JIS · Japan · 2 designations

SBV1B

SBV1B is a grade designated under JIS. Its recorded composition includes C ≤ 0.25%, Si 0.15–0.4%, P ≤ 0.02%, Mn 1.15–1.5% and Mo 0.45–0.6%. We list one designation recorded for this grade, in the standard KS. Recorded mechanical properties include Rm 550–690 N/mm², Re 345 N/mm² and A 15–18%; these figures vary with the delivery condition and dimension.

Designations 2

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If you came for one of these

The most-used names for this grade.

KSSBV1BThis grade’s own name

Also known as

2 designations · 2 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Withdrawndesignation no longer current — a separate column from the two above, so a name can be same grade and withdrawn at once.

JISJapan · 1

SBV1BThis grade’s own name

KSSouth Korea · 1

SBV1BThis grade’s own name

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

Chemical composition

6 elements on file · weight %

What this alloy is

Iron — the balance, never listed by a standard — 97.6 %Mn — 1.3 %Mo — 0.5 %Si — 0.3 %Traces & impurities · 0.3 %

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

Element	% by weight
	≤ 0.25
	0.15–0.4
	1.15–1.5
	≤ 0.02
	≤ 0.02
	0.45–0.6

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 0.25	—	0.250	Max
Si	0.15 - 0.4	0.150	0.400	Range
P	max 0.02	—	0.020	Max
S	max 0.02	—	0.020	Max
Mn	1.15 - 1.5	1.150	1.500	Range
Mo	0.45 - 0.6	0.450	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, Cr.

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

1 conditions · 3 values

By delivery stateno delivery state statedsource steeljis

Delivery state	RmN/mm²	ReN/mm²	A%
Plates	550 – 690	345	15 – 18

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.

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