DIN / EN · Europe · 1 designation

17MnMoCrV3-6

17MnMoCrV3-6 is a material in the category Heat-resistant structural steels, held under material number 1.5405. Its recorded composition includes C 0.15–0.2%, V 0.25–0.45%, Cr 0.35–0.6%, Mn 0.6–0.8% and Mo 0.5–0.6%. No cross-standard equivalents are recorded for this grade yet. Its recorded density is 7.85 g/cm³.

Material no. 1.5405
Category Heat-resistant structural steels · 62 grades
Designations 1

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About Heat-resistant structural steels

Heat-resistant structural steels are structural steels designed to retain useful strength and dimensional stability at elevated temperatures. They are used for load-bearing components in hot-service equipment where mechanical performance must be maintained during heating.

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

Chemical composition

8 elements on file · weight %

What this alloy is

Iron — the balance, never listed by a standard — 97.5 %Mn — 0.7 %Mo — 0.6 %Cr — 0.5 %Traces & impurities · 0.8 %

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

Element	% by weight
	0.15–0.2
	0.15–0.35
	0.6–0.8
	0.025
	0.025
	0.35–0.6
	0.5–0.6
	0.25–0.45 —

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	0,15-0,20	0.150	0.200	Range
Si	0,15-0,35	0.150	0.350	Range
P	0,025	0.025	0.025	Exact
S	0,025	0.025	0.025	Exact
V	0,25-0,45	0.250	0.450	Range
Cr	0,35-0,60	0.350	0.600	Range
Mn	0,60-0,80	0.600	0.800	Range
Mo	0,50-0,60	0.500	0.600	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.

Similar grades — and why

Selection rule, stated so you can disagree with it: same number class 1.5, a shared category, and a published range for Mn / Mo 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.

1.54231.5423

Mn 0,50-0,80 · Mo 0,45-0,65