ISO 148-1

Charpy Impact Testing

Charpy impact testing measures the energy absorbed by a standardised notched specimen when struck by a swinging pendulum. It characterises a material’s toughness and brittle-to-ductile transition temperature. ISO 148-1 is mandatory for structural steels, pressure vessels, and pipelines operating at low temperatures or in impact-prone environments.

What it measures

  • Absorbed impact energy (KV2, KU2) in joules
  • Lateral expansion
  • Fracture appearance (percentage shear area)
  • Ductile-to-brittle transition temperature (DBTT)
🇧🇪 NBN EN ISO 148-1 🇩🇪 DIN EN ISO 148-1 🇬🇧 BS EN ISO 148-1 🇫🇷 NF EN ISO 148-1 🇮🇹 UNI EN ISO 148-1 🇪🇸 UNE EN ISO 148-1 🇳🇱 NEN EN ISO 148-1 🇧🇪 NBN EN ISO 148-2 🇩🇪 DIN EN ISO 148-2 🇬🇧 BS EN ISO 148-2 🇫🇷 NF EN ISO 148-2 🇮🇹 UNI EN ISO 148-2
204 Accredited labs
5 Countries

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COFRAC 1-6785 Gif Sur Yvette Cedex, FR
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) DIN EN ISO 6892-2 DIN EN ISO 6892-3 ISO 12135 + 3 more
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COFRAC 1-1934 Plesnois, FR
DIN EN ISO 7500-1 ASTM E 10 ASTM E 92 ASTM E 18 ASTM E399 + 3 more
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ENAC LE2404 Sevilla, ES
UNE-EN ISO 6892-1 UNE-EN ISO 6506-1 UNE-EN ISO 6507-1 UNE-EN ISO 7438 UNE-EN ISO 148-1 + 3 more
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ENAC LE688 Madrid, ES
UNE-EN ISO 6892-1 UNE-EN ISO 15630-1 UNE 36068 UNE 36065 UNE 36099 + 3 more
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ENAC LE2151 Sevilla, ES
DIN EN ISO 3745 ISO 3071 ISO 4045 ISO 16321-2 ISO 16321-3 + 3 more
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COFRAC 1-5704 Tomblaine, FR
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) DIN EN ISO 7438 DIN EN 932-2 DIN EN 933-1 + 3 more
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DAkkS D-PL-19907-01-01 Zorneding-Pöring, DE
DIN 75200 DIN EN ISO 5173 DIN EN ISO 18203 DIN EN ISO 6506-1 DIN EN ISO 6507-1 + 3 more
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COFRAC 1-7246 Cherbourg-En-Cotentin, FR
Charpy impact test (ISO 148-1) DIN EN ISO 9016 DIN EN ISO 5178 ISO 11148-1 ISO 5178 + 2 more
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CETIM

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COFRAC 1-7263 Senlis, FR
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) DIN EN ISO 4136 DIN EN ISO 5173 DIN EN ISO 9016 + 3 more
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DAkkS D-PL-19521-01-02 Chemnitz, DE
DIN EN 10160 DIN EN ISO 16810 DIN EN ISO 17638 DIN EN ISO 9934-1 DIN EN ISO 7438 + 3 more
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ENAC LE2277 Beasain, ES
Tensile testing of metallic materials (I ASTM E 112 ASTM A 370 ISO 4967 ASTM E 10 + 3 more
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DAkkS D-PL-11060-02-01 Saarbrücken, DE
Bauart wie GR 1482 DIN EN ISO 9934-1 DIN EN ISO 7438 DIN EN ISO 4136 DIN EN ISO 5173 + 3 more
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DEKRA Incos

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DAkkS D-PL-19221-01-01 Großmehring, DE
DIN EN 10160 DIN EN ISO 16810 DIN EN ISO 13588 DIN EN ISO 17637 DIN EN 13018 + 3 more
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DAkkS D-PL-17438-01-04 Stuttgart, DE
Sound intensity — scanning method (ISO 9 wie GR 1404 Bauart wie GR 1482 > 140 nach Brinell Verfahren 5/250 + 3 more
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DAkkS D-K-22423-01-00 Ettlingen, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO elektronische Waagen − Waagen nichtselbsttätige
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COFRAC 1-6191 Grande Synthe, FR
Charpy impact test (ISO 148-1) DIN EN ISO 7438 DIN EN ISO 6506-1 DIN EN ISO 6507-1 DIN EN ISO 643 + 3 more
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DAkkS D-PL-20878-03-00 Siegen, DE
DIN EN ISO 6506-1 ASTM E8/E 8M ASTM A 370 ASTM E 23 ASTM E 10 + 3 more
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DAkkS D-PL-22933-01-01 Witten, DE
DIN EN ISO 6506-1 DIN EN ISO 643 DIN EN ISO 3887 DIN 50602 DIN EN ISO 6508-1 + 3 more
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DAkkS D-PL-17009-29-02 Langenhagen, DE
Bauart wie GR 1482 > 140 nach Brinell Verfahren 5/250 100 C>T, 124 G>A, 137_138 c.1571T>C rs72549402 + 3 more
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DAkkS D-PL-21475-01-02 Neuss, DE
DIN EN 10160 DIN EN ISO 9934-1 DIN EN ISO 18203 DIN EN ISO 6506-1 DIN EN ISO 6507-1 + 3 more
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DAkkS D-PL-11138-01-01 Issum, DE
DIN EN ISO 18203 DIN EN ISO 6506-1 DIN EN ISO 6507-1 DIN EN ISO 643 DIN EN ISO 945-1 + 3 more
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COFRAC 1-0670 Avoine, FR
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) DIN EN ISO 6892-2 DIN EN ISO 6892-3 ISO 11148-1 + 3 more
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COFRAC 1-5965 Issoudun, FR
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) DIN EN ISO 6506-1 DIN EN ISO 6507-1 DIN EN ISO 6892-2 + 3 more
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ENAC LE1853 Maliaño, ES
nach DIN EN ISO 3650:1999 Laktoseintoleranz, 13910 DIN EN ISO 6887-5 ASTM E 23-18 ASTM E 10-18 + 3 more
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DAkkS D-K-19931-01-01 Fichtenberg, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO elektronische Waagen − Waagen nichtselbsttätige
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Industries

Oil & Gas Offshore Pressure Vessels Structural Steel Pipelines

Related Standards

  • ISO 148-1 Charpy pendulum impact test -- Test method
  • ISO 148-2 Verification of testing machines
  • ASTM E23 Standard Test Methods for Notched Bar Impact Testing

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