Alloy structural steel plate A517 Grade Q is under American steel standard ASTM A 517/A 517M.Till now Xinsteel can offer the maximum thickness for high strength steel plate A517Gr.Q reaching to 350 millimeters with heat treatment of quenched and tempered. Quenched and tempered alloy steel plate A517 Grade Q belongs to high yield and tensile strength steel plate.Rolling steel grade A517GrQ furnished under ASTM A517/A517M shall conform to the requirements of the current edition of specification A 20/A 20M,for the ordered materials of steel A517 Gr.Q,unless a conflict exists in which case this specification shall prevail.

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Other relative high strength steel grades including EN 10025-6 S460Q high strength steel plate,S460QL Quenched steel plate,S460QL1 steel plate,S500Q hot rolled steel plate,S500QL structural steel plate,S500QL1 high strength steel plate,S550Q plate steel,S550QL structural steel plate,S550QL1 quenched steel plate,S620Q steel plate,S620QL high strength steel plate,S620QL1 plate steel,S690Q steel plate,S690QL structural steel sheet,S690QL1 steel plate,S890Q plate steel,S890QL steel sheet,S890QL1 hot rolled plate,S960Q high strength steel plate,S960QL high strength plate steel.

Chemical composition of Heat analysis for A517 Grade Q quenched and tempered steel plate (Max %)