372179By / June 23, 2026 Website Certified Material Test Report Complete the customer fields and email yourself a PDF copy of this certificate. Customer Information Sold To State Cust Zip Address Country City Email * Product Information Product NameER 310 SpecificationAWS A5.9 Heat/Lot No372179 Size Date Shipped06/23/2026 Cust Order No Qty Chemical Composition Ag Al B 0.001 Be C 0.11 Cb Cd Co 0.12 Cr 25.72 Cu 0.11 Fe BAL Fm H La Mg Mn 1.68 Mo 0.16 N 0.056 Nb Ni 20.75 O O2 P 0.019 Pb S 0.001 Si 0.39 Sn Ta Ti U V Zn Zr Other NB:0.010 Ferrite Content — Physical Properties — Tensile Strength — Yield — Elongation — I certify the chemical and physical analysis, and mechanical test results reported, are correct as contained in the records of the company. Authorized by Print Email Me This Certificate