EN ISO 4545-4:2005

Metallic materials - Knoop hardness test - Part 4: Table of hardness values (ISO 4545-4:2005)

ISO 4545-4:2005 gives a table for the calculation of Knoop hardness values for use in tests made on flat surfaces carried out in accordance with ISO 4545-1.

Metallische Werkstoffe - Härteprüfung nach Knoop - Teil 4: Tabelle zur Bestimmung der Härtewerte (ISO 4545-4:2005)

Dieser Teil der ISO 4545 enthält eine Tabelle für die Berechnung der Werte der Knoophärte zur Anwendung bei Prüfungen an ebenen Oberflächen nach ISO 4545 1.

Matériaux métalliques - Essai de dureté Knoop - Partie 4: Tableau des valeurs de dureté (ISO 4545-4:2005)

L'ISO 4545-4:2005 donne un tableau pour le calcul des valeurs de dureté Knoop pour utilisation dans le cas d'essais réalisés sur des surfaces planes conformément à l'ISO 4545-1.

Kovinski materiali – Preskus trdote po Knoopu – 4. del: Tabela za določanje trdote (ISO 4545-4:2005)

General Information

• Status: Withdrawn
• Publication Date: 14-Nov-2005
• Withdrawal Date: 06-Feb-2018
• ICS: 77.040.10 - Mechanical testing of metals
• Technical Committee: ECISS/TC 101 - Test methods for steel (other than chemical analysis)
• Drafting Committee: ECISS/TC 1 - Steel - Mechanical testing
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Completion Date: 07-Feb-2018
• Ref Project: SIST EN ISO 4545-4:2006 - Metallic materials - Knoop hardness test - Part 4: Table of hardness values (ISO 4545-4:2005)

Relations

• Replaced By: EN ISO 4545-4:2018 - Metallic materials - Knoop hardness test - Part 4: Table of hardness values (ISO 4545-4:2017)
• Effective Date: 14-Feb-2018

Standards Content (Sample)

SLOVENSKI STANDARD
01-marec-2006
.RYLQVNLPDWHULDOL±3UHVNXVWUGRWHSR.QRRSX±GHO7DEHOD]DGRORþDQMHWUGRWH
,62
Metallic materials - Knoop hardness test - Part 4: Table of hardness values (ISO 4545-
4:2005)
Metallische Werkstoffe - Härteprüfung nach Knoop - Teil 4: Tabelle zur Bestimmung der
Härtewerte (ISO 4545-4:2005)
Matériaux métalliques - Essai de dureté Knoop - Partie 4: Tableau des valeurs de dureté
(ISO 4545-4:2005)
Ta slovenski standard je istoveten z: EN ISO 4545-4:2005
ICS:
77.040.10 Mehansko preskušanje kovin Mechanical testing of metals
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN ISO 4545-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2005
ICS 77.040.10
English Version
Metallic materials - Knoop hardness test - Part 4: Table of
hardness values (ISO 4545-4:2005)
Matériaux métalliques - Essai de dureté Knoop - Partie 4: Metallische Werkstoffe - Härteprüfung nach Knoop - Teil 4:
Tableau des valeurs de dureté (ISO 4545-4:2005) Tabelle zur Bestimmung der Härtewerte (ISO 4545-4:2005)
This European Standard was approved by CEN on 28 October 2005.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the Central Secretariat or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 4545-4:2005: E
worldwide for CEN national Members.

Foreword
This document (EN ISO 4545-4:2005) has been prepared by Technical Committee ISO/TC 164
"Mechanical testing of metals" in collaboration with Technical Committee ECISS/TC 1 "Steel -
Mechanical testing", the secretariat of which is held by AFNOR.

This European Standard shall be given the status of a national standard, either by publication of
an identical text or by endorsement, at the latest by May 2006, and conflicting national standards
shall be withdrawn at the latest by May 2006.

According to the CEN/CENELEC Internal Regulations, the national standards organizations of
the following countries are bound to implement this European Standard: Austria, Belgium,
Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,
Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

Endorsement notice
The text of ISO 4545-4:2005 has been approved by CEN as EN ISO 4545-4:2005 without any
modifications.
INTERNATIONAL ISO
STANDARD 4545-4
First edition
2005-11-15
Metallic materials — Knoop hardness
test —
Part 4:
Table of hardness values
Matériaux métalliques — Essai de dureté Knoop —
Partie 4: Tableau des valeurs de dureté

Reference number
ISO 4545-4:2005(E)
©
ISO 2005
ISO 4545-4:2005(E)
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ii © ISO 2005 – All rights reserved

ISO 4545-4:2005(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 4545-4 was prepared by Technical Committee ISO/TC 164, Mechanical hardness testing, Subcommittee
SC 3, Hardness testing.
ISO 4545-4 cancels and replaces ISO 10250:1994, which has been technically revised.
ISO 4545 consists of the following parts, under the general title Metallic materials — Knoop hardness test:
— Part 1: Test method
— Part 2: Verification and calibration of testing machines
— Part 3: Calibration of reference blocks
— Part 4: Table of hardness values

INTERNATIONAL STANDARD ISO 4545-4:2005(E)

Metallic materials — Knoop hardness test —
Part 4:
Table of hardness values
1 Scope
This part of ISO 4545 gives a table for the calculation of Knoop hardness values for use in tests made on flat
surfaces carried out in accordance with ISO 4545-1.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 4545-1, Metallic materials — Knoop hardness test — Part 1: Test method
ISO 4545-2, Metallic materials — Knoop hardness test — Part 2: Verification and calibration of testing
machines
3 Calculation
The Knoop hardness values in Table 1 have been calculated from the formula
Test force
HK=×Gravitational constant
Projected area of indentation
F FF
=×0,102 = 0,102× = 1,451× (1)
22 2
cd 0,070 28d d
where
HK is the Knoop hardness;
F is the test force, in newtons;
d is the length in millimetres, of the long diagonal of the indentation;
β
⎡ ⎤
tan
⎢ ⎥
c is an indenter constant which equals , ideally c = 0,070 28;
⎢ ⎥
α
⎢ ⎥
2tan
⎢ ⎥
⎣ 2⎦
where α and β are the angles between the opposite edges at the vertex of the diamond pyramid, as
defined in ISO 4545-2.
ISO 4545-4:2005(E)
NOTE Gravitational constant = =≈ 0,102
g 9,806 65
n
where g is the acceleration due to gravity.
n
Table 1 covers a range of indentation diagonals d between 0,020 mm and 0,200 0 mm.
2 © ISO 2005 – All rights reserved

ISO 4545-4:2005(E)
Table 1
Test force
N
Indentation
diagonal
0,098 07 0,196 1 0,245 2 0,490 3 0,980 7 1,961 2 2,942 0 4,903 9,807
d
Knoop hardness
mm
HK HK HK HK HK HK HK HK HK
0,01 0,02 0,025 0,05 0,1 0,2 0,3 0,5 1
0,020 0 355,8 711,3 889,5 1 779 — — — — —
0,020 2 348,7 697,2 872,0 1 743 — — — — —
0,020 4 341,9 683,6 855,0 1 709 — — — — —
0,020 6 335,3 670,4 838,4 1 676 — — — — —
0,020 8 328,9 657,6 822,4 1 644 — — — — —

0,021 0 322,7 645,1 806,8 1 613 — — — — —
0,021 2 316,6 633,0 791,7 1 583 — — — — —
0,021 4 310,7 621,2 776,9 1 553 — — — — —
0,021 6 305,0 609,8 762,6 1 525 — — — — —
0,021 8 299,4 598,6 748,7 1 497 2 994 — — — —

0,022 0 294,0 587,8 735,1 1 470 2 940 — — — —
0,022 2 288,7 577,3 721,9 1 443 2 887 — — — —
0,022 4 283,6 567,0 709,1 1 418 2 836 — — — —
0,022 6 278,6 557,0 696,6 1 393 2 786 — — — —
0,022 8 273,7 547,3 684,4 1 368 2 737 — — — —

0,023 0 269,0 537,8 672,6 1 345 2 690 — — — —
0,023 2 264,4 528,6 661,0 1 322 2 644 — — — —
0,023 4 259,9 519,6 649,8 1 299 2 599 — — — —
0,023 6 255,5 510,8 638,8 1 277 2 555 — — — —
0,023 8 251,2 502,3 628,1 1 256 2 512 — — — —

0,024 0 247,0 493,9 617,7 1 235 2 470 — — — —
0,024 2 243,0 485,8 607,5 1 215 2 430 — — — —
0,024 4 239,0 477,9 597,6 1 195 2 390 — — — —
0,024 6 235,1 470,1 587,9 1 176 2 351 — — — —
0,024 8 231,4 462,6 578,5 1 157 2 314 — — — —

0,025 0 227,7 455,2 569,3 1 138 2 277 — — — —
0,025 2 224,1 448,0 560,3 1 120 2 241 — — — —
0,025 4 220,6 441,0 551,5 1 103 2 206 — — — —
0,025 6 217,1 434,1 542,9 1 086 2 171 — — — —
0,025 8 213,8 427,4 534,5 1 069 2 138 — — — —

0,026 0 210,5 420,9 526,3 1 052 2 105 — — — —
0,026 2 207,3 414,5 518,3 1 036 2 073 — — — —
0,026 4 204,2 408,2 510,5 1 021 2 042 — — — —
0,026 6 201,1 402,1 502,9 1 005 2 011 — — — —
0,026 8 198,1 396,1 495,4 990,5 1 981 — — — —

0,027 0 195,2 390,3 488,1 975,9 1 952 — — — —
0,027 2 192,3 384,5 480,9 961,6 1 923 — — — —
0,027 4 189,5 378,9 473,9 947,6 1 895 — — — —
0,027 6 186,8 373,5 467,1 933,9 1 868 — — — —
0,027 8 184,1 368,1 460,4 920,5 1 841 — — — —

0,028 0 181,5 362,9 453,8 907,4 1 815 — — — —
0,028 2 178,9 357,8 447,4 894,6 1 789 — — — —
0,028 4 176,4 352,7 441,1 882,0 1 764 — — — —
0,028 6 174,0 347,8 435,0 869,7 1 740 — — — —
0,028 8 171,6 343,0 429,0 857,7 1 716 — — — —

ISO 4545-4:2005(E)
Table 1 (continued)
Test force
N
Indentation
diagonal
0,098 07 0,196 1 0,245 2 0,490 3 0,980 7 1,961 2 2,942 0 4,903 9,807
d
Knoop hardness
mm
HK HK HK HK HK HK HK HK HK
0,01 0,02 0,025 0,05 0,1 0,2 0,3 0,5 1
0,029 0 169,2 338,3 423,1 845,9 1 692 — — — —
0,029 2 166,9 333,7 417,3 834,3 1 669 — — — —
0,029 4 164,6 329,1 411,6 823,0 1 646 — — — —
0,029 6 162,4 324,7 406,1 812,0 1 624 — — — —
0,029 8 160,2 320,4 400,7 801,1 1 602 — — — —

0,030 0 158,1 316,1 395,3 790,4 1 581 — — — —
0,030 2 156,0 311,9 390,1 780,0 1 560 — — — —
0,030 4 154,0 307,8 385,0 769,8 1 540 — — — —
0,030 6 152,0 303,8 380,0 759,8 1 520 — — — —
0,030 8 150,0 299,9 375,1 749,9 1 500 2 999 — — —

0,031 0 148,1 296,0 370,2 740,3 1 481 2 960 — — —
0,031 2 146,2 292,3 365,5 730,8 1 462 2 923 — — —
0,031 4 144,3 288,6 360,9 721,5 1 443 2 886 — — —
0,031 6 142,5 284,9 356,3 712,4 1 425 2 849 — — —
0,031 8 140,7 281,3 351,8 703,5 1 407 2 813 — — —

0,032 0 139,0 277,8 347,5 694,7 1 390 2 778 — — —
0,032 2 137,2 274,4 343,2 686,1 1 372 2 744 — — —
0,032 4 135,6 271,0 338,9 677,7 1 356 2 710 — — —
0,032 6 133,9 267,7 334,8 669,4 1 339 2 677 — — —
0,032 8 132,3 264,4 330,7 661,3 1 323 2 644 — — —

0,033 0 130,7 261,2 326,7 653,3 1 307 2 612 — — —
0,033 2 129,1 258,1 322,8 645,4 1 291 2 581 — — —
0,033 4 127,6 255,0 318,9 637,7 1 276 2 550 — — —
0,033 6 126,0 252,0 315,2 630,1 1 260 2 520 — — —
0,033 8 124,6 249,0 311,4 622,7 1 246 2 490 — — —

0,034 0 123,1 246,1 307,8 615,4 1 231 2 461 — — —
0,034 2 121,7 243,2 304,2 608,2 1 217 2 432 — — —
0,034 4 120,3 240,4 300,7 601,2 1 203 2 404 — — —
0,034 6 118,9 237,6 297,2 594,2 1 189 2 376 — — —
0,034 8 117,5 234,9 293,8 587,4 1 175 2 349 — — —

0,035 0 116,2 232,2 290,4 580,7 1 162 2 322 — — —
0,035 2 114,8 229,6 287,2 574,2 1 148 2 296 — — —
0,035 4 113,6 227,0 283,9 567,7 1 136 2 270 — — —
0,035 6 112,3 224,5 280,7 561,3 1 123 2 245 — — —
0,035 8 111,0 222,0 277,6 555,1 1 110 2 220 — — —

0,036 0 109,8 219,5 274,5 548,9 1 098 2 195 — — —
0,036 2 108,6 217,1 271,5 542,9 1 086 2 171 — — —
0,036 4 107,4 214,7 268,5 536,9 1 074 2 147 — — —
0,036 6 106,2 212,4 265,6 531,1 1 062 2 124 — — —
0,036 8 105,1 210,1 262,7 525,3 1 051 2 101 — — —

0,037 0 103,9 207,8 259,9 519,6 1 039 2 078 — — —
0,037 2 102,8 205,6 257,1 514,1 1 028 2 056 — — —
0,037 4 101,7 203,4 254,4 508,6 1 017 2 034 — — —
0,037 6 100,7 201,2 251,7 503,2 1 007 2 012 — — —
0,037 8 99,59 199,1 249,0 497,9 995,9 1 991 2 988 — —

4 © ISO 2005 – All rights reserved

ISO 4545-4:2005(E)
Table 1 (continued)
Test force
N
Indentation
diagonal
0,098 07 0,196 1 0
...