NI Resist Irons

NI Resist Irons Properties and Applications

We've put together this handy reference sheet for Ni resist materials to assist you with specifications and ordering - if you need any assistance, please don't hesitate to contact us using the form at the bottom of the page!

TypeGradeTensile Strength(min) N/mm20.2% Proof Stress (info only)Elongation % (info only)Charpy V notch @ 20C (J)Brinell Hardness BHNTypical Properties/Uses
Flake GraphiteF11701–2140-220Good corrosion and heat resistance combined with good bearing properties. Uses include Marine, furnace, pumps and valves.
F21701 – 3140 – 220Similar to F1 but has greater alkali corrosion resistance. For use in pumps for soap, food and plastics manufacture.
F31901 – 3120 – 215Erosion resistance in wet steam and salt slurry. Good thermal shock resistance up to 800c along with good high temperature corrosion resistance. Uses include Exhaust gas manifolds, turbocharger housings, filters, pumps and valves.
Spheroidal GraphiteS23702107 – 204 – 20140 – 230Corrosion and heat resistance similar to F1 but with superior mechanical properties. Typical uses include exhaust manifolds for use up to 750c, pumps, valves and turbocharger parts.
S2B3702107 – 204 – 10140 – 230Better corrosion resistance to that of grade S2 due to presence of Chromium but a harder alloy to ensure freedom from porosity in. Typical uses include exhaust manifolds for use up to 750c, pumps, valves and turbocharger parts.
S2C37017020 – 4020 – 30130 – 170Non-magnetic with good impact properties down to -100c. Lower corrosion and heat resistance than S1. Typical uses include non-magnetic components for generator sets, insulator flanges and for moderate cryogenic applications.
S2M42021025 – 4515 – 25150 – 180Non-magnetic with mechanical properties maintained down to -150c. Uses include cryogenic components for use down to liquid nitrogen temperatures.
S2W3702107 – 2010 – 20140 – 200Corrosion and heat resistance similar to F1 but with superior mechanical properties. Typical uses include exhaust manifolds for use up to 750c, pumps, valves, and turbocharger parts. S2W has improved weldability compared with grade S2.
S33702107 – 184 – 20130 – 200Similar to grade F3 but with enhanced mechanical properties. Uses include exhaust gas manifolds, turbocharger housings, filters, pumps and valves.
S5S3702107 – 20130 – 180Very good resistance to growth and scaling up to 850c combined with good thermal shock resistance. Used for turbocharger housings, support rings, exhaust gas manifolds and dieblocks for titanium pressings.
S639020015 – 2515 – 25130 – 170Non-magnetic, used for covers for turbine generator sets ducts and terminals.

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