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KS · South Korea · 1 designation

STS43

STS43 is a grade designated under KS. Its recorded composition includes C 1–1.1%, Si 0.1–0.3%, V 0.1–0.2%, Cr ≤ 0.2% and Mn 0.1–0.4%. No cross-standard equivalents are recorded for this grade yet.

Chemical composition

7 elements on file · weight %

What this alloy is

Iron — the balance, never listed by a standard — 98.1 %C — 1.1 %Mn — 0.3 %Si — 0.2 %Traces & impurities · 0.4 %

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

Element% by weight
1–1.1
0.1–0.3
0.1–0.4
≤ 0.03
≤ 0.03
≤ 0.2
0.1–0.2
CarbonSiliconManganesePhosphorusSulfurChromiumVanadium
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.

ElementAs publishedsource text, verbatimMin% by weightMax% by weightBound
C1 - 1.11.0001.100Range
Si0.1 - 0.30.1000.300Range
Pmax 0.030.030Max
Smax 0.030.030Max
V0.1 - 0.20.1000.200Range
Crmax 0.20.200Max
Mn0.1 - 0.40.1000.400Range

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, Mo.

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.