Xinyu Iron & Steel Group

2017.03.18   2024欧洲杯买球

Xinyu Iron & Steel Group: Steel material Cracking resistance performance (CTOD) test project

CTOD is the relative distance between the two surfaces at the crack tip after the crack body is subjected to the opening load。The size of the CTOD value reflects the ability of the material to resist cracking。In the test, the material to be tested is cracked prefabricated, and then gradually loaded, and the opening displacement at the tip is measured, that is, the CTOD value. The larger the value, the better the cracking resistance of the material, that is, the better the toughness。

The CTOD project provided by Wanyi can not only complete the control measurement of CTOD at normal temperature，The measurement of CTOD at low temperature can also be completed，Fully satisfied: GB/T 21143，ISO 12135，ASTM E1290，BS 7448,As well as JIS, EN and other national and international standards。

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