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momu243



Joined: 31 Aug 2018
Posts: 10

PostPosted: Fri Aug 31, 2018 8:21 am Reply with quoteBack to top

4J36(Invar 36) Bolt
BDF can produce qualified 4J36(Invar 36) bolt of all kinds of cold formed and hot forged. The forms are hexagon bolts, hex heavy bolts, socket cap bolts, anchor bolts, and other non-standard bolts according to customer drawings. The size ranges from M8-M100 in METRIC and 3/8 to 3-1/2 in INCH, with varies length.
Features:
Invar 36 is a 36% nickel-iron alloy notable for its uniquely low coefficient of thermal expansion which is roughly one-tenth that of carbon steel in the range from room temperature to around 200℃. It also retains good strength and toughness at cryogenic temperatures. It can be hot and cold formed and machined using processes similar to austenitic stainless steels.
Applications:
Invar 36 is useful for applications where high dimensional stability is required such as standards of length, precision optical and laser system, cryogenic components. It is also used in conjunction with high expansion alloys in applications in bimetallic thermostats.
Chemical composition:
%FeNiCMnSiPSCoCr
minbalance35
max370.150.600.400.0250.0250.500.25
Physical properties:
Density8.11 g/cm3
Melting range1430℃Precision Alloy Bolts
website:http://www.jsbdfastener.com/alloy-bolts/precision-alloy-bolts/
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