AS 2129 Table E 316L Threaded Bossed Flange FF 1-1/4″

Chemical Composition and Mechanical Property For 316L

Steel Grade

Chemical Composition

Mechanical Performance

C(Max)

Si(Max)

Mn(Max)

P(Max)

S(Max)

Ni

Cr

Mo

N

Tensile Strength
(Min）

Yield Strength
(Min)

Mpa

Mpa

316L

0.03

0.75

2.00

0.045

0.03

10.0–14.0

16.0–18.0

2.00–3.00

0.1

485

170

TABLE E

LENGTH THROUGH HUB

DRILLING DATA

TABLE E

NOMINAL
PIPE SIZE

FLANGE 
OUTSIDE
 DIAMETER

THICKNESS
OF
FLANGE 
(Refer Note.1)

BOSSED 
SOW

WELD
 NECK

PITCH
 CIRCLE
DIAMETER

BOLT
 HOLE
DIAMETER

NUMBER
 OF
 BOLT 
HOLES

NOMINAL
 PIPE SIZE

MM

INCH

OD

T

L

L1

PCD

H

﹟

MM

INCH

15

1/2

95

6

16

28

67

14

4

15

1/2

20

3/4

100

6

17

28

73

14

4

20

3/4

25

1

115

7

18

29

83

14

4

25

1

32

1 1/4

120

8

19

33

87

14

4

32

1 1/4

40

1 1/2

135

9

22

38

98

14

4

40

1 1/2

50

2

150

10

23

39

114

18

4

50

2

65

2 1/2

165

10

26

42

127

18

4

65

2 1/2

80

3

185

11

27

46

146

18

4

80

3

90

3 1/2

205

12

29

47

165

18

8

90

3 1/2

100

4

215

13

32

54

178

18

8

100

4

NOTES:

(3) Flanges are generally supplied flat faced.