DIN / EN · Europe · 16 designations

G-X 165 CrCoMo 12

G-X 165 CrCoMo 12 is a material in the category Others, held under material number 1.2880. We list 15 designations recorded for this grade, in the standards UNS, AISI / SAE, AFNOR, UNE, ISO, GB, GOST and PN. Its recorded composition includes C 1.55–1.75%, Si 0.25–0.4%, Cr 11–12%, Co 1.2–1.4% and Mo 0.5–0.6%. Its recorded density is 7.85 g/cm³.

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About Others

These are miscellaneous metallic alloys that do not fit a more specific material family and may be based on iron, nickel, cobalt, copper or other alloy systems. They are selected for applications requiring particular combinations of strength, hardness, toughness, wear resistance or resistance to demanding service conditions.

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

Also known as

16 designations · 9 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Withdrawndesignation no longer current — a separate column from the two above, so a name can be same grade and withdrawn at once.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 · 1

G-X 165 CrCoMo 12This grade’s own name

UNSUnited States · 1

T30402Indicative

AISI / SAEUnited States · 1

D2Indicative

AFNORFrance · 2

UNESpain · 2

ISOInternational · 2

GBChina · 4

GOSTRussia / CIS · 2

PNPoland · 1

NC11LVIndicative

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

Chemical composition

8 elements on file · weight %

What this alloy is

Iron — the balance, never listed by a standard — 84.3 %Cr — 11.5 %C — 1.7 %Co — 1.3 %Traces & impurities · 1.2 %

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

Element	% by weight
	1.55–1.75 —
	0.25–0.4
	0.2–0.4
	0.035
	0.035
	11–12
	0.5–0.6
	1.2–1.4

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	1,55-1,75	1.550	1.750	Range
Si	0,25-0,40	0.250	0.400	Range
P	0,035	0.035	0.035	Exact
S	0,035	0.035	0.035	Exact
Cr	11,0-12,0	11.000	12.000	Range
Mn	0,20-0,40	0.200	0.400	Range
Co	1,20-1,40	1.200	1.400	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.

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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