As an acclaimed undertaking of the business, Champak Steel and Engg. Co. is included in offering a limitless exhibit of Stainless Steel 440A, 440B, 440C, 446 Round Bars as a maker, exporter, stockiest and supplier to our local and worldwide customers. We manufacture these Stainless Steel 440A, 440B, 440C, 446 Bars utilizing best nature of materials as a part of going along by method for the finest quality measures.
Alloy 420 is a hardenable, martensitic stainless steel that is a change of Alloy 410. Like 410, it contains at least 12% chromium, sufficiently adequate to give consumption safe properties. Alloy 420 has higher carbon content than Alloy 410 which is intended to upgrade quality and hardness attributes. Martensitic stainless steels are intended for high hardness and now and again different properties are to some degree traded off. Corrosion resistance is lower than the regular austenitic evaluations and their valuable working reach is constrained by their loss of flexibility at below zero temperatures and loss of quality by over-treating at hoisted temperatures.
Grade 440C Stainless Steel is a high carbon martensitic stainless steel. It has high quality, moderate erosion resistance, and great hardness and wear resistance. Grade 440C is fit for accomplishing, after warmth treatment, the most astounding quality, hardness and wear resistance of all the stainless compounds. Its high carbon substance is in charge of these qualities, which make 440C especially suited to such applications as metal rollers and valve parts. Grade 440A and 440B Stainless Steels, on the other hand, have similar properties - except for a slightly lower percentage of carbon in grade 440A.
These SS 446 Bars are general capacity review that is much of the time supplied in the toughened yet at the same time machineable structure for capacities where lifted quality and limited warmth and erosion resistance are being required. Moderately alluded as WNR 1.4762, our 446 Stainless Steel Rods are being utilized for different applications, for example, in Cutlery, Steam and gas turbine sharp edges, Kitchen utensils, Bolts, nuts, screws, etc.
Standards | 440 A /1.4109 440 B / 1.4112 440 C /1.4125 |
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Designation | ASTM, ASME, AISI A 276 , SA 276, A 479, SA 479, ASTM, ASME A276/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. |
Stainless Steel : Grade: 304, 304L, 304H, 309, 309S, 316, 316L, 316H, 310, 310S, 317, 317L, 321, 347, 904L |
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 | - |
440B | 0.6 - 0.75 | 1.00 max | 1.00 max | 0.04 max | 0.030 max | 16.00 - 18.00 | - |
440C | 0.95 - 1.20 | 1.00 max | 1.00 max | 0.040 max | 0.030 max | 16.00 - 18.00 | - |
C | Mn | Si | P | S | Cr | N | Ni | Fe |
---|---|---|---|---|---|---|---|---|
0.2 max | 1.5 max | 0.75 max | 0.040 max | 0.03 max | 23 – 30 | 0.10 – 0.25 | 0.50 max | Balance |
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. |
Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
---|---|---|
Psi – 75,000 , MPa – 485 | Psi – 40,000 , MPa – 275 | 20 % |
Monel : Grade: Monel 400, Monel K500, Monel R-405 Nickel : Grade: Nickel 200, Nickel 201 Inconel : Grade: Inconel 600, Inconel 601, Inconel 625, Inconel 718 Incoloy : Grade: Incoloy 800, Incoloy 800H, INCOLOY 800HT Hastalloy : Grade: Hastalloy B2, Hastalloy B3, Hastalloy C22, Hastalloy C276, Hastalloy X Titanium : Grade: Gr1, Gr2, Gr3, Gr5, Gr7, Gr11 Carbon Steel : Grade: WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70 Duplex Steel: Grade: UNS F44, F45, F51, F53, F55, F60, F61 Alloy Steel: Grade : WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91 |
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