Q690C lamina ferro

Laminae ferrariae ex materia Q690 factae altae vires et distrahentes vires habent et late in machinis meis carbonibus et machinatione machinativa adhibentur, sicut firmamentum hydraulicum, grues portus, aliquet plana et cetera.

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Compositio chemica Mechanica Property

Compositio chemica

Q690 Chemical Compositio (%)

Steel Gradus

Quality Grade

Q690

Q690C

≤ 0.18

≤ 0.60

≤ 2.00

≤0.030

≤ 0.11

≤ 0.12

≤ 0.20

≤ 1.00

≤ 0.80

≤ 0.014

≤ 0.30

≤ 0.004

≥ 0.015

Q690D

≤0.030

≤0.025

Q690E

≤0.025

≤0.020

Mechanica Property

		Q690 Vires fac (≥N/mm2); Crassitudo, vel Dia. d (mm)
Standard	Steel Gradus	Qualitas	d≤16	16	40	63
GB/T 1591 – 2008	Q690	C, D, E	690	670	660	640
GB/T 1591 - 2018	Q690M	C, D, E	690	680	670	650

		Q690 fortitudo tensile(N/mm2); d (mm)			Prolongatio
Standard	Steel Gradus	Qualitas	d≤40	40	63	%
GB/T 1591 – 2008	Q690	C, D, E	770-940	750-920	730-900	≥14
GB/T 1591 - 2018	Q690M	C, D, E	770-940	750-920	730-900	≥14