DIN / EN · Europe · 2 designations

PMHS11-2-5-8

PMHS11-2-5-8 is a material in the category High-speed steels, held under material number 1.3253. Its recorded composition includes C 1.55–1.65%, V 4.8–5.2%, Cr 4.5–5.5%, Co 7.6–8.4% and W 10–11%. We list one designation recorded for this grade, in the standard DIN / EN. Its recorded density is 7.85 g/cm³.

Material no. 1.3253
Category High-speed steels · 59 grades
Designations 2

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About High-speed steels

High-speed steels are alloyed tool steels designed to retain hardness and cutting ability when tools heat up during high-speed machining. Their hot hardness and wear resistance make them suitable for cutting tools such as drills, milling cutters, taps and broaches.

This describes the material class as a whole. Always confirm the individual grade against the standard before ordering.

Also known as

2 designations · 1 standards · nothing hidden

This grade’s own namerecorded in our sources as this grade’s own designation under that standard.

Indicativetaken from a published cross-reference table; a close match, not a guarantee of interchangeability. Verify against the mill certificate before ordering.

Withdrawndesignation no longer current — a separate column from the two above, so a name can be same grade and withdrawn at once.

DIN / ENEurope · 2

ASP2052This grade’s own nameWithdrawn
PMHS11-2-5-8This grade’s own name

Every designation on file is listed — no truncation, no “+ n more”. Each one is itself a route that leads back here.

Chemical composition

10 elements on file · weight %

What this alloy is

Iron — the balance, never listed by a standard — 67.3 %W — 10.5 %Co — 8 %Cr — 5 %Traces & impurities · 9.2 %

Logarithmic scale, 0.01 % to 100 % — every value here compares directly, decade by decade.

Element	% by weight
	1.55–1.65
	0.1–0.4
	0.2–0.4
	0.03
	0.03
	4.5–5.5 —
	1.8–2.2
	4.8–5.2
	10–11
	7.6–8.4

0.01 %0.1 %1 %10 %100 %

The scale is logarithmic, not the element’s raw share of the alloy — the only honest way to fit 0.01 % and 100 % in one picture, and it means every value here can be compared with every other.

Element	As publishedsource text, verbatim	Min% by weight	Max% by weight	Bound
C	1,55-1,65	1.550	1.650	Range
Si	0,10-0,40	0.100	0.400	Range
P	0,03	0.030	0.030	Exact
S	0,03	0.030	0.030	Exact
V	4,80-5,20	4.800	5.200	Range
Cr	4,50-5,50	4.500	5.500	Range
Mn	0,20-0,40	0.200	0.400	Range
Co	7,60-8,40	7.600	8.400	Range
Mo	1,80-2,20	1.800	2.200	Range
W	10,0-11,0	10.000	11.000	Range

The published column is the source string byte-for-byte, decimal comma and all; Min and Max are the parsed bounds. Elements not listed have no value on file — they are omitted, never inferred.

Predicted transformation temperatures

Not enough recorded composition to predict a transformation temperature for this grade — missing: Ni.

Physical & mechanical properties

Density7,85g/cm³Exact

An absent property means we hold no value for it — it is left out rather than estimated, interpolated from a neighbouring grade, or filled from a handbook. It does not mean the property is undefined for the material.

Looking for this grade under another name?

Search the catalogue by designation, material number or composition — every name on this page is itself a way in.

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