GOST · Russia / CIS · 6 designations

ЧС33

ЧС33 is a designation in GOST for the grade also listed as 03Kh21N32M3B. We list 6 designations recorded for this grade, in the standards GOST.

Designations 6

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If you came for one of these

The most-used names for this grade.

GOST03Kh21N32M3BThis grade’s own name

Also known as

6 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Withdrawndesignation no longer current — a separate column from the two above, so a name can be same grade and withdrawn at once.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 · 6

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 — 40.3 %Ni — 32.3 %Cr — 21 %Mo — 3.5 %Traces & impurities · 3 %

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

Element	% by weight
	≤ 0.03
	≤ 0.35
	1.3–1.7
	≤ 0.015
	≤ 0.01
	20–22
	3–4
	31.5–33
	0.9–1.2

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	max 0.03	—	0.030	Max
Si	max 0.35	—	0.350	Max
P	max 0.015	—	0.015	Max
S	max 0.01	—	0.010	Max
Cr	20 - 22	20.000	22.000	Range
Mn	1.3 - 1.7	1.300	1.700	Range
Ni	31.5 - 33	31.500	33.000	Range
Nb	0.9 - 1.2	0.900	1.200	Range
Mo	3 - 4	3.000	4.000	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

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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