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Stainless Steel 440A/440B/440C/446 Round Bar

What is Stainless Steel 440A/440B/440C/446 Round Bar

Grade 440A is a high carbon version designed as stainless with some excellent properties such as good durability, and high corrosion resistance over various atmospheres. However, maximum corrosion resistance can only be obtained via stress relieving or hardening the material grade. SS 440A is magnetic in nature under annealed as well as hardened conditions.

SS 440B Round Bars are martensitic steel, which also have higher carbon proportion to bear little similar properties of the SS 440A. SS 440B has limited resistance from corrosive environments and enough strength to survive against moderate temperature ranges. SS 440b bars is a chromium based crystalline nature steel bars that even enhance its further resistance as well.

DIN 1.4762 Round Rod, Stainless Steel 440C Forged Bar, Stainless Steel UNS S44600 Hex Bar, SS 440C Square Bar, Stainless Steel 440A Rectangular Bar, ASTM A276 Stainless Steel 440B Rods Exporter, ASTM A276 Stainless Steel 440B Hex Bar Supplier, SS 440A Square Bar, SS ASTM A276 440A Flat Bar, 446 Stainless Steel Polished Round Bar Stockists, SS 440C Round Bar Manufacturer in India.

SS 440C is also similar to the first 2, that means it also has higher resistance from corrosion and relatively excellent strength because of the higher carbon proportion into the material. Apart from corrosion, SS 440C also has good wear resistance and excellent properties only after the heat treatment. SS 440 round bars can survive from a high temperature environment and hence are used in several applications and multiple industries such as paper and pulp industries, power plant industries, chemical processing, petrochemical industries, food processing, and so on. SS 440C can also resist chlorine and oxidizing media under room temperature or abnormal temperatures. However, the utilization of SS 440 round bars takes place across sea and marine industries because these bars cannot survive crevice and pitting corrosions.

Specification:- Stainless Steel 440A/440B/440C/446 Round Bar

SpecificationA276 / A479, SA276 / A479
Dimension StandardEN, DIN, JIS, ASTM, BS, ASME, AISI
Range3.17 MM TO 350 MM DIA
SizeRound Bar Size: 3mm~ 800mm
Square Bar Size: 4mm* 4mm ~100mm* 100mm
Flat Bar Size: 2mm ~ 100mm
Hex Bar Size: 2mm ~ 100mm
Thickness50 mm to 6000 mm Long
Length1 To 6 Meters, Custom Cut Length
FinishBlack, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish

Equivalent Grade:- Stainless Steel 440A/440B/440C/446 Round Bar

STANDARDWERKSTOFF NR.UNS
440A1.4109S44002
440B1.4112S44003
440C1.4125S44004
SS 4461.4762S44600

Chemical Composition:- Stainless Steel 440A/440B/440C/446 Round Bar

GradeCMnSiPSCrNi
440A0.6 – 0.751.00 max1.00 max0.04 max0.030 max16.00 – 18.00–
440B0.6 – 0.751.00 max1.00 max0.04 max0.030 max16.00 – 18.00–
440C0.95 – 1.201.00 max1.00 max0.040 max0.030 max16.00 – 18.00–
SS 4460.2 max1.5 max0.75 max0.040 max0.030 max23.0-30.00.50

Mechanical Properties:- Stainless Steel 440A/440B/440C/446 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*75844814269HB max-
204203019004599
260196018304579
316186017404569
371179016604569
* Annealed properties are typical for Condition A of ASTM A276# Brinell Hardness is ASTM A276 specified maximum for annealed 440C, B and C.
Tensile StrengthYield Strength (0.2%Offset)Elongation
Psi – 75,000 , MPa – 485Psi – 40,000 , MPa – 27520 %

Dimensions:- Stainless Steel 440A/440B/440C/446 Round Bar

Diameter or Width (mm)Weight per meterSectional AreaPerimeter
Square (kg)Round (kg)Square (cm²)Round (cm²)Square (cm)Round (cm)
5.00.200.150.250.202.01.57
5.50.240.190.300.242.21.78
6.00.280.220.360.282.41.88
7.00.380.300.490.382.82.20
8.00.500.390.640.503.22.51
9.00.640.500.810.643.62.83
100.730.631.000.794.03.14
110.950.751.210.954.43.46
121.130.891.441.134.83.77
141.541.211.961.545.64.40
162.011.582.562.016.45.03
182.542.003.242.547.25.65
203.142.474.003.148.06.28
223.802.984.843.808.86.91
254.913.856.254.9110.07.85
286.154.837.846.1611.28.80
328.046.3110.248.0412.810.05
3610.177.9912.9610.1814.411.31
4012.569.8616.0012.5716.012.57
4515.9012.4920.2515.9018.014.14
5019.6215.4125.0019.6420.015.71
5624.6219.3431.3624.6322.417.59
6331.1624.4736.6931.1725.219.79
7139.5731.0850.4139.5928.422.31
8050.2439.4664.0050.2732.025.13

Weight Chart:- Stainless Steel 440A/440B/440C/446 Round Bar

SizeKgs / FootKgs / MtrSizeKgs / FootKgs / MtrSizeKgs / FootKgs / Mtr
3mm0.0170.05520mm0.7532.4703"10.90035.762
1/8"0.0190.06222mm0.9082.9793-1/4"12.80041.996
5/32"0.0290.0957/8"0.9263.0383-1/2"14.85048.772
4mm0.0300.09824mm1.0803.5433-3/4"17.00155.780
3/16"0.0430.14125mm1.1803.8714"19.30663.340
5mm0.0470.1541"1.2103.9704-1/4"21.90872.249
7/32"0.0580.19026mm1.2714.1704-1/2"24.448780.340
6mm0.0680.22327mm1.3684.4904-3/4"27.36690.249
1/4"0.0760.2491-1/8"1.5345.0335"30.46199.940
7mm0.0910.29830mm1.6915.5485-1/2"36.690121.000
5/16"0.1180.3871-1/4"1.9246.3496"43.860143.900
8mm0.1200.39832mm1.8946.3146-1/2"51.093167.630
9mm0.1520.4981-3/8"2.3037.5507"59.432196.000
3/8"0.1700.55735mm2.3907.5537-1/2"68.226225.000
10mm0.1890.62036mm2.4387.9998"77.586254.55
11mm0.2280.74838mm2.7928.90310"121.048397.140
7/16"0.2320.7611-1/2"2.7158.951
12mm0.2710.88940mm3.0099.872
1/2"0.3030.9941-5/8"3.20010.449
13mm0.3181.0431-3/4"3.71212.179
14mm0.3681.20745mm3.80712.555
9/16"0.3831.2561-7/8"4.26013.977
15mm0.4241.39148mm4.33014.205
5/8"0.4731.55150mm4.69815.414
16mm0.4811.5782"4.84815.906
17mm0.5431.7912-1/8"5.47517.963
11/16"0.5731.8802-1/4"6.13520.128
18mm0.6102.00160mm6.76822.205
3/4"0.6822.2372-3/8"6.83822.435
2-1/2"7.57624.856
2-5/8"8.35427.409
2-3/4"9.16930.083

Different Types:- Stainless Steel 440A/440B/440C/446 Round Bar

Astm A276 SS 440A Round Bar
ASME SA276 Stainless Steel 440B Hex Bar
UNS S44002 Bright Bar
DIN 1.4109 Black Bar
Astm A479 SS 440C Threaded Bar
UNS S44003 Tie Rod
Astm A479 Stainless Steel 440A Flat Bar
AISI SA479 SS Rectangular Bar
Astm A276 Stainless Steel 440B Polished Bar
AISI SA276 SS 446 Square Bar
UNS S44600 Cold Drawn Bar
DIN 1.4125 Ingot

Price List:- Stainless Steel 440A/440B/440C/446 Round Bar

  • Stainless Steel 440A Hex Bar
    USD $2.1 – $10.03 / Kg
  • SS 440B Round Bar
    USD $2.02 – $10.18 / Kg
  • Alloy 440C Bright Bar
    USD $2.42 – $10.48 / Kg
  • SS 446 Threaded Bar
    USD $2.18 – $10.81 / Kg
  • UNS S44002 Flat Bar
    USD $2.14 – $10.45 / Kg
  • ASTM A276 SS 446 Square Bar
    USD $2.11 – $5.2 / Kg
  • DIN 1.4109 Black Bar
    USD $2.13 – $10.92 / Kg

Application Industries

These material are not a single material but the name for a family of corrosion resistant steels. Like many scientific breakthrough the origins of stainless steel lies in a lucky accident. From the smallest part of zipper to the largest building skyscraper, stainless steel is an essential part of modern life.Stainless steel’s strength, resistance to corrosion and low maintenance make it the ideal material for a wide range of applications. It is also has a long life cycle and is 100% recyclable.
  • Construction
  • Bridges
  • Petrochemical Industry
  • Ship Building
  • Engineering
  • General Structural Purposes
  • Offshore and Onshore Services

Packaging Industries

We Sumit Impex Metal Ensure the Best Quality of Packing, Because It Plays an Important Role Especially in the Case of International Shipments in Which Consignment Passes Through Various Channels to Reach the Ultimate Destination, So We Put Extraordinary Concern Regarding Packaging.

We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,

  • Boxes and Crates
  • Shrink-wrapped
  • Carton boxes
  • Wooden pallets
  • Wooden boxes
  • Wooden crates

Testings (Destructive, Non Destructive)

  • Mechanical Testing Such as Tensile, Elongation, Reduction of Area
  • Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
  • Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
  • Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
  • Positive Material Identification – PMI Testing
  • Chemical Analysis – Spectro Analysis
  • Intergranular Corrosion (IGC) Test
  • Pitting Resistance Test
  • Dye Penetrant Test (DP Test)
  • Bend Test
  • Micro Test
  • Macro Test
  • Hardness Test
  • Flaring Test
  • Flattening Test
  • Hydrostatic Test
  • Radiography Test
  • Ultra Sonic Test (UT)
  • Eddy Current Testing
  • Impact Test

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