What's the chemical composition of S550Q?

Jul 10, 2020

Standard: EN 10025-6: 2004

Material: S550Q

Category: Hot rolled products of structural steels.

S550Q plates are high yield strength structural steels in the quenched and tempered condition.

IMG_20170909_091556

S550Q Chemical composition(%, max.)

C	Si	Mn	P	S	N	B	Cr
0.20	0.80	1.7	0.025	0.015	0.015	0.005	1.5
Cu	Mo	Nb	Ni	Ti	V	Zr
0.50	0.70	0.06	2.0	0.06	0.12	0.15

S550Q steel plate delivery state: delivered in quenched and tempered condition. It is also possible to add flaw detection standard requirements, flaw detection level requirements, Z-direction performance requirements, and the addition of special alloy elements according to the requirements, but it needs to be communicated by the supply and demand parties and indicated in the contract.

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