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ISO 4507:2000 PDF — Sintered ferrous materials, carburized or carbonitrided — Determinati… — GOST Standards

//ISO 4507:2000

ISO 4507:2000

Name: ISO 4507:2000 — Sintered ferrous materials, carburized or carbonitrided — Determination and verification of case-hardening depth by a micro-hardness test
SKU: ISO 4507:2000
Price: 25 EUR
Availability: InStock

Sintered ferrous materials, carburized or carbonitrided — Determination and verification of case-hardening depth by a micro-hardness test

Название (английский):

ISO 4507:2000

Sintered ferrous materials, carburized or carbonitrided — Determination and verification of case-hardening depth by a micro-hardness test

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 6
Дата публикации:: 9 марта 2000 г.
Издание:: ISO IS 4507 edition 2 version 1
ICS:: 77.040.10

Тип поставки:

Full version25 €Ask AI2 €Read online 24h10 €Read online 72h15 €

Язык документа:

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Срок поставки:1 рабочий день

Цена:25 €

Описание (английский):

L'ISO 4507:2000 spécifie des méthodes de détermination de la profondeur de cémentation des matériaux ferreux frittés cémentés ou carbonitrurés par mesurage de la microdureté. Ces méthodes sont adaptées aux matériaux présentant une porosité et s'appliquent uniquement aux matériaux trempés.

Abstract

Overview

Key Topics

Test principle: Vickers micro-indentations are made at increasing depths from the surface and hardness is plotted against distance to determine CHD at a specified hardness (normal reference: 550 HV 0.1).
Methods:
- Method A (graphical): Multiple indentations at standardized depths (examples: 0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 0.75, 1, 1.5, 2, 3 mm). Average hardness values per depth are plotted and the CHD is read where the hardness curve intersects the horizontal line at the specified hardness (HG, typically 550 HV 0.1).
- Method A (modified): When porosity or microstructure prevent standard depth spacing, individual readings may be plotted directly and fitted to determine intersection with HG.
- Method B (rapid control): Two depths are tested (one shallower, one deeper than estimated CHD) with multiple indentations; CHD is derived by graphical interpolation or by a calculation formula provided in the standard.
Apparatus & preparation: Requires a Vickers or Knoop micro-hardness tester capable of HV 0.1 load, accurate diagonal measurement instrumentation, and careful metallographic sectioning and polishing (imbedding/impregnation of porous samples may be used).
Fidelity: Interlaboratory data reported by MPIF indicate repeatability and reproducibility benchmarks (for CHD = 0.75 mm: repeatability ~0.14 mm, reproducibility ~0.47 mm at 95% confidence).

Applications

Incoming inspection and acceptance testing of sintered gears, bushings, and powertrain components after carburizing or carbonitriding
Process control during heat treatment and surface engineering operations
Failure analysis where verification of effective case depth is required

Related Standards

ISO 2639 - Steel - Determination and verification of conventional case depth
ISO 4498 - Metallic materials, sintered - Determination of apparent hardness and microhardness (reference for Vickers/Knoop modes)
MPIF 52 - Report on case hardening effectiveness (interlaboratory study referenced in ISO 4507)

For laboratory reporting, ISO 4507:2000 specifies required test details (method used, HG value, specimen identification, location of test area, results and any deviations), supporting traceable and reproducible CHD verification for quality assurance.