BS 4360 Grade 50B STEEL PLATE

In european british specification BS 4360,there are grade 50A,50B and 50C.BS 4360 Grade 50B steel plate shall be done low temperature impact test at 0 Degree centigrade,and BS 4360 Grade 50C have to be done impact test at -20 Degree centigrade.Comparasion with grades 40A,40B,40C,BS 4360 Grade 50B steel plate owned a higher tensile strength and yield strength in mechanical property and added elements Nb % and V % in chemical composition.

Technical Requirements & Additional Services for BS Grade 50B steel plate:
♦ Impact test at room temperature 0 ℃
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ The surface condition of plates,strip and wide flats shall comply to BS EN 10163
♦ 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 BS 4360 Grade 50B steel plate:

Thickness(mm)	Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
			200mm	80mm
T≤16	355	490-640	18	20
16<T≤40	345
40<T	340

►Chemical composition for BS 4360 Grade 50B steel plate (Heat Analysis Max%)

Main chemical elements composition of BS 4360 Grade 50B steel plate
C	Si	Mn	P	S	Nb	V
0.20	0.50	1.50	0.050	0.050	0.003-0.10	0.003-0.10

A