Atlanta Rod Fastener Identification Chart

Grade Marking Specification Material and Treatment Nominal Size (In.) Mechanical Properties Hardness Rockwell
Proof
Load
Min
(ksi)
Yield
Strength
Min
(ksi)
Tensile
Strength
Min
(ksi)
Elong % Min  RA % Min  Min Max
ATL ROD HEX SAE J429

Grade 1

Low or Medium Carbon Steel 14” – 112 33 36 60 18 35 B70 B100
307A ATLROD A307

Grade A

14” – 4″ 60 18 B69 B100
307B ATLROD A307

Grade B

60 min
100 max
18 B69 B95
307C ATLROD
One End Green
A307

GRADE C

36 58 min
80 max
23
AB36 ATLROD
One End Blue
F1554

GRADE36

36 58 min
80 max
23 40
AB55 ATLROD
One End Yellow
F1554

GRADE 55

14” – 2″ 55 75 min
95 max
21 30
214“- 212 21 22
234” – 3″ 21 20
314” – 4″ 21 18
ATL ROD HEX SAE J429
Grade 2
14” – 34

78” – 112

55

33

57

36

74

60

18

18

35 B80

B70

B100

B100

B8 ATLROD A193/A320
Grade B8
Class 1
AISI SS304 Stainless No Restrictions 30 75 30 50 B96
B8M ATLROD A193/A320
Grade B8M
AISI SS316 Stainless Steel
A325 ATLROD A325

TYPE 1

Medium Carbon Steel, Q & T 12” – 1″

118” – 112

85

74

92

81

120

105

14 35 C24

C19

C35

C31

A325 TYPE 3 ATLROD A325

TYPE 3

Atmospheric Corrosion Resistant Steel,
Q & T
J429 ATL ROD SAE J429
Grade 5
Medium Carbon Steel, Q & T 14” – 1″

118” –   112

85

74

92

81

120

105

14 35 C25

C19

C34

C30

A449 ATLROD A449

TYPE 1

14” – 1″

118” – 112

158” – 3″

85

74

55

92

81

58

120

105

90

14 35 C25

C19

B91

C34

C30

B100

A449 TYPE 3 ATLROD A449

TYPE 3

Weathering Steel, Q & T 14” – 1″

118” – 112

158” – 3″

85

74

55

92

81

58

120

105

90

14 35 C25

C19

B91

C34

C30

B100

B7 ATLROD A193

B7

Medium Carbon Alloy Steel,
Q & T
14” – 212

258” – 4″

418” – 7″

105

95

75

125

115

100

16

16

18

50

50

50

C35

C35

C35

BC ATLROD A354 GRADE BC 14” – 212

258” – 4″

105

95

109

94

125

115

16

16

50

45

C26

C22

C36

C33

AB105 ATLROD

One End Red

F1554

GRADE 105

14” – 3″ 105 125 min
150 max
15 45
L7 ATLROD A320

GRADE L7

AISI 4140, 4142, or 4145 14” – 212 105 125 16 50
L43 ATLROD A320

GRADE L43

AISI 4340 14” – 4″ 105 125 16 50
A490 ATLROD A490

TYPE 1

Medium Carbon Alloy Steel,
Q & T
12” – 112 120 130 150 min
173 max
14 40 C33 C38
A490 TYPE 3 ATLROD A490

TYPE 3

Atmospheric Corrosion Resistant Steel,
Q & T
SAE J429 GRADE 8 ATLROD SAE J429
Grade 8
Medium Carbon Alloy Steel,
Q & T
14” – 112 120 130 150 12 35 C33 C39
A354 BD ATLROD A354

GRADE BD

14” – 212

258” – 4″

120

105

130

115

150

140

14 40 C33

C31

C39

C39