1.一種鉆進(jìn)鉆桿用合金鋼材料,其特征在于,其化學(xué)成分及質(zhì)量百分比為:碳0.2~0.3%,錳4~6%,銅11~13%,鉻1.3~1.7%,鎳1.3~1.5%,鉬0.44~0.48%,硅0.5~0.7%,釷0.09~0.13%,鉍0.08~0.14%,硫0.04~0.08%,鋯0.05~0.09%,磷0.004~0.006%,鈮和硼共0.06~0.08%,鈮和硼所占質(zhì)量百分比的比例為5~7:1,其余為鐵。
2.根據(jù)權(quán)利要求1所述的合金鋼材料,其特征在于,化學(xué)成分及質(zhì)量百分比為:碳0.25%,錳5%,銅12%,鉻1.5%,鎳1.4%,鉬0.46%,硅0.6%,釷0.11%,鉍0.11%,硫0.06%,鋯0.07%,磷0.005%,鈮和硼共0.07%,鈮和硼所占質(zhì)量百分比的比例為6:1,其余為鐵。
3.根據(jù)權(quán)利要求1所述的合金鋼材料,其特征在于,化學(xué)成分及質(zhì)量百分比為:碳0.2%,錳4%,銅11%,鉻1.3%,鎳1.3%,鉬0.44%,硅0.5%,釷0.09%,鉍0.08%,硫0.04%,鋯0.05%,磷0.004%,鈮和硼共0.06%,鈮和硼所占質(zhì)量百分比的比例為5:1,其余為鐵。
4.根據(jù)權(quán)利要求1所述的合金鋼材料,其特征在于,化學(xué)成分及質(zhì)量百分比為:碳0.3%,錳6%,銅13%,鉻1.7%,鎳1.5%,鉬0.48%,硅0.7%,釷0.13%,鉍0.14%,硫0.08%,鋯0.09%,磷0.006%,鈮和硼共0.08%,鈮和硼所占質(zhì)量百分比的比例為7:1,其余為鐵。