【摘要】 研制的“PU-1”低合金高强度抗H2S应力腐蚀钻材新钢种，具有良好的综合力学、抗H2S应力腐蚀和焊接性能，应用于结构构件方面是可行的，且有显著的经济和社会效益。更多还原

【Abstract】 The newly developed "PU-1" high strength low alloyed H2S stress corrosion resistance drilling steel exhibits excellent combined mechnical property,particularly H2S stress corrosion reststance and welding properties. Used for structural elements,it can bring about remarkable economic and social benefits.更多还原