CRSI-ManualStandardPractice

ASTM STANDARD INCH-POUND REINFORCING BARS NOMINAL DIMENSIONS BAR SIZE DESIGNATION

I

I

#3 #4 #5 #6 #7 #8 #9 #10 #11 #14 #18

AREA (in.2)

0.11 0.20 0.31 0.44 0.60 0.79 1.00 1.27 1.56 2.25 4.00

WEIGHT (I bItt)

DIAMETER (in.)

0.376 0.668 1.043 1.502 2.044 2.670 3.400 4.303 5.313 7. '6 5 13.60

I

0.375 0.500 0.625 0.750 0.875 1.000 1.128 1.270 1.410 1.693 2.257

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The current A615 specification covers bar sizes #14 and #18 in Grade 60 , and bar sizes #11, #14 and #18 in Grade 75. The current A706 specification also covers bar sizes #14 and #18. Bar sizes #9 through #18 are not included in the A996 specification.

CHAPTER 1

MATERIAL SPECIFICATION S FOR REI NFORC ING BARS

MainRibS ~

Main Ribs

Letter or Symbol for Producing Mill

Letter or Symbol

for Producing Mill

Bar Size #11

Bar Size #36

Type Steel*

Type Steel*

S for Billet-Steel (A615)

S for Billet-Steel (A615M)

.I. for Rail-Steel (A996)

.I. for Rail-Steel (A996M)

R for Rail-Steel

(A996)

R for Rail-Steel (A996M)

sA. for Axle-Steel (A996)

sA. for Axle-Steel (A996M)

W for Low-Alloy Steet (A706)

W for Low-Alloy Steel (A706M)

Grade Mark

Grade Mark

Grade Line (One line only)

Grade Line (On e line only)

'Bars marked with an S and W meet both A615 and A706

GRADE 60

~ MainRibS

'Bars marked with an S and W meet both A615 and A706

GRADE 420

~ MainRibS



Bar Size #14

Bar Size #43

Type Steel

Type Steel

S for Billet-Steel (A615)

Grade Mark

S for Billet-Steel (A615M)

Grade Mark

Grade Line (Two lines only)

Grade Lin e (Two lines only)

GRADE 75

GRADE 520

~ Ma in Rib

~ Main Rib


Letter or Symbol

for Producing Mill

Bar Size #6

Bar Size #19

Type Steel

Type Steel

S for Billet-Steel (A6 15)

S for Billet-Steel (A615 M)

.I. for Rail-Steel (A996)

.I. for Rail-Steel (A996M)

" for Rail-S teel (A996)

" for Rail-Steel (A996M)

A for Axle-Steel (A996)

A for Axle-Steel (A996M)

GRADES 40 A ND 50

GRADES 300 AND 350

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