Material detail

API 5L / L290 / X42

Thickness-dependent material strength values for engineering lookup and model input preparation.

Reference API 5L Grade: L290 / X42

Pipeline steels

Material identity

API 5L L290 / X42 βw 0.8

Strength ranges

Thickness range	fy	fu
0 < t ≤ 63 [mm]	[N/mm2]	[N/mm2]