EN ISO 16859-3:2015 PDF

Metallic materials - Leeb hardness test - Part 3: Calibration of reference test blocks (ISO 16859-3:2015)

Название (английский):

EN ISO 16859-3:2015

Metallic materials - Leeb hardness test - Part 3: Calibration of reference test blocks (ISO 16859-3:2015)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 20
Дата публикации:: 7 октября 2015 г.
Издание:: CEN EN 16859 edition 1 version 1
ICS:: 77.040.10

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Описание (английский):

ISO 16859-3:2015 specifies a method for the calibration of reference test blocks that are used for the indirect verification of Leeb hardness testers according to ISO 16859‑2 and for the periodic checking according to ISO 16859‑1. The procedures necessary to ensure metrological traceability of the calibration machine are also specified.

Технические детали

Технический комитет: ECISS/TC 101 - Test methods for steel (other than chemical analysis)
SKU: EN ISO 16859-3:2015

Abstract

Overview

EN ISO 16859-3:2015 (CEN adoption) defines the method for the calibration of Leeb reference test blocks used in the indirect verification of Leeb hardness testers (per ISO 16859‑2) and for periodic checking (per ISO 16859‑1). The standard also specifies procedures to ensure metrological traceability of the Leeb hardness calibration machine and requirements that support consistent, traceable Leeb hardness measurements on metallic materials.

Key topics and technical requirements

Purpose: Calibration method for specially manufactured reference test blocks used with Leeb impact hardness testing.
Reference block manufacture: Blocks must be free from magnetism, have high surface quality (mean surface roughness Ra ≤ 0.1 µm), and meet flatness and parallelism limits (flatness deviation ≤ 0.01 mm; parallelism ≤ 0.02 mm per 50 mm).
Minimum dimensions/mass (examples from the standard):
- Common impact devices D, DL, D+15, S, E, C: min thickness 33 mm, diameter 85 mm, mass 2.7 kg.
- Impact device G: min thickness 65 mm, diameter 115 mm, mass 6.0 kg.
Calibration machine requirements:
- Resolution equal to or better than 1.0 HL.
- Calibration interval: **

Overview

Key topics and technical requirements

Purpose: Calibration method for specially manufactured reference test blocks used with Leeb impact hardness testing.
Reference block manufacture: Blocks must be free from magnetism, have high surface quality (mean surface roughness Ra ≤ 0.1 µm), and meet flatness and parallelism limits (flatness deviation ≤ 0.01 mm; parallelism ≤ 0.02 mm per 50 mm).
Minimum dimensions/mass (examples from the standard):
- Common impact devices D, DL, D+15, S, E, C: min thickness 33 mm, diameter 85 mm, mass 2.7 kg.
- Impact device G: min thickness 65 mm, diameter 115 mm, mass 6.0 kg.
Calibration machine requirements:
- Resolution equal to or better than 1.0 HL.
- Calibration interval: **

EN ISO 16859-3:2015 PDF

Технические детали

Abstract

Overview

Key topics and technical requirements

Похожие стандарты

Abstract

Overview

Key topics and technical requirements

Похожие стандарты

Metallic materials — Leeb hardness test — Part 3: Calibration of reference test blocks

Metallic materials — Leeb hardness test — Part 2: Verification and calibration of the testing devices

Metallic materials — Leeb hardness test — Part 1: Test method