Pump Shafting & Boat Shafting

National Specialty Alloys, Inc. pump and boat shafting inventory includes 20 to 24 foot lengths in the austenitic and martensitic grades 316, 410, 416 , XM-19, 17-4 PH, Nickel Alloy 500, Alloy 20, and high temperature alloys. At National Specialty Alloys, Inc., custom shafting is also available Request a quote online today »

National Specialty Alloys Carries Pump Shafting & Boat Shafting

Grades Available:

Austenitic Stainless Steel Pump and Boat Shafting

Austenitic stainless steels are most commonly used. In fact, austenitic stainless steel is approximately 70 percent of overall stainless steel production. Austenitic stainless steel pump and boat shafting is not magnetic; due to its high nickel and chromium composition, it is extremely resistant to corrosion.

In addition, austenitic stainless steel pump and boat shafting provides excellent mechanical properties. Heat treatment cannot be used to harden austenitic stainless steel pump and boat shafting, although it can be hardened considerably by cold working.

Grades Available:

• 316
• XM-19
• 17-4PH

Primary Elements: 18 percent chromium and 8 percent nickel

Martensitic Stainless Steel Pump and Boat Shafting

Martensitic stainless steels were designed as a type of stainless steel alloy that could be hardened by heat treatment and would be corrosion resistant - although not as corrosion resistant as austenitic or ferritic stainless steels. Martensitic stainless steel pump and boat shafting is highly machinable and is known for being wear resistant.

Grades Available:

• 410
• 416

Primary Elements: between 11.5 to 18 percent chromium, no nickel, and substantial amounts of carbon, some martensitic stainless steel pump and boat shafting includes other alloying elements in small amounts.

Stainless Steel Alloy 20 Pump and Boat Shafting

Alloy 20 stainless steel pump and boat shafting exhibits exceptional corrosion resistance and outstanding mechanical properties. It is also corrosion resistant to hot sulfuric acids when compared to austenitic stainless steels such as 316 or 317.

Nickel Alloy K-500 Pump and Boat Shafting

Alloy K-500 is a nickel-copper alloy that combines the excellent corrosion resistance of Alloy 400 with the added advantages of greater strength and hardness. An additional characteristic of Alloy K-500 stainless steel pump and boat shafting includes outstanding corrosion resistance in a wide range of chemical and marine surroundings, from salts and alkalis, non-oxidizing acids to pure water. Alloy K-500 stainless steel pump and boat shafting is also non-magnetic and spark resistant.

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