High strength Q960D steel plate properties

Technical standard for Q960D steel plate: GB / T 16270-2009, Delivery status of Q960D steel plate: quenching + tempering (Q + T).

Q960D is a quenched and tempered high-strength steel, which is used to make pressure shell parts, high-pressure structural parts, various engineering machinery, such as drilling rigs, electric shovels, electric wheel dumpers, mining trucks, excavators, loaders, bulldozers, various cranes, coal mine hydraulic supports and other mechanical equipment and wear-resistant structural parts for mining and various engineering construction.

Chemical composition analysis of Q960D steel plate:

Ceq Max

≤0.2

≤0.8

≤2

≤0.025

≤0.015

≤2

≤1.5

≤0.7

≤0.5

≤0.06

≤0.12

≤0.05

≤0.005

≤0.82

Composition remarks: at least one refined grain element of Nb, Ti, V and Al shall be added to the steel, and the minimum amount of at least one element is 0.015 (ALS for Al). Alt can be used to replace Als, at this time Alt ≥ 0.018. CEQ = C + Mn / 6 + (Cr + Mo + V) / 5 + (Ni + Cu) / 15

Mechanical properties of Q960D steel plate:

Thickness	Mechanical properties
≤50mm	ReH(MPa)	≥960	When the yield is not obvious, use Rp0.2
	Rm(MPa)	980-1150
	A(%)	≥10
	Impact temperature	-20
	Akv(J)	≥34	Longitudinal

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