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UNE · Spain · 66 designations

A360 C

A360 C is a designation in UNE for the material held under material number 1.0116, also listed as St 37-3 N. It is a material in the category Unalloyed structural steels. We list 66 designations recorded for this grade, in the standards DIN / EN, UNS, AISI / SAE, ASTM, BS, AFNOR, UNE, JIS, GOST, SS, ČSN, PN and SANS.

If you came for one of these

The most-used names for this grade.

About Unalloyed structural steels

Unalloyed structural steels include all low-carbon steels in which the iron companions do not exceed specified minimum values. The yield strength, formability and weldability are the decisive factors for their use. They are soft, pliable, tough and stretchy, but cannot be hardened by heat treatment.

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

Also known as

66 designations · 13 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Withdrawndesignation no longer current — a separate column from the two above, so a name can be same grade and withdrawn at once.

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

Chemical composition

4 elements on file · weight %

What this alloy is

Iron — the balance, never listed by a standard — 98.4 %Mn — 1.4 %C — 0.2 %P — 0 %Traces & impurities · 0 %

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

Element% by weight
≤ 0.17
≤ 1.4
0.035
0.035
CarbonManganesePhosphorusSulfur
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
C≤0,170.170Max
P0,0350.0350.035Exact
S0,0350.0350.035Exact
Mn≤1,401.400Max

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: Si, Ni, Cr, Mo.

Physical & mechanical properties

Density7,85g/cm³Exact
Transformation point Ac1735°CExact
Transformation point Ac3850°CExact · Ac3(Acm)
Transformation point Ar3835°CExact · Ar3(Arcm)
Transformation point Ar1680°CExact
Weldabilityreadily weldableAs published: without limitations.
Flake sensitivitynot susceptibleAs published: not predisposed
Temper brittlenessnot susceptibleAs published: not predisposed

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

4 conditions · 35 values
By thicknessFlat and long productssource steelnumber
ThicknessmmReHN/mm²RmN/mm²
≤ 3360 – 510
3 – 100360 – 510
≤ 16235
16 – 40225
40 – 63215
63 – 80215
80 – 100215
100 – 150195350 – 500
150 – 250340 – 490
150 – 200185
200 – 250175
250 – 400330 – 480
By thicknessno delivery state statedsource steelnumber
ThicknessmmA80% · Lo = 80 mmA% · Lo = 5,65 √So
≤ 117
1 – 1.518
1.5 – 219
2 – 2.520
2.5 – 321
3 – 4026
40 – 6325
63 – 10024
100 – 15022
150 – 25021
By dimensionno delivery state statedsource splav
DimensionmmRmN/mm²ReN/mm²A5%
to 20360 – 46023527
At temperatureno delivery state statedsource splav
Temperature°CDensityg/cm³Elastic modulusGPa
207.85213
100208
200202
300195
400187
500176
600167
700153

Every figure holds only for the condition on its own row. Values are never merged across conditions or across sources, never averaged, and never interpolated between two rows. An em dash means no value on file — never zero. Figures are converted to the unit in the column header; the source’s own wording is kept and shown where the two differ.

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.