What is P460QL1 material?

P460QL1 material is a European standard pressure vessel steel plate, which is classified as weldable fine grain quenched and tempered steel. It has excellent plasticity, resistance, cold bending function and welding function. P460QL1 specification: EN10028-6, Material number: 1.8872.

P460QL1 steel plate melting analysis, chemical composition(%)
C: ≤0.18; Si: ≤0.5; Mn: ≤1.7; P: ≤0.02; S: ≤0.010; Ni: ≤1; Cr: ≤0.5; Mo: ≤0.5; Cu: ≤0.3; Nb: ≤0.05; V: ≤0.08; Ti: ≤0.03; N: ≤0.015; Zr: ≤0.05; B: ≤0.005

P460QL1 steel tensile requirements

Delivery condition	Thickness(mm)	Yield strength MPa	Tensile strength MPa	Elongation A(％)	Impact temperature °C	Impact value
Quenched and tempered	5-50	≥460	550-720	≥19	-40	≥27
	>50-100	≥440	550-720	≥19	-40	≥27
	>100-150	≥400	500-670	≥19	-40	≥27

Heat treatment of P460QL1 steel plate: Q+T (quenching and tempering)