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AQUAMET 22

Marine Machining & Manufacturing
 
33475 Giftos Drive
Clinton Township, MI 48035
 
Phone: 586-791-8800
Fax: 586-791-8803
E-mail Us

www.marinemachining.com
www.marinecoupling.com

Contact Information

AQUAMET 22 is a high-alloy austenitic stainless steel that provides superior corrosion resistance along with excellent toughness and high strength. It has higher strength than AQUAMET 17 in diameters of ¾" through 1¼", and equivalent strength in diameters up to 2". Due to its high alloy content, AQUAMET 22 resists pitting and crevice corrosion and is ideal for pleasure boats which are operated infrequently, spending much of their time tied up at docks. (AQUAMET 22 H.S., a higher strength version, is available in 2½"  to 6" diameters.)

Mechanical Properties

 AQUAMET 22

 Tensile Strength Psi

0.2% Yield Tension psi 

Strength Torsion psi 

Elongation
in 2 in .% 

Reduction of Area % 

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 4-3/4"

130,000

 105,000

 70,000

 15

 45

 5" to 6" 125.000 90,000 60'000 15  45

Minimum values. Actual test results may be higher.

Chemical Properties

 COMPOSITION

 19

 Carbon

 0.06 max

 Manganese

 4.00 - 6.00

 Silicon

 1.00 max

 Chromium

 20.50 - 23.50

 Nickel

 11.50 - 13.50

 Phosphorus

 0.04 max

 Sulfur

 0.03 max

Columbium + Tantalum

 0.10 - 0.30

Nitrogen

 0.20 - 0.40

 Molybdenum

 1.50 - 3.00

 Vanadium

 0.10 - 0.30

 Iron

Balance


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