– go for a better steel Rust never sleeps - Uddeholm

SIZE DELIVERED TO CUSTOMER NO. OF PIECES TOTAL WEIGHT
CHEMICAL COMPOSITION
PREMIUM QUALITY PLASTIC MOULD STEEL
CUSTOMER ORDER NO. DATE
Uddeholm polmax
fOR exTReme sURfaCe finish ReqUiRemenTs
To meet the most extreme demands of the plastic mould
industry, Uddeholm polmax stands out as one of the best
innovations from Uddeholm. it is one of the cleanest mould
steel grades on the market and offers unparalleled polishability.
Uddeholm polmax is specially engineered for cavities, cores
and inserts, as well as a broad range of product applications
that require superior surface finishes. examples include optical,
ultra clean medical applications and Cd/dvd applications.
it also offers excellent corrosion resistance from the most
aggressive attacks. Uddeholm polmax is a high performance
steel grade which achieves surface fi nishes that go well
beyond conventional tool steel.
To make the cleanest steel possible Uddeholm polmax passes
through several separate cleaning stages. The combination of
these processes makes the steel completely unique.
Uddeholm Polmax properties:
- excellent polishability
- Good corrosion resistance
- Good wear resistance
- Good machinability
- Good stability in hardening
Unwanted pits on the polished mould
surface due to inclusions may lead to
information reading errors on a Cd.
UDDEHOLM POLMAX
UddehOlm pOlmax fUlfils The
ReqUiRemenTs fOR pOlishabiliTy
CERTIFICATE NO.
CUSTOMER UDDEHOLM ORDER NO. DATE
MILL ORDER NO.
HEAT NO.
TOTAL WEIGHT SIZE DELIVERED FROM MILL
To ensure Uddeholm Polmax fulfi ls the high demand for
cleanliness required to obtain good polishability, the material
is tested and delivered with a certifi cate. The certifi cate
includes information about heat no., composition and
delivered hardness, but also specifi c information about
inclusion level. The inclusion level is measured according
to the international standard ASTM E45.
Bl 20:0202-08 01/03.08
C Si Mn S Cr V
HB
MICROCLEANLINESS RATING ASTM E45 METHOD A, PLATE I–r
C D
T H
ULTRASONIC INSPECTION
Procedure Acceptance level
mm flat-bottomed hole
DELIVERY CERTIFIED BY:
TEST RESULTS CERTIFIED BY:
REPRESENTATIVE FOR UDDEHOLM
QUALITY CONTROL
UDDE_TestCert_Orvar_Polmax.indd 1 08-03-19 17.07.57
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