A633 Grade A STEEL PLATE

ASTM A633 specification A633GrA,A633 Grade A,A633GrA steel plate is mainly used in steel structures.This steel standard A633/A633M includes four different steel grades A633GrA,A633GrC,A633GrD and A633GrE.They have owned different chemical composition and mechanical property.Low alloy steel plate A633Gr.A owned the minimum yield strength at 290Mpa,and the tensile strength shall be within 430-570Mpa.Normalized het treatment is necessary for A633 Grade A steel plate for any thickness when rolling.
 

Technical Requirements & Additional Services for A633GrA steel plate:
♦ High tension test
♦ Low temperature impacting test
♦ Simulated post-welded heat treatment (PWHT)
♦ All thickness for this grade shall be done Normalized
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands 

► Mechnical property for A633GrA steel plate: 

Thickness(mm)	Yield strength (≥Mpa)	Tensile strength (≥Mpa)	Elongation in ≥,%
T≤65	290	430-570	200mm	50mm
65<T≤100	290	430-570
100<T	...	...	18	23

►Chemical composition for A633GrA steel plate (Product Analysis Max%)

Main chemical elements composition of A633GrA steel plate
C	Si	Mn	P	S	Nb
0.18	0.15-0.50	1.00-1.35	0.035	0.04	0.05