1/2"

1 5/8"

1 3/4"

1 7/8"

2"

2 1/4"

2 1/2"

2 mm

3 mm

4 mm

5 mm

6 mm

7 mm

8 mm

9 mm

10 mm

1/4 Hard

1/2 Hard

3/4 Hard

Full Hard

Not Rated

Standard

Tight

Soft

Medium

Not Rated

ASTM Standard

DIN 976

EN 12164

Brinell 70

Brinell 141

Rockwell B25

Rockwell B40

Rockwell B55

Rockwell B55 to Rockwell B80

Rockwell B60

Rockwell B75

Rockwell B77

Not Rated

H01

H02

H03

H58

H80

M30

Not Rated

Material Certificate with Traceable Lot Number

Exempt

Less than 10,000 psi

10,000 psi to 19,999 psi

20,000 psi to 99,999 psi

Not Rated

Compliant

Not Compliant

EAR99

0.014"

0.032"

0.049"

0.065"

0.45 mm

Mirror Like

Plain

Compliant

Compliant with Exemptions

Not Compliant

1,610° F

1,630° F

1,660° F

1,680° F

0.304 lb/in³

0.305 lb/in³

0.306 lb/in³

0.307 lb/in³

0.308 lb/in³

67 BTU/(hr⋅ft⋅°F) @ 68° F

70 BTU/(hr⋅ft⋅°F) @ 68° F

71 BTU/(hr⋅ft⋅°F) @ 68° F