DIN / EN · Europe · 1 designation

24MnCr5-5

24MnCr5-5 is a material in the category High-strength steels, held under material number 1.8722. Its recorded composition includes C ≤ 0.22%, Si ≤ 0.8%, Cr ≤ 1.3%, Mn ≤ 1.5% and Mo ≤ 0.5%. No cross-standard equivalents are recorded for this grade yet. Its recorded density is 7.85 g/cm³.

Material no. 1.8722
Category High-strength steels · 128 grades
Designations 1

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About High-strength steels

High-strength steels are steels designed to carry high loads while resisting deformation. They are used for load-bearing structures, vehicles and machinery where strength, durability and reduced material weight are important.

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

Chemical composition

9 elements on file · weight %

What this alloy is

Iron — the balance, never listed by a standard — 95.3 %Mn — 1.5 %Cr — 1.3 %Si — 0.8 %Traces & impurities · 1.1 %

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

Element	% by weight
	≤ 0.22
	≤ 0.8
	≤ 1.5
	0.025
	0.012
	≤ 1.3
	≤ 0.5
	≤ 0.3
	≤ 0.005

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
B	≤0,005	—	0.005	Max
C	≤0,22	—	0.220	Max
Si	≤0,80	—	0.800	Max
P	0,025	0.025	0.025	Exact
S	0,012	0.012	0.012	Exact
Cr	≤1,30	—	1.300	Max
Mn	≤1,50	—	1.500	Max
Cu	≤0,30	—	0.300	Max
Mo	≤0,50	—	0.500	Max

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.

Similar grades — and why

Selection rule, stated so you can disagree with it: same number class 1.8, a shared category, and a published range for Mn / Cr that overlaps this grade’s. These are neighbours in composition space — they are not equivalents, and none is claimed to be interchangeable with this grade.

40MnCrNiMo6-6-61.8735

Mn ≤1,50 · Cr ≤1,50