Astm g 48 03 pdf free download astm international standards. Maximum allowable service temperatures and the astm g48 test. Standard practice for laboratory immersion corrosion testing of metals. Astm g48, standard test methods for pitting and crevice corrosion resistance of. The astm g48a test ferric chloride test is widely used for prequalification of corrosion resistant alloys, welds and weld overlays for oil and gas industry. Astm e47 pdf e 03 standard test method for color and colordifference measurement by tristimulus filter colorimetry, bidirectional geometry, color, color. The astm ga test ferric chloride test is widely used for prequalification of corrosion. The available pitting and crevice astm g48 method a methods include. Oct 10, 2019 astm international takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. The test temperature of 22 c is too aggressive for lean duplex grades. Astm g 48 03 pdf free download january 26, 2018 astm g comments. Standard test methods for pitting and crevice corrosion. Astm g 48 is a relatively severe test, but lack of definition in the standard can lead to variation of data.
Wear and erosion to find similar documents by classification. In conclusion, the astm g48 standard is a valuable method to detect inadequate heat treatment and welding procedures that could lead to, for example, severe second phase precipitation e. The astm standard states that the solution is designed to provide breakdown of 304 at room temperature. Corrosion testing to astm g48 using method a corrosion engineering engtips. Jun 14, 2019 astm g48 pdf example of pitting after corrosion testing in accordance with astm g48 method a. Standardt est methodsfor detectingdetrimental intermetallic. Aug 07, 2019 august 7, 2019 admin travel leave a comment on astm g48 pdf example of pitting after corrosion testing in accordance with astm g48 method a.
The last approved version of this historical standard. Method a is the rapid screening method sodium hydroxide etch test for classification of etch structures of duplex stainless steels, and is preferable for quick analysis of susceptibility to intermetallics in the microstructure. Jan 26, 2018 astm g 48 03 pdf free download january 26, 2018 astmg comments. Dear experts, the subjected testing was performed on duplex steel for welding procedure qualification at testing temperature of 22c for. Use of duplex stainless steels in the oil refining industry. Dec 25, 2019 astm g4811 pdf posted on december 25, 2019 originally the astm website. Astm g48 is the most commonly used standard to assess pitting and. Standard test methods for pitting and crevice corrosion resistance of stainless.
Astm g48 pdf example of pitting after corrosion testing in accordance with astm g48 method a. May 12, 2020 corrosion testing to astm g48 using method a corrosion engineering engtips. Astm g48 112015 standard test methods for pitting and. Had you encountered a specific problem or were you just looking for general information. Standard test methods for pitting and crevice corrosion resistance of stainless steels and related alloys by use of ferric chloride solution astm g28022008, astm a 262 02a 2008 b, c, e, f, astm a76393 2004, une en iso 36512. Note 4purchasers are cautioned that different classes of nuts have different nut thickness see 7. Astmg48 standard test methods for pitting and crevice.
The material is normal duplex astm a790 uns 31803, smls pipe not the super duplex. Nevertheless, astm g48 test with more severe conditions then enabled us to. Standard guide for examination and evaluation of pitting. Jul 21, 2019 astm e47 pdf e 03 standard test method for color and colordifference measurement by tristimulus filter colorimetry, bidirectional geometry, color, color. Testing by astm g48 for pitting and crevice corrosion. The product is wrought duplex but testing to g48 using method a is client specification requirement for welding procedure qualification at 22c for suggested 72 hours. Astm g48 112015 h4811 when testing aswelded, cylindrical, or other nonflat samples, the standard crevice formers will not provide uniform contact. Abstract astm g48 standard test methods for pitting and crevice corrosion resistance of stainless steels and related alloys by use of ferric chloride. Pdf accelerated pitting corrosion test of 304 stainless. I am not sure if the suggestions here were based on hypothetical or real sea. To acquire the current version of the standards with print and download options, follow the hyperlink to the current version. Purchase your copy of astm g48 112015 as a pdf download or hard copy directly from the official bsi shop. When using stainless and duplex steels, astm g48 is widely astm g48 method a to ensure the quality of the material and resistance to pitting and crevice corrosion. Astm g61 focuses on crevice free specimens, but the.
Astm g48 112015 standard test methods for pitting and crevice corrosion resistance of stainless steels and related alloys by use of ferric chloride solution. For annual book of astm standards volume information, refer to the. Duplex and astm g48a test metal and metallurgy engineering. Astm international helping our world work better standards catalog 2016. All bsi british standards available online in electronic and print formats. Astm g48 standard test methods for pitting and crevice. Standard test methods for pitting and crevice corrosion resistance of stainless steels and related alloys by use of ferric chloride solution1. This wellknown is issued below the constant designation g forty eight. When using stainless and duplex steels, astm g48 is widely used to ensure the quality of the material and resistance to pitting and crevice corrosion. Standard test methods for pitting and crevice corrosion resistance of stainless steels and related alloys by use of ferric chloride solution, astm international, west conshohocken, pa, 2011. Buy astm g r test methods for pitting and crevice corrosion resistance of stainless steels and. Astm g61 focuses on crevicefree specimens, but the. Duplex and astm g48 a test sjones petroleum 16 may 16 03. The astm g48 method b is used to assess the pitting and crevice corrosion resistance of stainless steels.
Pdf accelerated pitting corrosion test of 304 stainless steel using. There are more resources out there, i did a simple download free bs standards search, to see the above. Showing the bestfit line and astm e140 conversion for ferritic steel. Standard test methods for pitting and crevice corrosion resistance of stainless steels and related alloys by use of ferric chloride solution. I must say, however, that i dont agree with metrode when they say that the test temperatures given in astm g48 standard are only recommendations. Aug 17, 2019 abstract astm g48 standard test methods for pitting and crevice corrosion resistance of stainless steels and related alloys by use of ferric chloride. The test temperature of 22 c is too aggressive for lean duplex grades such. The underside of the test piece was almost completely free.
When using stainless and duplex 4g811, astm g48 is widely used to ensure the quality of the material and resistance to pitting and crevice corrosion. Pdf marine and offshore structures constructed with stainless steel are. Methods c, d, e and f allow for a ranking of alloys by minimum critical temperature to cause initiation of pitting corrosion and crevice corrosion. Corrosion testing to astm g48 using method a corrosion. May 02, 2020 astm g48 method a pdf if youre forced to pursue the wrost case scenario, then the other option is to use super duplex welding consumables for the weld coupon. Apr, 2020 example of pitting after corrosion testing in accordance with astm g48 method a. Astm a923 testing detecting intermetallic phases in duplex. For annual book of astm standards volume information, refer to the standards document summary page on the astm website. Nace corrosion 2014 challenges in pre qualification corrosion.