Stainless Steel 431 Round Bar & Rods

Stainless Steel 431 Round Bar & Rods

Stainless Steel 431 Round Bar & Rods

Stainless steel 431(UNS S43100) is indeed a high carbon steel alloy with a minimum chromium content. Here are some key features and characteristics of stainless steel 431:

  1. Heat treatable: Stainless steel 431 can be hardened through heat treatment processes such as quenching and tempering. This allows for the adjustment of the material's hardness and strength to meet specific requirements.

  2. Good ductility: Despite being a high carbon steel alloy, stainless steel 431 retains good ductility. This means it can be formed and shaped without fracturing or losing its structural integrity.

  3. Resistance to metal polishing: Stainless steel 431 exhibits good resistance to metal polishing. When polished, the surface of the alloy can achieve a smooth and lustrous appearance.

  4. Additional alloying elements: Stainless steel 431 contains additional alloying elements such as molybdenum, sulfur, and vanadium. These elements can enhance certain properties of the steel, such as corrosion resistance and strength.

  5. Material strength: While stainless steel 431 offers high strength, it is important to note that it can be affected by the loss of material strength under certain conditions. Factors such as exposure to high temperatures, prolonged use at elevated temperatures, or corrosive environments can potentially impact the strength of the material.

STAINLESS STEEL ROUND BAR EQUIVALENT GRADES

STANDARD UNS WNR. JIS
SS 431 S43100 1.4057 SUS 431

 

CHEMICAL COMPOSITION OF STAINLESS STEEL ROUND BAR

Grade C Mn Si P S Cr Ni
431 0.20 max 1.00 max 1.00 max 0.040 max 0.030 max 15.00 - 17.00 1.25 - 2.50

 

MECHANICAL PROPERTIES OF STAINLESS STEEL ROUND BAR

Tempering Temperature (°C) Tensile Strength (MPa) Yield Strength 0.2% Proof (MPa) Elongation (% in 50mm) Hardness Brinell (HB) Impact Charpy V (J)
Annealed * 862 655 20 285 max -
204 1345 1055 20 388 50
316 1295 1035 19 375 53
427 1350 1080 19 388 #
538 1140 965 19 321 #
593 1015 770 20 293 64
650 960 695 20 277 84

 

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. JIS
SS 431 S43100 1.4057 SUS 431

 

Grade C Mn Si P S Cr Ni
431 0.20 max 1.00 max 1.00 max 0.040 max 0.030 max 15.00 - 17.00 1.25 - 2.50

 

Tempering Temperature (°C) Tensile Strength (MPa) Yield Strength 0.2% Proof (MPa) Elongation (% in 50mm) Hardness Brinell (HB) Impact Charpy V (J)
Annealed * 862 655 20 285 max -
204 1345 1055 20 388 50
316 1295 1035 19 375 53
427 1350 1080 19 388 #
538 1140 965 19 321 #
593 1015 770 20 293 64
650 960 695 20 277 84