Marine Machining & Manufacturing

Tensile Strength
Psi

0.2 % Yiield
Tension psi

Strenth Torsion
psi

Elongation
in 2 in . %
Reduction
of Area %

AQUAMET 17

Up to 8 "

135,000

105,000

70,000

16

50

8" to 12 "

135,000

105,000

70,000

12

35

AQUAMET 18

Up to 1¾"

120,000

90,000

60,000

20

50

Over 1¾" to 2½"

110,000

70,000

47,000

35

55

Over 2½" to 5"

105,000

65,000

43,000

40

55

Over 5" to 8"

100,000

60,000

40,000

40

55

Over 8" to 12"

90,000

50,000

33,000

35

45

AQUAMET 19

Up to 1½"

130,000

105,000

70,000

20

55

Over 1½"
to 2"

115,000

85,000

57,000

25

55

55Over 2" to 2½"

105,000

60,000

40,000

30

55

Over 2½"
to 3"

100,000

55,000

36,000

35

55

Over 3" to 12"

95,000

50,000

33,000

35

55

AQUAMET 22

¾" to 1¼ "

145,000

130,000

86,600

18

45

Over 1¼" to 2"

135,000

105,000

70,000

20

50

Over 2"
to 2½ "

120,000

95,000

63,000

20

50

Over 2½" to 3"

115,000

75,000

50,000

25

50

Over 3" to 12"

100,000

55,000

36,600

30

50

AQUAMET 22 H.S.

2½ " to 6"

130,000

105,000

70,000

15

45

Minimum values. Actual test results may be higher.

COMPOSITION	AQUAMET 17	AQUAMET 18	AQUAMET 19	AQUAMET 22
Carbon	0.07 max	0.15 max	0.80 max	0.06 max
Manganese	1.00 max	11.00 - 14.00	2.00 max	4.00 - 6.00
Silicon	1.00 max	1.00 max	1.00 max	1.00 max
Chromium	14.50 - 16.50	16.50 - 19.00	18.00 - 20.00	20.50 - 23.50
Nickel	3.00 - 5.00	0.50 - 2.50	8.00 - 10.50	11.50 - 13.50
Phosphorus	0.04 max	0.06 max	0.04 max	0.04 max
Sulfur	0.03 max	0.03 max	0.03 max	0.03 max
Copper	3.00 - 5.00
Columbium + Tantalum	0.15 - 0.45			0.10 - 0.30
Nitrogen		0.20 - 0.45	0.20 - 0.30	0.20 - 0.40
Molybdenum				1.50 - 3.00
Vanadium				0.10 - 0.30
Iron	Balance	Balance	Balance	Balance

Grade Comparison

Mechanical Properties

Marine Machining & Manufacturing
Marine Alloys

33475 Giftos Drive
Clinton Township, MI 48035

(586) 791-8800
FAX: (586) 791-8803
marinemachining@sbcglobal.net

	Tensile Strength Psi	0.2 % Yiield Tension psi	Strenth Torsion psi	Elongation in 2 in . %	Reduction of Area %
AQUAMET 17
Up to 8 "	135,000	105,000	70,000	16	50
8" to 12 "	135,000	105,000	70,000	12	35
AQUAMET 18
Up to 1¾"	120,000	90,000	60,000	20	50
Over 1¾" to 2½"	110,000	70,000	47,000	35	55
Over 2½" to 5"	105,000	65,000	43,000	40	55
Over 5" to 8"	100,000	60,000	40,000	40	55
Over 8" to 12"	90,000	50,000	33,000	35	45
AQUAMET 19
Up to 1½"	130,000	105,000	70,000	20	55
Over 1½" to 2"	115,000	85,000	57,000	25	55
55Over 2" to 2½"	105,000	60,000	40,000	30	55
Over 2½" to 3"	100,000	55,000	36,000	35	55
Over 3" to 12"	95,000	50,000	33,000	35	55
AQUAMET 22
¾" to 1¼ "	145,000	130,000	86,600	18	45
Over 1¼" to 2"	135,000	105,000	70,000	20	50
Over 2" to 2½ "	120,000	95,000	63,000	20	50
Over 2½" to 3"	115,000	75,000	50,000	25	50
Over 3" to 12"	100,000	55,000	36,600	30	50
AQUAMET 22 H.S.
2½ " to 6"	130,000	105,000	70,000	15	45