MRC Global Australia Pty Ltd and MRC SSPF Pty Ltd—WILHELM MAASS ASTM A350 LF2 Class 1 Flanges

PRA number


Published date

Product description

Wilhelm Maass GmbH - Essen plant manufactured ASTM A350 LF2 Class 1 low temperature carbon steel flanges within Heats 317, 966 and 923.

The flanges are used to connect tubular piping.
Identifying features
Each affected flange will have the following identifying numbers: "A340", "LF2", "317,966 or 923", "MAASS mark"

Other identifying numbers

Each affected flange will have the following identifying numbers: "A340", "LF2", "317,966 or 923", "MAASS mark"

What are the defects?

In five (5) instances of product testing, the Flange failed a low temperature fracture toughness test against the requirements of the ASTM A350 standard.

What are the hazards?

If a brittle fracture occurs due to an external stress whilst in use, fluid leakage may occur.

It is noted, however, that any specific hazard is application dependent.

What should consumers do?

Consumers are urged to:

1. quarantine any stocked inventory; and

2. undertake a review of the products as used in current operations and perform a risk assessment as to whether any controls are required to ensure the safety of personnel and plant

MRC will accept return of unused items on behalf of Wilhelm Maass. These items should be returned to the nearest MRC warehouse location in return for a full refund of replacement item

Traders who sold this product

Atlas Specialty Metals Pty Ltd
Balcome Engineering Pty Ltd
Bluescope Distribution Pty Ltd - VIC
Caman Engineering
Prochem Pipeline Products Pty Ltd - QLD
Van Leeuwen
Onesteel Trading

Where the product was sold


Dates available for sale


Responsible regulator

Australian Competition and Consumer Commission is the responsible regulator for this recall.

Product category