Applicationparameters

Washer

(steel)

Washer

(stainless steel)

Washer

(254SMO^®)

Washer INCONEL^®/HASTELLOY^®

C-276

INCONEL^® 718

Material type and process

EN1.7182or equivalent  Through hardened
Delta Protekt  base coat
(KL100) and top coat
(VH301GZ)

EN AISI316 (1.4404) or equivalent,surface hardening (quenching)

EN 1.4547 or equivalent grade,surface hardened (quenching)

EN 2.4819 or equivalent grade,surface hardened

(quenching)

EN 2.4668  or equivalent ,surface hardened

(quenching)

hardness

≥465 HV1

≥520 HV0.05

≥600 HV0.05

≥520 HV0.05

≥620 HV0.05

Corrosion resistance

Minimum 600 hours in salt spray test
(according to IS09227)

Minimum1000 hours in salt spray test
(according to IS09227)

Minimum1000 hours in salt spray test
(according to IS09227)spray test.

Minimum1000 hours in salt spray test
(according to IS09227)

Minimum1000 hours in salt spray test
(according to IS09227)

Temperature range

-50 - 200º C

-160 - 500º C

-160 - 500º C

-160 - 500º C

-160 - 700º C

Bolt grades

Up to  12.9

Up to A4-80

Up to  A4-80

Up to A4-80

Up toA4-80

Application environment

General steel
applications

General stainless steel applications.
Non chlorine / acid environments

General salt water
applications, pumps,
chloride applications,
heat exchangers, nuclear,
desalination, food
processing & medical
equipment

General acidic
environments, process
and chemical industry,
evaporators, offshore
downhole tooling

Applications with high temperatures, gas turbines, turbo charges, incinerators

Others

special requirements can be customized