Intergranular corrosion is an efficient test for screening a material’s corrosion resistance under certain conditions. Using a variety of methods, including ASTM A262, we can provide critical data about corrosion resistance, detecting issues before they become catastrophes.

Intergranular corrosion refers to material degradation that occurs along the grain boundaries of metallic materials after exposure to environmental stress, such as extreme temperatures (a process called sensitization). While the damage may not be immediately visible, intergranular corrosion can cause loss of strength and integrity in a material, resulting in defects or critical failures. Testing can also reveal errors in the heat treating process, and highlight any areas where updates are needed.

Testing for Intergranular Corrosion

We test a range of metallic materials for intergranular corrosion, including stainless steel and aluminum, and alloys such niobium and chromium. Our experts have years of experience working with metallic materials and can assist in choosing the most appropriate method for testing. With proven expertise in corrosion testing, failure analysis and material properties testing across industries, we are the partner of choice for your intergranular corrosion testing program. 

Metallurgical and Corrosion Resistance Services

Our labs are also able to offer complementary metallurgical test methods, including:

SEM/EDS 

Visual Inspection 

Failure Analysis 

Fractography

Corrosion Testing

Hardness Testing 

Pitting and Crevice Corrosion

Carburization

Etching

For more information about our Intergranular corrosion testing services, or to request a quote, contact us today.

intergranular corrosion testing services

Materials We Commonly Test

Metals including:

  • Stainless steel
  • Aluminium

Alloys including:

  • Niobium
  • Chromium
 
ASTM A262 640 x 480 May 2018
intergranular corrosion testing services

ASTM A262 Testing

We provide intergranular corrosion testing to most major methods listed in ASTM A262, including the Oxalic acid test (ASTM A262 Practice A),Streicher test (ASTM A262 Practice B), Huey test (ASTM A262 Practice C), Strauss test (ASTM A262 Practice E) and copper sulfate test (ASTM A262 Practice F).

intergranular corrosion testing services

Standards We Test To

American Society of Testing and Materials

ASTM A262, ASTM A763, ASTM A923, ASTM G110, ASTM G28, ASTM G36, ASTM G48

British Standards

BS 970, BS 3146, BS EN 10293

Deutsches Institut fur Normung

DIN EN ISO 3651, DIN 50915

International Standards Organization

ISO 3651

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