Ayẹwo didara

Brinell líle igbeyewo

Erogba efin itupale

Idanwo onínọmbà kemikali

spectrometer kika taara.

spectrometer kika taara.

Idanwo ẹdọfu iwọn otutu

Idanwo ifarakanra

Idanwo ipata intergranular

Atẹgun, nitrogen ati hydrogen analyzer

spectrometer to ṣee gbe

Idanwo atunse fifẹ

Zeiss metallographic maikirosikopu