API 510 Data Sheets ( Temperatures)

Welding- base metal temp where welding is not recommended

Welding- Base metal temp when pre-heat to 60 °F is recommended

Corrosion-CUI affects Carbon steel and low alloy (temp range)

UT calibration- calibration block must be within what temp of the part to be examined

NDE- standard temp range for a PT exam

Corrosion- temp where cooling water corrosion starts to significantly increase

Corrosion- Temp where chloride stress corrosion cracking becomes a concern

Corrosion- CUI affects Austenitic SS (temp range)

NDE- special procedures are needed for UT thickness readings

Corrosion- temp when high strength caustic causes serious corrosion in CS and 300 SS

Corrosion- temp swings that can cause thermal fatigue

Corrosion- most aggressive CUI temp range

Welding- Min pre-heat temp when pre-heat is substituted for PWHT

Welding-Min pre-heat temp when a local PWHT is used in lieu of a full encirclement PWHT

Corrosion- starting temp for Sulfidation on CS

Corrosion- temper embrittlement for low chromes (range)

Inspection- if vessel operating temp is above this consult a corrosion specialist when developing an inspection plan

Corrosion- if operating temp is above this, check for creep in cat reformer equipment

NDE- MAX temp for UT readings

Materials- carbon steel PWHT temp

Testing- minimum base metal temp during hydro testing vessels less than 2" thick

Testing- Min base metal temp during hydro testing vessels greater than 2" thick