Stainless Steel 440A Round Bar & Rods

Stainless Steel 440A Round Bar & Rods

Stainless Steel 440A Round Bar & Rods

SS 440A (UNS S44002) round bars/rods are indeed a stainless steel alloy that contains a high amount of chromium, nickel, and molybdenum, as well as low amounts of aluminum, silicon, nitrogen, and sulfur. Here are some key features and applications of SS 440A round bars/rods:

  1. Different types and forms: SS 440A round bars/rods are available in various types, including hex, hexagonal, square, rectangular, annealed rods and bars, straight square rods and bars, and more. This variety allows for versatility in applications and ease of integration into different projects.

  2. Diverse shapes, sizes, and dimensions: SS 440A round bars/rods come in different shapes, sizes, forms, finishes, thicknesses, dimensions, diameters, and radii. This allows for customization and ensures that the material can meet specific requirements and specifications.

  3. Applications in manufacturing and construction: SS 440A round bars/rods are commonly used in various applications, including manufacturing components and construction projects. The alloy's properties make it suitable for environments where corrosion resistance, durability, and strength are important.

  4. Workability, weldability, and formability: SS 440A exhibits good workability, weldability, and formability, allowing for easy manipulation and fabrication. This makes it convenient to work with during manufacturing processes and construction projects.

  5. Surface dimensions and machinability: SS 440A round bars/rods offer good surface dimensions, ensuring consistency and accuracy in applications. Additionally, the low carbon content in the alloy contributes to its machinability, making it easier to machine and process.

STAINLESS STEEL ROUND BAR EQUIVALENT GRADES

STANDARD UNS WNR.
SS 440A S44002 1.4109

 

CHEMICAL COMPOSITION OF STAINLESS STEEL ROUND BAR

Grade C Mn Si P S Cr Ni
440A 0.6 - 0.75 1.00 max 1.00 max 0.04 max 0.030 max 16.00 - 18.00 -

 

MECHANICAL PROPERTIES OF STAINLESS STEEL ROUND BAR

Tempering Temperature (°C) Tensile Strength (MPa) Yield Strength 0.2% Proof (MPa) Elongation (% in 50mm) Hardness Rockwell (HR C) Impact Charpy V (J)
Annealed* 758 448 14 269HB max -
204 2030 1900 4 59 9
260 1960 1830 4 57 9
316 1860 1740 4 56 9
371 1790 1660 4 56 9
* Annealed properties are typical for Condition A of ASTM A276# Brinell Hardness is ASTM A276 specified maximum for annealed 440A, B and C.

 

SS Round Bar Application Industries Our Stainless Steel SS Round Bar are used in a wide range of applications and various industries. Below are a few of them:

Petrochemical Industry

Oil and Gas Industry

Chemical Industry

Power Plant Industry

Energy Industry

Pharmaceuticals Industry

Pulp & Paper Indusry

Food Processing Industry

Aerospace Industry

Refining Industry

STANDARD UNS WNR.
SS 440A S44002 1.4109

 

Grade C Mn Si P S Cr Ni
440A 0.6 - 0.75 1.00 max 1.00 max 0.04 max 0.030 max 16.00 - 18.00 -

 

Tempering Temperature (°C) Tensile Strength (MPa) Yield Strength 0.2% Proof (MPa) Elongation (% in 50mm) Hardness Rockwell (HR C) Impact Charpy V (J)
Annealed* 758 448 14 269HB max -
204 2030 1900 4 59 9
260 1960 1830 4 57 9
316 1860 1740 4 56 9
371 1790 1660 4 56 9
* Annealed properties are typical for Condition A of ASTM A276# Brinell Hardness is ASTM A276 specified maximum for annealed 440A, B and C.