Quality & Compliance
Review the evidence required for each item. Applicable standards, editions, inspection and documentation must be confirmed for the proposed order.

Material certification
Confirm the required material certificates and traceability for each item, including EN 10204 Type 3.1 where specified, and review the evidence against the order requirements.
Hydrostatic testing
Agree applicable pressure and leak testing, acceptance requirements and reporting before accepting the proposed supply. Testing must be supported by the records required for the order.
Weld compliance
Confirm applicable welding procedures, qualifications and records with the proposed supplier, including ASME Section IX where specified for the order.
Dimensional verification
Define applicable dimensional standards, tolerances, inspection scope and records for the quoted items before order approval.
Standards to confirm for your project
ANSI B16.5
Pipe flanges and flanged fittings — dimensions and pressure ratings
ANSI B16.9
Factory-made wrought butt welding fittings
API 601 / ASME B16.20
Metallic gaskets for pipe flanges — spiral wound
API 5L
Line pipe for oil and gas transmission
API RP 2201
Safe hot tapping practices in petroleum and chemical industries
ASME B31
Pressure piping code — reinforcement and design
ASME Section IX
Welding qualifications for welders and procedures
ASTM A105
Carbon steel forgings for piping applications
ASTM A234-WPB
Carbon steel pipe fittings for moderate and high temperature
ASTM A516 Gr. 70
Carbon steel plates for pressure vessels
ASTM A193 Gr. B7
Alloy steel bolting for high temperature service
ASTM A194 Gr. 2H
Carbon steel nuts for high pressure service
ANSI B18.2 / B1.1
Bolt and nut dimensions and unified threads
EN 10204 Type 3.1
Material test certificates — inspection certificate 3.1

Have a Bill of Quantities ready?
Send your BOQ or equipment list to request offers for review against your specifications. Availability, supporting evidence and commercial terms need confirmation before an order is agreed.
