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  • AN ISO 9001-2008 | 14001-2004 | OHSAS 18001-2007 | PED CERTIFIED 97/23/EC
Ratnam Steel

Stainless Steel 431 Round Bars

ASME SA 276/479 Stainless Steel UNS UNS S34700/09 Bars & Rods
As a leading manufacturer, exporter & supplier, RATNAM STEEL LIMITED is included in offering a limitless exhibit of Stainless Steel 431 Round Bars as a maker, exporter, stockiest and supplier to our local and worldwide customers. We manufacture these Stainless Steel 431 Bars utilizing best nature of materials as a part of going along by method for the finest quality measures.

Grade 431 is a ferritic, straight chromium, non-hardenable evaluation, joining great erosion resistance and formability attributes with helpful mechanical properties. Its capacity to oppose nitric corrosive assault allows its utilization in particular substance applications yet car trim and machine segments speaks to its biggest fields of use.

Our benefactors can benefit these Stainless Steel 431 Rods from us at the most insignificant expenses. As for national and worldwide nature of raw materials, we additionally offer these Stainless Steel Round Bars in altered sizes and thicknesses according to particular requests by our regarded customers at business sector driving costs.

Specification

Standard 410 / 1.4006
420 / 1.4021
430 /1.4016
431 / 1.4057
440 A /1.4109
440 B / 1.4112
440 C /1.4125
446 / 1.4762
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.

Chemical Composition

Grade C Mn Si P S Cr Ni
410 0.15 max 1.00 max 1.00 max 0.04 max 0.03 max min: 11.5
max: 13.5
0.50 max
420 0.15
max
1.00
max
1.00
max
0.04
max
0.03
max
min: 12.0
max: 14.0
-
430 0.12 max 1.00 max 1.00 max 0.040 max 0.030 max 16.0 - 18.0 0.75 max
431

0.20 max 1.00 max 1.00 max 0.040 max 0.030 max 15.00 - 17.00 1.25 - 2.50
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 -

Mechanical Properties of SS 431

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

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