December 3, 2018

Carbon Steel BS3100 GR A2

Carbon steel Grade A2 is one British steel casting material, which is a popular steel material in casting purpose.

Grade A2 is listed in BS3100 standard which is superseded by GE240 in BS EN10293:2005.

Similar Casting Steel: ZG230-450; ASTM A27 Gr. 65-35[450-240]; SC410(SC42); GS-45(1.0446); ASTM A216 WCB; GE240  www.castingquality.com

BS 3100:1991 Specification for steel castings for general engineering purposes

BS 3100 Grade A2 Casting Chemical Requirements and Mechanical Property:
Carbon: 0.35max
Manganese: 1.00 max
Silicon: 0.60 max
Sulfur: 0.050 max
Phosphorus: 0.050 max  www.castingquality.com

Grade A2 TENSILE REQUIREMENT IN STANDARD.
Tensile Strength: 490Mpa min
Yield Strength: 260Mpa min
Elongation: 18.0% min
Charpy V-notch: 20J @ 20° C.
Angle of Bend: 90°
Radius of Bend: 1.5t4

BS3100 Gr A2 Casting Heat treatment process: Generally all castings need to be annealed or normalized; or N+T; or OQ+T; or WQ+T

A – For anneal by heating to a temperature above the AC3 and cool in the furnace.
N – For normalize by heating to a temperature above AC3 and cool in the still air.
OQ – For quench into oil from a temperature above AC3
WQ – For Quench into water from a temperature above AC3
AH – For air harden by heating to a temperature above AC3 and cool in air at a rate fast enough to produce a hardened microstructure
T – For temper by heating to a temperature below AC1.
ST – For solution treat by heating to a temperature high enough to dissolve carbides and any into intermetallic phases followed by a rapid cool.

Steel Manufacture Process: Sand Casting, Precision Lost Wax Investment Casting.

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    Sand Casting is a popular metal form method, are suitable for all materiel, such as grey iron, ductile iron, malleable iron, carbon steel, stainless steel, aluminum and bronze.

  2. 2
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Metal Castings

Carbon Steel

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