ASME SA302 Grade B and ASTM A302GrB, A302 Grade B boiler steel

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ASME SA302 Grade B and ASTM A302GrB, A302 Grade B boiler steel

Posted:2014-11-30 13:52:54

ASME SA302 Grade B and ASTM A302GrB which is Manganese-molybdenum alloy boiler steel plate,comparing with boiler steel plate A302 Grade A,A302 Grade B boiler steel plate contains more chemical element in manganese,and also owned a higher values in yield strength (minimum 345Mpa)and tensile strength (550-690Mpa).

Katalor's rolling range for pressure vessel steel plate A302 Grade B is thickness within 6.0-350mm,width within 1500-4200mm and length within 3000-18000mm.For special sizes customers needed,Katalor also offer cutting and welding services in processing plants.

A302 Grade B boiler steel plate specification:

Steel Grade: A302 Grade B Steel Standard: ASTM A302/A302M

Thickness:6mm-450mm, Width:1200mm-4200mm, Length:3000mm-18000mm

ASTM A302 Grade B mechanical properties:

Grade

Tensile strength

kis [MPa]

Yield strength

min, kis [MPa]

Elongation in 8 in.

[200 mm], min, %

Elongation in 2 in.

[50 mm], min, %

A302 Grade B

80-100 [550-690]

50 [345]

Chemical composition for A302 Grade B boiler steel (Product Analysis Max%)

Main chemical elements composition of A302Grade B
Thickness(mm)	C	Si	Mn	P	S	Mo
T≤25	0.20	0.13-0.45	1.07-1.62	0.035	0.035	0.41-0.64
25<T≤50	0.23
50<T	0.25

A302 Grade B boiler steel application:

ASTM A302 Grade B steel plates are widely used in petroleum, chemical industry, power station, boiler, etc, used to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel, boiler steam drum steam, liquefied petroleum, hydropower station, high pressure pipe.

A302 Grade B boiler steel test: Ultrasonic examination,Normalized,Quenched and Te CC and Third party inspections by end user.

Shanghai Katalor Industry Co., Ltd Is specialized in the production of steel plate, steel pipe, steel bar, it is located in Shanghai, with advanced technology and services, if you need ASTM A302 Grade B steel, please give us a message.

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