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Registers collected 2026-08-22.See collection dates

ASTM E381 Accredited Testing Labs Worldwide

45 accredited laboratories in 8 countries hold ASTM E381 in their ISO/IEC 17025 scope. Primary accreditors include American Association for Laboratory Accreditation, Italian Accreditation Body, Deutsche Akkreditierungsstelle. In the register, ASTM E381 scope entries most often cover Hardness, C, Case Depth in Metal, Steel, Fasteners.

Total labs
45
Countries
8
Top matrix
Metal
8 labs

Available in 8 Countries

United States
21 labs
Italy
16 labs
Germany
3 labs
Netherlands
1 lab
Singapore
1 lab
Mexico
1 lab
China
1 lab
Canada
1 lab

Top matrices for ASTM E381

Top analytes for ASTM E381

  • Hardness (5)
  • C (2)
  • Case Depth (2)
  • Chromium (1)
  • Compressive Strength (1)
  • Depth Of Decarburization (1)
  • Ductility (1)
  • Nitrogen (1)

Sample labs

Apave Italia CPM Srl - Laboratorio Prove Meccaniche
Bienno, IT

ASTM E381-22 Tecnica di prova O&I Esame visivo Metodo di prova Tecnica di prova O&I Resistenza alla compressione/Compressive strength (da 1 kN a 3000 kN) UNI EN 12390-3:2019 _ Componenti meccaniche per impianti nucleari: tubi/Mec

BYTEST s.r.l.
Volpiano, IT

ASTM E381-22 Metodo di prova ASTM E190-21 Tecnica di prova O&I Esame visivo Tecnica di prova O&I _ Denominazione della prova / Campi di prova Metodo di prova Tecnica di prova O&I Prova di corrosione intergranulare in acido solf

Spectrochemical Testing
Struthers, OH, US

ASTM E381 Tensile Yield, Tensile, Reduction of Area, Elongation (Room temperature: 0 - 120,000 lb) ASTM A370, B557, E8/E8M Chemical Spark Atomic Emission Spectrometry – Steel, Stainless Steel, Aluminum and Cast-Iron Alloys

IMR Test Labs - Portland
Portland, OR, US

Test Test Method(s) Physical Testing cont’d Rotating Beam Fatigue ASTM E468; ISO 1143; JIS Z 2274; MPP-008 Stress Rupture ASTM E139, E292 Tensile Elevated Temperature (Up to 2000) ºF ASTM E21 Room Temperature (TS, YS, EL,

Quality Sider Verification
Marcianise, IT

ASTM E381-22 Esame visivo Esame visivo Barre d'acciaio/Steel bars, Billette /Billets Denominazione della prova / Campi di prova Metodo di prova Tecnica di prova O&I Esame macroscopico/Macroscopic examination ASTM A604/A604M-07(2022

Element Broken Arrow
Broken Arrow, OK, US

Test Test Method(s) Metallurgical Testing (cont’d) Flare & Flange Test ASTM A370 (Section A 2.5.1.4, A 2.5.1.5), A450/A450M, A1016A/A1016M Nick Break API 1104 (Section 5.6.3); AWS B4.0 (Section 9.1) Electrical Conductivity ASTM E

Dickson Testing Company
South Gate, CA, US

SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 DICKSON TESTING COMPANY, INC. 11126 Palmer Avenue South Gate, CA 90280 Ronald Arevalo Phone: 562 862 8378 MECHANICAL Valid To: April 30, 2026 Certificate Number: 1772.02

L.P.M. S.N.C. DI MOLINARI VINCENZO E C.
Gragnano Trebbiense, IT

ASTM E381-22 Tecnica di prova O&I Esame visivo Giunti saldati di materiali metallici/Welds of metallics materials Denominazione della prova / Campi di prova Metodo di prova Tecnica di prova O&I Esame macroscopico/Macroscopic examin

Titan Metallurgy, L.L.C.
Oak Park, MI, US

ASTM E381 Case Depth SAE J423 Decarburization ASTM E1077 Cast Iron Micro-Evaluation ASTM A247 Sample Preparation ASTM E3

United Technical
Whitmore Lake, MI, US

SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 UNITED TECHNICAL, INC. d/b/a United Technical Solutions, LLC 1081 E. North Territorial Road Whitmore Lake, MI 48189 Richard Slade Phone: 248 667 9185 rslade@unitedtechllc.com

Element Cleveland
Cleveland, OH, US

Test Test Method(s) Metallography and Micrography of Ferrous and Nonferrous Materials cont’d Carbide Microstructure ASTM B276, B390, B657, B665; SAE J439 Case & Core Hardness ASTM F606/F606M; SAE J78, J429; NASM 1312-6 Case Depth

Element Materials Technology Hamburg
Hamburg, DE

ASTM E381 -22 2022 Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings MH, HH ASTM E407 -07(2015) 2007 Standard Practice for Microetching Metals and Alloys MH, HH ASTM E562 -19 2019 Standar

GLOBAL TEST
Marcon, IT

ASTM E381-22 Tecnica di prova O&I Esame visivo Denominazione della prova / Campi di prova Metodo di prova Tecnica di prova O&I Esame macroscopico/Macroscopic examination UNI EN 12797:2005 par 6 Esame visivo Giunti saldati di mate

Industrial Testing Laboratory Services, a Division of Alba Enterprises
Pittsburgh, PA, US

SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 INDUSTRIAL TESTING LABORATORY SERVICES (A DIVISION OF ALBA ENTERPRISES, LLC) 635 Alpha Drive – RIDC Park Pittsburgh, PA 15238 Steve Lysiak Phone: 412 963 1900 MECHANICAL Vali

IMR Test Labs-Singapore Pte.
Singapore, SG

Test Test Method(s) Metallographic Evaluation Preparation of Specimens ASTM E3 Alpha Case PWA E142 Carburization/Case Depth (Microscope and Microhardness) SAE J423 Decarburization (Microscope and Microhardness) ASTM E1077 Grain

Precision Thermal Processing
Clintonville, WI, US

SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 PRECISION THERMAL PROCESSING 219 Warren Hansen Drive Clintonville, WI 54929 John Bushie 715 823 8650 MECHANICAL Valid To: March 31, 2026 Certificate

WTTI
Allentown, PA, US

SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 WTTI 1144 N. Graham Street Allentown, PA 18109 Tracy Wiswesser Phone: (610) 820 - 9551 tracy@wtti.com http://www.wtti.com MECHANICAL Valid To: March 31, 2027 Certifica

Laboratorio T.O.S.I.
Legnano, IT

ASTM E381-22 Tecnica di prova O&I Esame visivo Denominazione della prova / Campi di prova Metodo di prova Tecnica di prova O&I

Studio Sperimentale Metalsiderurgico SSM
Bolzaneto, IT

ASTM E381-22 Tecnica di prova O&I Esame visivo Denominazione della prova / Campi di prova Metodo di prova Tecnica di prova O&I Controllo con particelle magnetiche per la rilevazione di imperfezioni/Magnetic particle testing for the

GWQ GmbH & Co.KG
Moers, DE

ASTM E381 2022 Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings ASTM A923 2014 Standard Test Methods for Detecting Detrimental Intermetallic Phase in Duplex Austenitic/Ferritic Stainless Steels AS

METAL IMPROVEMENT COMPANY TECHNOLOGY SERVICE (SUZHOU) CO., LTD. – IMR TEST LABS SUZHOU
Suzhou, Jiangsu, CN

Test Test Method(s) Fatigue Crack Growth Rates ASTM E647; GB/T 6398 Rotation bar fatigue (Room Temp and High Temp up to 1100 °C) ISO 1143; GB/T 4337 Metallographic Evaluation Alpha Case ASTM E407 Carburization/Effective Case

Metalinspec Laboratorios, S.A. de
Queretaro, MX

ASTM E381 Determining Volume Fraction by Systematic Manual Point Count ASTM E562 Pitting and Crevice Corrosion Resistance of Stainless Steels and Related Alloys by Use of Ferric Chloride Solution (Method A) ASTM G48 Salt

MEGA-LAB
Albano Sant'Alessandro, IT

ASTM E381-22 Tecnica di prova O&I Esame visivo Denominazione della prova / Campi di prova Metodo di prova Tecnica di prova O&I Esame macroscopico/Macroscopic examination ASME BPVC IX QB 180:2025 Esame visivo Prove di piegamento/B

LABORATORIO PROVE MATERIALI S. MARCO
Schio, IT

ASTM E381-22 Tecnica di prova O&I Esame visivo Denominazione della prova / Campi di prova Metodo di prova Tecnica di prova O&I Classificazione della grafite/Graphite classification UNI EN ISO 945-1:2019 Esame visivo Giunti brasat

Element Materials Technology Rotterdam
BREDA, NL

Normative document: EN ISO/IEC 17025:2017 Registration number: L 063 of Element Materials Technology Rotterdam. B.V. Laboratory This annex is valid from: 22-10-2025 to 01-09-2028 Replaces annex dated: 01-05-2025 Dutch Accr

Element Huntington Beach
Huntington Beach, CA, US

ASTM E381; SAE J123, SAE J1061 Microscopic Examination by Etching AMS 2643; ASTM E407 Microstructure ISO 20160; SOP 60.002 Nitriding SOP 60.702 Oxidation / Corrosion SOP 60.502 Porosity ASTM E1245 Scanning Electron Microscope (SEM) S

Hurst Metallurgical Research
Euless, TX, US

ASTM E381, E340; MIL-STD-867 Etching - Micro ASTM E407 Etch Inspection Rehardening/Overtempering AMS2649 Metallographic Evaluation ASM Handbook, Volume 9, 9th Edition Microstructure - Cast Iron ASTM A247, E2567 Grain Size ASTM E112, E1

Element Materials Technology Gary
Gary, IN, US

Test Test Method(s) Metallographic Evaluation continued Macroetching ASTM E340, E381, A604/A604M Microetching ASTM E407 Depth of Decarburization ASTM E1077; SAE J419 Case Depth SAE J423 Plating Thickness ASTM B487 Corrosion ASTM A262

Materials Technology
Birmingham, AL, US

SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 MATERIALS TECHNOLOGY, INC. 213 Lyon Lane Birmingham, AL 35211 Jessica Fortner Phone: 205 940 9480 MECHANICAL Valid To: March 31, 2026 Certificate Number: 0878.01 In recog

S.M.T. S.r.l.
Pozzo d'Adda, IT

ASTM E381-22 Tecnica di prova O&I Esame visivo Giunti saldati di materiali metallici/Welds of metallics materials Denominazione della prova / Campi di prova Metodo di prova Tecnica di prova O&I Esame macroscopico/Macroscopic examin

Metallurgical Engineering Services
Richardson, TX, US

SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 METALLURGICAL ENGINEERING SERVICES, INC. 845 E. Arapaho Rd Richardson, TX 75081 Daniel Stolk Phone: 972 480 0033 danstolk@metengr.com MECHANICAL Valid To: September 3

Fastenal Company
Winona, MN, US

ASTM E381 Case Depth SAE J423, J78, J81, J933 Decarburization ASTM F835, F835M (2017) , F2328; ISO 898-1, 898-5; SAE J419 Grain Size ASTM E112 (Intercept method) Discontinuities ASTM F788/F788M, F812/F812M, F912; I

QC Metallurgical
Davenport, IA, US

ASTM E381 Microstructure Analysis ASTM E883 Standard Guide for Quantitative Analysis by Energy-Dispersive Spectroscopy (EDS, SEM) ASTM E1508 (Standardless Technique)

Miami Valley Materials Testing Center
Tipp City, OH, US

ASTM E381, A604/A604M Microetching ASTM E407 Reflected Light Photomicrography ASTM E883 Corrosion Resistance (IGA) ASTM A262 (Practice A) Surface Roughness SAE J911 Density: Wet Density ASTM B311 Fasteners: Stress Durability

Parco Scientifico e Tecnologico d'Abruzzo
Chieti, IT

ASTM E381-22 Tecnica di prova O&I Esame visivo Giunti saldati di materiali metallici/Welds of metallics materials Denominazione della prova / Campi di prova Durezza Vickers/Vickers hardness Durezza Vickers/Vickers hardness Esame mac

Industrie-Labor Keuter
Hagen, DE

ASTM E381 2022 Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings ASTM E112 2013 Standard Test Methods for Determining Average Grain Size ASTM E562 2019 Standard Test Method for Determining Vo

AQM SrL
Provaglio D'Iseo, IT

ASTM E381-22 Tecnica di prova O&I Esame visivo Fucinati di acciaio ferritico o martensitico/Ferritic or martensitic steel forgings Denominazione della prova / Campi di prova Metodo di prova Tecnica di prova O&I Controllo con ultras

SGS North America
Phoenix, AZ, US

ASTM E381; ASTM A604 Measurements of plating thickness by Optical Microscope ASTM B487 Micro-Cleanliness Rating ASTM E45 (Method A, C, D, E); ISO 4967 (Method A and B); DIN 50602 (Method M & K); JIS G 0555 Microetching Meta

Quality Control Group
Medolago, IT

ASTM E381-22 Tecnica di prova O&I Esame visivo Giunti brasati/Brazed joints Denominazione della prova / Campi di prova Metodo di prova Tecnica di prova O&I Esame macroscopico/Macroscopic examination Esame macroscopico/Macroscopic

Metcut Research
Cincinnati, OH, US

Structural Testing within the following envelope: STR-100 and customer requirements Load, Strain and / or Displacement control Uniaxial to 27 axis axis-controlled loading Load Capacity Tension: 2 lbs (1000g) to 200,000 lbs (890kN) Lo

Element Materials Technology Canada
Cambridge, ON, CA

ASTM E381 Microetching ASTM E407 Inclusion Content ASTM E45 Microstructure of Cast Iron ASTM A247 Dendrite Arm Spacing SAE ARP 1947 (Only for section 4.4) Density ASTM B962

I-TT LAB SRL
Sumirago, IT

ASTM E381-22 Tecnica di prova O&I Esame visivo Giunti saldati di materiali metallici/Welds of metallics materials Denominazione della prova / Campi di prova Metodo di prova Tecnica di prova O&I Durezza Vickers/Vickers hardness (HV

KAIZEN LAB SRL
Olgiate Olona, IT

ASTM E381-22 Tecnica di prova O&I Esame visivo Giunti saldati di materiali metallici/Welds of metallics materials Denominazione della prova / Campi di prova Durezza Vickers/Vickers hardness Esame macroscopico/Macroscopic examination

Goolsby Testing
Humble, TX, US

ASTM E381; ISO 17639, 15614-1 Portable Hardness Testing* Tele Brinell King tester (3000 kg) ASME BPVC Sect. IX; ASTM A833, E10, E110, A-370 Positive Materials Identification* (XRF)(CR, Mn, Ni, Mo, Al, Cu, Si)

SIGMATRE LAB S.R.L.
Garbagnate Monastero, IT

ASTM E381-22 Tecnica di prova O&I Esame visivo Fucinati di acciaio austenitico/Austenitic steel forgings, Fucinati di acciaio ferritico o martensitico/Ferritic or martensitic steel forgings, Fucinati di acciaio/Steel forgings, Getti di