GB/T 1954-2008 Translated English of Chinese Standard. (GBT 1954-2008, GB/T1954-2008, GBT1954-2008): Methods of Measurement for Ferrite Content in Austenitic Cr-Ni Stainless Steel Weld MetalsThis Standard stipulates the measurement method for ferrite content. This Standard is applicable to Austenitic, Austenitic-ferritic chromium nickel stainless steel welded metals. The magnetic method stipulated in this Standard is not applicable to Austenitic stainless steel castings and forgings. |
Contents
| 3 | |
Scope | 5 |
Magnetic Method | 6 |
Metallographic Method | 10 |
Test Report | 16 |
Appendix A informative Measurement Data Reference Format | 20 |
Common terms and phrases
arc extinction Austenitic stainless steel Average Test Value average value carbon steel central cross section chromium content in Austenitic copper plates data 10 points diameter of welding direction of weld display ferrite Electric Arc Weld Electrolytic Ethanol ferrite distribution Ferrite measurement instrument Ferrite Number FN ferromagnetic field of view GB/T Glycerin Hydrochloric Acid large surface layer’s minimum height lead as cathode longitudinal direction magnetic method magnetic permeability Mange-Gage measurement location measurement process measurement result Metallographic Method metallographic sample Metallographic Standard Map micrometer minimum height H Newly prepared reagent outermost weld bead overlaying layer overlaying layer’s minimum overlaying metal parties through negotiation Phosphoric Acid piece as anode polished product weld representative fields Rod Electric Arc sample preparation secant method shown in Figure single weld bead stainless steel weld steel as cathode Steel Weld Metals Surfacing metal Samples take the average temperature test piece Tianjin volume percentage welding core Welding Rod Electric