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ASME IX · AWS D1.1Welding

ASME IX & AWS D1.1 — American welding codes

What is it?

The US counterparts to EN rules: ASME Section IX qualifies welders and procedures for boilers, pressure vessels and piping (WPQ per QW-484); AWS D1.1 governs structural steel (D1.2 aluminium, D1.6 stainless). Many oil & gas and shipyard projects in Europe run on these codes.

What evidence should a candidate have?

WPQ records with positions (3G/4G/6G), thickness ranges and continuity confirmations — ASME papers expire without ongoing practice.

Why it matters for staffing

A welder holding both EN ISO 9606 and ASME/AWS papers can be placed on European AND American-code projects — double the market, premium rates.

Official sources
ASME ↗AWS ↗
Used in trade modules
WelderPipefitter / Industrial fitter
Related standards
EN ISO 9606
EN ISO 9606 — welder qualification test
EN ISO 5817
EN ISO 5817 — weld quality levels B, C, D
EN 1090
EN 1090 — execution of steel structures (EXC1–4)
VT · PT · MT · RT · UT
NDT — non-destructive testing of welds

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