17-4 Stainless Steel

17-4 Stainless Steel is martensitic precipitation-hardening steel that provides an outstanding combination of high strength, good corrosion resistance and good mechanical properties at temperatures up to 600 °F.

17-4 stainless steel

17-4 Stainless Steel

17-4 stainless steel, is a common and exceptionally durable type of steel used in a diverse variety of industries and applications.

17-4 stainless steel, is a common and exceptionally durable type of steel used in a diverse variety of industries and applications.

The 17-4 alloy gets its moniker from its composition of 17% Chromium and 4% Nickel, with a touch of 3% Copper.

Its unique blend of metals gives 17-4 the ability to offer a perfect balance of strength, hardness, and moderate corrosion resistance, making it a top choice for various applications.

From architectural paneling and molding to kitchen and food industry equipment, 17-4 finds widespread use in a number of industries, including the pulp and paper sector, and even as a material for nuclear waste casks.

This versatile alloy can be molded and shaped to fit a wide range of needs, making it a popular choice for engineers and designers alike.

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We’ll help you find the best solution for your specific requirements, ensuring that you get the highest quality product at the best possible price.

17-4 Stainless Steel Properties and Specifications

17-4 Stainless steel is a Chromium-nickel grade of Stainless Steel. It is hardened by a single low-temperature precipitation-hardening treatment which provides the stainless steel with excellent mechanical properties at a high strength level. It should not be used in the solution treated condition.

17-4 stainless steel is available in:

  • Bar
  • Wire

Type 17-4 is covered by the following specifications:

  • AMS 5643
  • ASTM A 564 Type 630
  • 17-4 stainless steel has a machinability rating of 48% in the annealed condition (Condition A), with surface cutting speed of 80 feet per minute.
  • In the overaged condition (H 1150-M), the machinability rating is 76% with surface cutting speed of 125 feet per minute.
  • Forge the stainless steel between 2050 and 2150° F.
  • Do not forge below 1850° F.
  • Forgings are air-cooled to 90° F or lower.
  • Large or intricate forgings should be equalized at some temperature between 1900° F and the forging temperature before air-cooling.

What is 17-4 Stainless Steel?

17-4 steel is a popular choice among engineers and designers for its unique composition of 17% Chromium, 4% Nickel, and 3% Copper. This combination gives it incredible strength, hardness, and moderate resistance to corrosion.

This superalloy is used in a variety of industries, including aerospace and defense, as well as in the manufacture of kitchen equipment and food industry machinery. It’s even used in the production of architectural paneling and as a material for nuclear waste casks.

17-4 stainless steel is useful because it can be molded into any form, making it a go-to choice for those looking for durable and high-performing steel. And with its unbeatable combination of properties, you can’t go wrong with 17-4. Whether it’s for a big project or a small one, this alloy is sure to impress.

History of 17-4 Stainless Steel

17-4 stainless steel was developed with the intention of creating steel that was highly durable and resistant to corrosion. It has established itself as a superb option throughout time for a variety of industries, including aerospace, defense, food processing, architecture, and even the nuclear waste industry.

One of the best qualities of 17-4 steel is its adaptability. It can be molded into many different shapes, making it appropriate for a variety of purposes. It makes sense why it remains a top option for engineers and designers today.

17-4 stainless steel has a long history of being a dependable and effective alloy. It is a highly sought-after material for various industries due to its mix of toughness, hardness, and corrosion resistance. Regardless of the size of your project, this alloy will undoubtedly accomplish the job well.

Applications for 17-4 Steel

Today, 17-4 steel continues to be a go-to choice for many engineers and designers due to its impressive combination of properties and versatility.

Whether you’re working on a big project or a small one, this alloy is sure to get the job done right. So, if you’re looking for durable and high-performing steel, 17-4 might just be the perfect choice for you.

Defense and Aerospace

Because of its high strength, hardness, and corrosion resistance, 17-4 steel is frequently utilised in the defence and aerospace sectors of the economy. When making aircraft and military equipment that must survive extreme conditions.

Food processing

Due to its high strength and resistance to corrosion, 17-4 steel is utilised extensively in the food processing sector. It is frequently used to create equipment for processing food, like slicers and grinders, which must be strong and long-lasting.

Architectural industries

17-4 steel is a highly sought-after material due to its strength and resistance to corrosion. Architects and designers turn to this alloy for creating architectural paneling and moldings that provide a solid and durable finish for buildings.

Paper and Pulp

Top choice for making heavy-duty equipment due to its great corrosion resistance and superior strength , such paper making and also ideal for themanufacture of high-volume printing presses.

Nuclear waste casks

17-4 steel is used for the manufacturing of nuclear waste casks due to its high strength and good resistance to corrosion. This makes it a reliable choice for storing nuclear waste safely and securely.

Kitchen equipment

17-4 steel is used in the manufacture of kitchen equipment because of its durability and resistance to corrosion. It is frequently used in the manufacture of high-quality kitchen equipment, cookware, and cutlery.

17-4 Stainless Steel Composition & Properties

Properties

Type 17-4%

Carbon

.07 max

Manganese

1.00 max

Phosphorus

.04 max

Sulfur

.03 max

Silicon

1.00 max

Chromium

15.50 – 17.50

Nickel

3.0 – 5.0

Copper

3.0 – 5.0

Columbium Plus Tantalulm

.15 – .45

Mechanical Properties

Properties

Annealed

H900

H1150

Tensile Strength, psi

150,000

200,000

154,000

Yield Strength, psi

110,000

185,000

125,000

Elongation in 2?

10%

14%

19%

Reduction of area

40%

50%

60%

Rockwell C Hardness

34

44

33