A299 Gr.A Carbon Steel for Pressure Vessel

A299Gr.A steel udner ASTM A299/ ASME SA299 is a carbon steel for welded boilers and pressure vessels. The yield strength of A299 Gr.A steel under 25mm thickness is 290MPa min., 275MPa min. Above 25mm thickness.

ASTM A299 Gr.A Steel Chemical Composition

Grade	The Composition (by weight, heat analysis, %)
	Carbon, max.	Silicon	Manganese	Phosphous, max.	Sulfur, max.
A299 Gr.A	0.28	0.15-0.40	0.90 -1.50	0.025	0.025

Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

ASTM A299 Grade A Steel Mechanical Properties

Materail	Yield strength Min. Mpa[ksi]	Yield strength Min. Mpa[ksi]	Tensile strength	Elongation in 8 in.	Elongation in 2 in.
	thickness ≦25mm	thickness>25mm	Mpa[ksi]	Min, %	Min, %
A299 Gr.A	290[42]	275[40]	515-655 [75-95]	16	19

Delivery condition: A299Gr.A plates 2 inch [50mm] and under in thickness are normally supplied in the as-rolled condition. Plates may be ordered normalized or stress relieved, or both. ASTM A299 steel plates products over 2 inch  [50mm] in thickness shall be normalized.
Delivery time : Promptly ( Stock) or 10-40 days (Production) 
Stock : 300tons 
MTC: Available 
Payment Term : T/T or L/C At sight.
Application: boilers and pressel vessels 

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