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

Version 9.22

 

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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: uA/cm2,

  • milli-inch per year: mpy,

  • micrometer per year: um/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 applications is frequently required for numerous metals and alloys. For a given alloy, the conversion factors are different for each unit (uA/cm2, mpy, um/y, mm/y, mdd, gmd); for a given unit conversion (e.g. mdd => mpy), the conversion factors are different for different alloys which are influenced by the density, chemical compositions, atomic mass of elements, and the valence of metallic elements in the alloy. Manual conversion requires multiple steps of calculation 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 compositions. Try to manually convert a corrosion current density of 1 uA/cm2 to mm/y for the titanium alloy Ti-3Al-8V-6Cr-4Mo-4Zr and see for yourself how long it takes you to get an accurate conversion.

 

WebCorr Corrosion Rate Units Converter is the only device and OS independent 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 ISO, 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)

AA2060 (A92060)
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)

AA7050 (A97050)
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)
PH13-8 (S13800)
PH15-5 (S15500)
PH17-4 (S17400)
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

 

Titanium and Alloys
Titanium (unalloyed)
Ti-3Al-2.5V
Ti-5Al-2.5Sn
Ti-6Al-2Sn-4Zr-2Mo
Ti-6Al-6V-2Sn
Ti-6Al-4V
Ti-6Al-7Nb
Ti-5Al-2Zr-2Sn-4Mo-4Cr
Ti-6Al-2Sn-4Zr-6Mo
Ti-4.5Al-3V-2Mo-2Fe
Ti-4Al-4Mo-2Sn-0.5Si
Ti-10V-2Fe-3Al
Ti-3Al-8V-6Cr-4Mo-4Zr

 

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

 

Magnesium and Magnesium Alloys

Magnesium
AZ63
AZ31
AZ33
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 chemical composition (wt%) of the metallic elements in the alloy. WebCorr Corrosion Rate Units Converter instantly displays the results of the conversion between all corrosion rate units, 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

List of All Corrosion Modeling and Prediction Software (click each title to view details)

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  2. ACE - Apps for Corrosion Engineers: A Collection of Essential Corrosion Software Applications for Corrosion Engineers, Corrosion Researchers, and Corrosion Technicians in Laboratories and in Fields 

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  5. Atmosphere-Compass: Prediction and Modeling of Atmospheric Corrosion of Metals and Alloys 

  6. CCC-Compass: Modeling and Prediction of Caustic Corrosion and Caustic Stress Corrosion Cracking 

  7. CIPAL-Compass: Copper-Induced Pitting in Aluminium Alloys - Modeling, Life Prediction and Process Control 

  8. Cl2Compass: Modeling and Prediction of Corrosion by Dry Chlorine Gas

  9. CO2Compass: Modeling and Prediction of Corrosion by Carbon Dioxide (CO2), Hydrogen Sulfide (H2S), Acetic Acid (HAc), Elemental Sulfur (S), and Mercury (Hg) in Oil and Gas Pipelines and Production Tubing

  10. Concrete-Compass: Concrete Corrosion Prediction and Modeling 

  11. CP-Compass-Pipeline: Cathodic Protection Design Calculations, Verification, Assessment and Solution for Underground Pipelines

  12. CP-Compass-Concrete: Design Calculations for Cathodic Protection of Reinforced Concrete Structures

  13. CRA-Compass: Corrosion Modeling and Corrosion Prediction for Corrosion Resistant Alloys - the Threshold Temperature and Chloride Concentration for Pitting, Crevice Corrosion, and Stress Corrosion Cracking (SCC

  14. CSR-Compass: Modeling and Remaining Life Prediction of Creep and Stress Rupture of Boiler and Heater Tubes 

  15. CUI-Compass: Prediction and Risk Assessment of Corrosion Under Insulation and Fireproofing

  16. Dew-Point-Compass: Prediction of Dew Point Temperatures of Flue Gases and the Risk of Dew Point Corrosion

  17. DWD-Compass: Modeling and Life Prediction of Corrosion in Drinking Water Distribution Systems

  18. EN-Compass: Modeling and Prediction of the Corrosion Resistant Properties of Electroless Nickel Coatings

  19. EVS-Compass: Extreme Value Statistics in Corrosion Modeling and Corrosion Life Prediction of Structures and Plant Assets

  20. F2Compass: Modeling and Prediction of Corrosion by Dry Fluorine Gas

  21. FAC-Compass: Erosion Corrosion and Flow - Accelerated Corrosion Modeling, Life Prediction and Materials Selection in Water-Steam Systems 

  22. FuelAsh-Compass: Fuel Ash Corrosion Modeling and Life Prediction of Boiler and Heater Tubes 

  23. GC-Compass: Galvanic Corrosion Prediction and Materials Compatibility Assessment

  24. H2Compass: Modeling and Prediction of Low Temperature Hydrogen Damages (Hydrogen Blistering, Hydrogen-Induced Cracking, Hydrogen Embrittlement) and High Temperature Hydrogen Attack (HTHA)

  25. H2O-Compass: Modeling and Prediction of Water Corrosivity and Scaling Tendency

  26. H2SO4-Compass: Corrosion Prediction and Materials Selection Guide for Sulphuric Acid (H2SO4) Services

  27. HBr-Compass: Corrosion Prediction and Materials Selection Guide for Hydrobromic Acid (HBr) Services 

  28. HCl-Compass: Corrosion Prediction and Materials Selection Guide for Hydrochloric Acid (HCl) Services

  29. HF-Compass: Corrosion Prediction and Materials Selection Guide for Hydrofluoric Acid (HF) Services

  30. ISO15156-Compass: Modeling and Prediction of in-situ pH, Region of Environmental Severity, and Susceptibility to Sulfide Stress Cracking (SSC) of Carbon and Low Alloy Steels

  31. MIC-Compass: Modeling and Prediction of Microbiologically Influenced Corrosion in Oil and Gas Pipelines

  32. MSC -Compass: Modeling and Prediction of Molten Salts Corrosion in TES and MSR Applications 

  33. NAC-Compass: Modeling and Prediction of High Temperature Naphthenic Acid Corrosion

  34. NH3Compass: Modeling and Prediction of Corrosion in Ammonia Production, Storage, and Transport 

  35. O2Compass: Modeling and Prediction of High Temperature Oxidation 

  36. OCTG-Compass: Corrosion Prediction and CRA Materials Selection Guide for Oil and Gas Production Systems

  37. PCW-Compass: Corrosion Prediction and Modeling in Process Cooling Water Systems

  38. PipelineCompass: Pipeline Corrosion Modeling, Prediction, Assessment and Solutions

  39. S-Compass: Modeling and Prediction of High Temperature Sulfidation/Sulfidic Corrosion/H2-H2S Corrosion and Low Temperature Elemental Sulfur Corrosion

  40. SC-Compass: Stray Current Corrosion and AC Corrosion - Identification, Assessment and Prediction

  41. Seawater-Compass: Seawater Corrosion Prediction for Metals and Alloys 

  42. Shipwreck-Compass: Shipwreck Corrosion Modeling and Corrosion Prediction

  43. Soil-Compass: Soil Corrosion Prediction and Modeling for Metals and Alloys 

  44. SPE-Compass: Solid Particle Erosion Modeling and Prediction 

  45. VPC-Compass: Prediction and Modeling of Internal Corrosion in Vapor Phase in Closed Systems

  46. VPC-Compass-SE: Prediction and Modeling of Corrosion in Microelectronic Packages

  47. WebCorr Corrosion Rate Units Converter: Converting Between All Corrosion Rate Units for All Metals and Alloys

Corrosion Rate Units Converter, making your conversion easier and faster.

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