GB · China · 1 designation

9Cr5NiMoV

9Cr5NiMoV is a grade designated under GB. Its recorded composition includes C 0.82–0.9%, Si 0.5–0.8%, Cr 4.8–5.2%, Mn 0.2–0.5% and Ni 0.3–0.5%. No cross-standard equivalents are recorded for this grade yet. Recorded mechanical properties include HB ≤ 269.

Designations 1

Search Inquiry Datasheet as PDFPrint-ready A4 documentGenerating …Download startedTry again

Chemical composition

9 elements on file · weight %

What this alloy is

Iron — the balance, never listed by a standard — 92.3 %Cr — 5 %C — 0.9 %Si — 0.7 %Traces & impurities · 1.2 %

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

Element	% by weight
	0.82–0.9
	0.5–0.8
	0.2–0.5
	≤ 0.02
	≤ 0.015
	4.8–5.2
	0.2–0.4
	0.3–0.5
	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	0.82-0.9	0.820	0.900	Range
Si	0.5-0.8	0.500	0.800	Range
P	≤0.02	—	0.020	Max
S	≤0.015	—	0.015	Max
V	0.1-0.2	0.100	0.200	Range
Cr	4.8-5.2	4.800	5.200	Range
Mn	0.2-0.5	0.200	0.500	Range
Ni	0.3-0.5	0.300	0.500	Range
Mo	0.2-0.4	0.200	0.400	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.

Properties by condition

0 conditions · 0 values

1 further values are held for this grade under a condition the source did not name — a bound with no quantity attached. They are withheld rather than shown against a guessed condition.

Heat treatment

GB /T 1299-2025

Single operationTest specimen

Quenching930–950 °C
Cooling Air

Supply condition

AnnealingSupply condition

Conditions the standard permits on delivery. No temperature or medium is published for these, so no order and no alternation is implied.

Source: www.caishuku.com

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.

Search Inquiry Datasheet as PDFPrint-ready A4 documentGenerating …Download startedTry again