ISO 9177-3:2022

Mechanical pencils for technical drawings — Part 3: Black leads — Bending strengths of HB leads

Publication date: Jan 26, 2022

General information

Current stage: 60.60 Effective date: Jan 26, 2022

Originator: ISO

Owner: ISO/TC 10

Type: International Standard

ICS: 01.100.40 97.180

Languages: English

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Status: Published

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Scope

This document specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.

Life cycle

PREVIOUSLY

Revises
ISO 9177-3:1994

NOW

PUBLISHED
ISO 9177-3:2022
60.60 Standard published
Jan 26, 2022

National adoptions

prSSH ISO 9177-3:2022

DPS

Mechanical pencils for technical drawings — Part 3: Black leads — Bending strengths of HB leads

40.60 Close of voting

DPS/KT 304 more

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