K M D Steel And Tube is a significant manufacturers, stockists, supplier & exporter for SS 440 A Rounds Bars. The Round Bars consists of features like corrosion resistant, accurate dimensions, rust proof finish, ensures excellent stress distribution and more. These Stainless Steel 440 A Round Bars are manufactured utilizing best nature of materials as a part of going along with method for the finest quality measures. These Round Bars are made of best quality raw material and do match national & international quality standard and this helps us to have high demand in the market from our customers. The SS 440 A Round Bars are made in different size, thickness & dimensions and this is delivered to customers as per their need & requirement. These Round Bars have its application in steam & gas turbine blades, kitchen utensils, bolts, nuts, screws, pump & valve parts and shafts, dental and surgical instruments and more. When it comes to packaging it is done with best care because we know the ups & downs faced while import & export of product hence we make sure that the products are delivered in good conditions without damages
Standard | 440 A /1.4109 |
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Designation | ASTM, ASME, AISI A 276 , SA 276, A 479, SA 479 |
Range | 3 MM TO 350 MM DIA |
Finish | Bright, Polish & Black |
Form | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc. |
Application | Cutlery, Steam and gas turbine blades, Kitchen utensils, Bolts, nuts, screws, Pump and valve parts and shafts, Mine ladder rugs, Dental and surgical instruments, Nozzles, Hardened steel balls and seats for oil well pumps. |
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. |