B.S. Si Cr 14 4 Cast steels

Material group: Ferrous Alloys / Cast steels
Country / Standard: United Kingdom / B.S.

Data updates

Latest Update: 2014-06
Total number of updates: 1
Update History

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B.S. Si Cr 14 4 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 1.4
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
4.0 – 5.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 1.0
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

BS 1591: 1995 / Specification for corrosion resisting high silicon iron castings

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B.S. Si Cr 14 4 Heat Treatments

  • The procedure, if necessary, shall be as follows.The castings shall be stripped from the mould while hot, and, as soon as possible after solidification and with the least possible delay, the hot castings shall be charged direct to a furnace previously heated to a temperature of approximately 600°C and maintained at that temperature during the period of charging the castings. When the furnace is finally charged, the castings shall be uniformly heated to a temperature of not less than 750°C and not more than 850°C. They shall be soaked at this temperature for a period varying from 2 h for small castings of simple form and maximum thickness of 18 mm, to 8 h for heavy castings of intricate design. After soaking, the castings shall be slowly cooled in the furnace and not removed until the temperature has fallen below 300°C.

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