按照国标GB/T 2975-2018的规定沿钢材的纵向切取直径为φ5mm棒状拉伸比例试样 按照国标GB/T 228.3-2019在MTS Landmark 370 50型电液伺服万能材料试验机上进行低温拉伸试验
According to the national standard GB/T 2975-2018, the rod tensile proportional sample with diameter φ5mm is cut lengthways along the steel, and the low temperature tensile test is carried out on MTS Landmark 370 50 electro-hydraulic servo universal material testing machine according to the national standard GB/T 228.3-2019