GOST · Russia / CIS · 5 designations

ПК40Н3Д2Х-6.8

ПК40Н3Д2Х-6.8 is a designation in GOST for the grade also listed as 40Kh3G2MF. We list 5 designations recorded for this grade, in the standards GOST.

Designations 5

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If you came for one of these

The most-used names for this grade.

GOST40Kh3G2MFThis grade’s own name

Also known as

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Withdrawndesignation no longer current — a separate column from the two above, so a name can be same grade and withdrawn at once.

GOSTRussia / CIS · 5

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

Chemical composition

9 elements on file · weight %

What this alloy is

Iron — the balance, never listed by a standard — 92.9 %Cr — 3.6 %Mn — 1.6 %Si — 0.6 %Traces & impurities · 1.4 %

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

Element	% by weight
	0.35–0.45
	0.4–0.7
	1.3–1.8
	≤ 0.035
	≤ 0.035
	3.3–3.8
	0.3–0.5
	≤ 0.4
	0.1–0.2

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	0.35 - 0.45	0.350	0.450	Range
Si	0.4 - 0.7	0.400	0.700	Range
P	max 0.035	—	0.035	Max
S	max 0.035	—	0.035	Max
V	0.1 - 0.2	0.100	0.200	Range
Cr	3.3 - 3.8	3.300	3.800	Range
Mn	1.3 - 1.8	1.300	1.800	Range
Ni	max 0.4	—	0.400	Max
Mo	0.3 - 0.5	0.300	0.500	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

This grade's composition falls outside the published model's validated range (a low-alloy composition window), so no transformation temperature is predicted here.

Physical & mechanical properties

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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