A299GrB,A299 Gr B,A299 GRADE B,A299 Gr.B,A299Gr.B STEEL PLAT

A299GrB,A299 Gr B,A299 GRADE B,A299 Gr.B,A299Gr.B STEEL PLATE
 
Unitedsteel mill produce super thickness plate for A299 /A299M covers manganese, silicon carbon steel plate for used in welded boiler and others pressure vessels in steel grade A299 Grade A and A299 Grade B.
 
ASTM A299 plates in 50 mm and under in thickness are normally supplied in the as-rolled condition. Plates may be ordered normalized or stress relieved, or both. Plates over 50 mm in thickness shall be normalized.
 
Supplementary Technology:   HIC Test | NACE MR0175 | Z15 | Z25 | Z35 | S1 | S2 | S3 | S4
S5 | S6 | S7 | S8 | S9| S11 | S12 | S17
 

A299 Grade B Chemical Composition
Grade	The Element Max (%)
	C	Si	Mn	P	S	Mo
A299 GR.B	0.28-0.30	0.13-0.45	0.84 -1.62	0.035	0.035	-

 

Grade	A299 Grade B Mechanical Property
	Thickness	Yield	Tensile	Elongation
A299 GR.B	mm	Min Mpa	Mpa	Min  %
	t≦50	310-325	550-690	19
	50<t≦200	310-325	550-690	19

 
 

Equivalent steel grade of A299 Grade B
Europe	Belgium	Germany	France	Italy	Sweden	India	Japan	U.K
		T St E 255		Fe 360 2 KG

 
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