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WebCorr Corrosion Rate Units Converter
- Converting between All Corrosion Rate Units for All Metals and Alloys  


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Features and Functions of Corrosion Rate Units Converter

 

Corrosion rate units commonly reported in the corrosion literature include:

  • micro-ampere per cm2: A/cm2,

  • milli-inch per year: mpy,

  • micrometer per year: m/y,

  • millimeter per year: mm/y,

  • gram per m2 per day:  gmd,

  • milligram per dm2 per day: mdd

Converting the corrosion rate from one unit to another for comparison and for engineering applicatioins is frequently required for numerous metals and alloys. For a given alloy, the conversion factors are different for each unit (A/cm2, mpy, m/y, mm/y, mdd, gmd); for a given unit conversion (e.g. mdd => mpy), the conversion factors are different for different alloys which are influence by the density, chemical compositions, atomic mass of elements in the alloy, and the valence of metallic elements in the alloy. Manual conversion requires multiple steps of calcualtion using a set of equations. The procedure is time-consuming and prone to errors, particularly for many engineering alloys that contain multiple metallic elements in their chemical compostions.

 

WebCorr Corrosion Rate Units Converter is the only device and OS indepedent software tool on the market for instantly converting between all corrosion rate units for all metals and alloys with precision. Users simply choose the metal or alloy from the list and the conversion between all corrosion rate units for the selected alloy is instantly displayed (Figure 1). If a metal or alloy is not available in the database, users can easily define their own alloys for the conversion (Figure 2).

 

Figure 1 Overview of Corrosion Rate Units Converter

Figure 2 User-Defined Alloy in Corrosion Rate Units Converter

 

WebCorr Corrosion Rate Units Converter provides error-free conversion conforming to relevant ASTM and NACE standards.  Current database in WebCorr Corrosion Rate Units Converter contains the following metals and alloys:

 

Aluminum and Aluminium Alloys

Aluminum

AA1100 (A91100)
AA1199 (A91199)
AA2024 (A92024)
AA2219 (A92219)
AA3003 (A93003)
AA3004 (A93004)
AA5005 (A95005)
AA5050 (A95050)
AA5052 (A95052)
AA5083 (A95083)
AA5086 (A95086)
AA5154 (A95154)
AA5357 (A95357)
AA5454 (A95454)
AA5456 (A95456)
AA6061 (A96061)
AA6062 (A96062)
AA6070 (A96070)
AA6101 (A96101)
AA7072 (A97072)
AA7075 (A97075)
AA7079 (A97079)
AA7178 (A97178)

 

Copper and Copper Alloys
Copper

CDA110 (C11000)
CDA220 (C22000)
CDA230 (C23000)
CDA260 (C26000)
CDA280 (C28000)
CDA442 (C44200)
CDA443 (C44300)
CDA444 (C44400)
CDA510 (C51000)
CDA524 (C52400)
CDA608 (C60800)
CDA612 (C61200)
CDA655 (C65500)
CDA687 (C68700)
CDA706 (C70600)
CDA710 (C71000)
CDA715 (C71500)
CDA752 (C75200)

 

Stainless Steels and Alloys
201 (S20100)
202 (S20200)
302 (S30200)
304 (S30400)
304L (S30403)
304LN (S30453)
309 (S30900)
310 (S31000)
311 (S31100)
316 (S31600)
316L (S31603)
316LN (S31653)
317 (S31700)
317L (S31703)
317LMN (S31726)
321 (S32100)
329 (S32900)
330 (N08330)
347 (S34700)
410 (S41000)
430 (S43000)
446 (S44600)
502 (S50200)
254SMO (S31254)
654SMO (S32654)
Nicrofer 3228 NbCe (S33228)
Nicrofer 2509 Si7 (S70003)
Ferralium 255 (S32550)
Zeron 100 (S32760)
7Mo Plus (S32950)
2RE69 (S31050)
3RE60 (S31500)
44LN (S31200)
IN-744 (S31100)
Uranus 50 (S32404)
Uranus B66 (S31266)
DP-3W (S39274)
Monit (S44635)
2205 (S31803)
2304 (S32304)
2507 (S32750)
2707 HD (S32707)
Sea-Cure (S44660)

 

Nickel and Nickel Alloys
Nickel

200 (N02200)
400 (N04400)
600 (N06600)
Inconel 625 (N06625)
Incoloy 825 (N08825)
Hastelloy B (N10001)
Hastelloy B-2 (N10665)
Hastelloy C (N10002)
Hastelloy C-4 (N06455)
Hastelloy C-22 (N06022)
Hastelloy C-2000 (N02000)
Hastelloy C-276 (N10276)
Alloy 20 (UNS N08020)
Hastelloy G (N06007)
Hastelloy G-3 (N06985)
Hastelloy G-30 (N06030)
20Cb-3 (N08020)
20Mo-4 (N08024)
20Mo-6 (N08026)
Al-6X (N08366)
AL-6XN (N08367)
904L (N08904)
Allcorr (N06110)
Sanicro 28 (N08028)
Cronifer 1925 hMo (N08925)
Nicrofer 5923 hMo (N06059)
Inconel 686 (N06686)
Inconel 690 (N06690)
JS700 (N08700)

 

Carbon Steels, Cast Irons and Low Alloy Steels
Carbon Steels
Low Alloy Steels
Gray Cast Iron
Silicon Cast Iron

 

Metals
Aluminium
Cadmium
Copper
Chromium
Iron
Lead
Molybdenum
Nickel
Silver
Gold
Palladium
Platinum
Tantalum
Tin
Titanium
Zinc
Zirconium

 

Magnesium and Magnesium Alloys

Magnesium
AZ63
AZ81
AZ91
AM60
AM50
AM20
AS41
AS21
ZK51
ZK61
ZE41
ZC63
EZ33
HK31
HZ32
QE22
QH21
WE54
WE43
M1
AZ31
AZ61
AZ80
ZM21
ZMC711
LA141
ZK31
ZK61
HK31
HM21
HZ11


User-Defined Alloy

Users can define their own alloy for the conversion by entering the density of the alloy in kg/cm3, the chemical composition (wt%) of the metallic elements in the alloy, and thier respective valence in the corrosion process. WebCorr Corrosion Rate Units Converter instantly displays the results of the conversion, saving users' time and effort.

 

Application Example

Weight loss coupon test for magnesium alloy AZ61 reported a corrosion rate of 1.123 mdd.

What is the equivalent corrosion current density in uA/cm2?

What is the corrosion rate expressed in um/y?

What is the corrosion rate expressed in mpy?

Answers to the above are instantly available (Figure 3) after selecting the alloy AZ61 from the dropdown list and entering the weight loss data "1.123" in the "mdd" field:

The equivalent corrosion current density is 1.0472 uA/cm2.

The corrosion rate in um/y is 22.7844.

The corrosion rate in mpy is 0.897.

 

Figure 3 Converting Corrosion Rate for Magnesium Alloy AZ61


Corrosion Rate Units Converter, making your conversion easier and faster

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