Last updated 25th April 2024

ASTM A726 Standard Specification for Cold-Rolled Magnetic Lamination Quality Steel, Semi-processed Types

Cold-rolled carbon sheet steel for magnetic applications is covered by ASTM A726. These goods, often known as "cold-rolled magnetic lamination steel" (CRML), are typically used in stamped lamination or assembled core structure applications for electrical equipment, where annealing is done to produce the required core loss and permeability properties. magnetic characteristics for each kind can be maximized by utilizing suitable lamination annealing techniques. This steel is mostly meant for commercial power frequency (50- and 60-Hz) applications in magnetic devices, and it is made to maximum particular core-loss values.

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Introduction to ASTM A726

The term “cold-rolled magnetic lamination steel” (CRML) refers to cold-rolled carbon sheet steel that is used in magnetic applications. Stamped lamination or constructed core structures for electrical equipment are the main uses for CRML. In these applications, annealing techniques are used to obtain the required permeability and core loss characteristics. MaTestLab is one of the best testing service providers, with the best network of testing laboratories in the USA to carry out ASTM A726 tests for our clients. It is possible to maximize each type of steel’s magnetic properties by using appropriate lamination annealing processes. This steel is mainly meant to be used in magnetic devices that are meant to satisfy certain core-loss value requirements in commercial power frequency (50- and 60-Hz) applications.

ASTM A726 Test Method

Preparation of the SpecimensTest specimens are made by cutting lengths from one or both ends of a coil, with half of the specimen cut perpendicular to the required rolling direction and the other half parallel.
AnnealingThe test specimens are set to anneal in a decarburizing environment.

ASTM A726 Test Specimens 

Specimen DetailCold-rolled carbon sheet steel used in magnetic applications is covered by this specification.
Specimen SizeHardness levels for the annealed and temper-rolled conditions of the mill process usually vary from Rockwell 45 to 85 HRB.

ASTM A726 Test Result

This specification, which is often referred to as “cold-rolled magnetic lamination steel” (CRML), describes the usage of cold-rolled carbon sheet steel that has been specially engineered for magnetic applications. Typically, annealing is used to obtain the appropriate core loss and permeability characteristics in stamped laminations or constructed core structures for electrical equipment.

ASTM A726 Related TestsASTM A726 is related to tests including ASTM A34 for magnetic material testing, ASTM A340 for magnetic material related terms, and ASTM A370 for steel products testing.

FAQ's

Where can I get the astm a726 tested?

You can share your astm a726 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm a726 test to various testing techniques.

How much do I need to pay for the astm a726 test?

Please contact us for a detailed quote for your astm a726 testing needs. Cost incurred to carry out different astm a726 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.

How many samples are required for astm a726?

The required number of samples or specimens should comply with the procedure given in the astm a726 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.

How much discount can I get on the astm a726 test?

MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.

How many days will it take to complete the astm a726 test?

The turnaround time for astm a726 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.

Where can I get the astm a726 tested?

You can share your astm a726 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm a726 test to various testing techniques.

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