"Comparison field","Approved or baseline record","Proposed or alternative record","Difference or unresolved question","Evidence and responsible reviewer"
"Project, member ID and location","","","",""
"Approved design/drawing revision","","","",""
"Supplier and exact product identity","","","",""
"Product standard and edition","","","",""
"Complete grade and subgrade","","","",""
"Hot-finished / cold-formed / other declared route","","","",""
"Outside dimensions and wall-thickness basis","","","",""
"Applicable certified dimensional tolerances","","","",""
"Corner geometry and section-property table","","","",""
"Yield/tensile data and applicable thickness conditions","","","",""
"Toughness evidence with specimen/test-temperature conditions","","","",""
"Ductility and weldability evidence relevant to design","","","",""
"Affected connection and fabrication interfaces","","","",""
"Separate coating specification and interface","","","",""
"Evidence tied to actual offered/supplied material","","","",""
"Responsible structural designer and review scope","","","",""
"Written disposition, covered members and conditions","","","",""
"Controlling drawing/purchase revision and unresolved action","","","",""
"Use","Read both complete products before comparing a strength number. Evidence of material identity is not member-capacity approval.","","Manual worksheet; no formulas or automatic approval.",""
"Source context","SCI/BCSA: https://steelconstruction.info/topics/design/steel-construction-products/ ; named examples: https://www.tatasteeluk.com/en-US/construction/products/tube/structural-hollow-sections/celsius ; https://www.tatasteeluk.com/construction/products/tube/structural-hollow-sections/hybox","","",""