ISO 1035-3-1980 PDF

Full title and description

ISO 1035-3:1980 — Hot-rolled steel bars — Part 3: Dimensions of flat bars. Specifies preferred sizes, dimensions and tolerances for metric-series hot-rolled steel flat bars; includes a table of preferred and second-preference widths and masses per unit length.

Abstract

This part of ISO 1035 defines the nominal dimensions and tolerance recommendations for hot-rolled steel flat bars in the metric series. It presents preferred widths and associated masses and gives the dimensional limits appropriate for general engineering and industrial use.

General information

• Status: Published — confirmed and currently listed for revision (stage: to be revised / 90.92).
• Publication date: November 1980 (Edition 1, 1980-11).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 77.140.60 (Steel, stainless steel and cast iron products).
• Edition / version: Edition 1 (1980).
• Number of pages: 1 (concise table and normative text).

Scope

ISO 1035-3:1980 covers the metric series of hot-rolled steel flat bars: their nominal widths, recommended preferred and second-preference sizes, associated masses per unit length and the applicable dimensional tolerances. It is intended for general industrial and engineering use where hot-rolled flat bar sections are specified.

Key topics and requirements

• Preferred metric widths for hot-rolled flat bars and second-preference sizes.
• Mass per unit length values associated with each preferred width.
• Dimensional tolerances for width and thickness appropriate to hot-rolled flat bars.
• Application guidance for selection of standard sizes to promote interchangeability and material economy.
• Conformance expectations intended for procurement and specification of flat bar stock.

Typical use and users

Used by steel producers, stockholders/distributors, mechanical and structural engineers, purchasers and quality departments specifying or procuring hot-rolled flat bars for construction, fabrication and general engineering. Also used by standards bodies and laboratories for reference when defining dimensional acceptance criteria.

Related standards

ISO 1035 is a multipart series. Closely related parts include ISO 1035-1:1980 (round bars), ISO 1035-2:1980 (square bars) and ISO 1035-4:1982 (tolerances). A consolidated revision project, ISO/FDIS 1035 (Dimensions, shape, masses and tolerances), has been developed to replace the separate parts.

Keywords

hot-rolled steel, flat bars, dimensions, tolerances, metric series, nominal sizes, preferred sizes, mass per unit length, ISO 1035.

FAQ

Q: What is this standard?

A: ISO 1035-3:1980 is the International Standard that specifies dimensions and tolerances for metric hot-rolled steel flat bars (preferred widths and masses).

Q: What does it cover?

A: It covers nominal widths, preferred and second-preference sizes, masses per unit length and dimensional tolerances for hot-rolled steel flat bars used in general engineering and industrial applications.

Q: Who typically uses it?

A: Steel manufacturers, stockholders, purchasing and design engineers, fabricators and standards committees who need consistent dimensional and mass data for specifying or procuring hot-rolled flat bar stock.

Q: Is it current or superseded?

A: The 1980 edition remains published and was last confirmed in a periodic review; however the standard is listed for revision and a consolidated replacement (ISO/FDIS 1035) has been prepared to supersede the separate parts. Users should check for the outcome of the ISO/FDIS 1035 project when specifying new work.

Q: Is it part of a series?

A: Yes — ISO 1035 is a multipart series covering hot-rolled steel bars: part 1 (round bars), part 2 (square bars), part 3 (flat bars) and part 4 (tolerances). The series is being consolidated under ISO/FDIS 1035.

Q: What are the key keywords?

A: Hot-rolled, flat bar, metric series, dimensions, tolerances, preferred sizes, mass per unit length, steel stock.