Petrochemical Bolts | Seng Heng Engineering Pte Ltd

Special grades of fasteners are specially manufactured as they are resistant materials well suited for service in extreme environments. These materials are also effective against temperature and pressure services such as pressure vessels and flanges.

Diameter Range: 1/4” – 5’’, M5 – M100

UNS
UNS	S31803, S32750, S32760 (SA, FG, FLT)

Nickel Alloys
Hastelloy®	B2, C4, C22, C276, G, G-3, X
Incoloy®	800, 800HT, 825, DS, Ra330
Inconel®	600, 601, 625, 718
Monel®	400, K500

Copper Alloys
Aluminium Bronze	B150, CA104, DGS 1043/1044, NES 833/834/835
Phospor Bronze	PB102
Cupro Nickels	70/30, 90/10