第3期 李明等：16M血(HⅢC)钢硫化物应力腐蚀开裂实验研究 .287. 参考文献 1989,45(6):517 [】王勇，冯大碧，张力，等.管道硫化氢应力腐蚀破裂的原因分 [6]刘生，张一任，李静.夹杂物对16MnR钢板抗氢致开裂的影 析.油气储运，2004,23(12)：46 响.压力容器，2001,18(2)：20 [2]张星，李兆敏，马新忠，等。深井油管HS应力腐蚀实验研究 [7]蒲海山，王洪刚.热处理和金相组织对抗HS应力腐蚀钻材、 石油勘探与开发，2004,31(6)：95 输油气管用钢性能的影响.金属热处理，1998(4)：3 [3]于广华，程以环，乔利杰，等.C90油管钢的氢损伤·金属学报， [8]褚武扬，乔利杰，陈奇志，等。断裂与环境断裂。北京：科学出 1996,32(6):617 版社，2000：84 [4]张志强，范春玲，孙金风，等.16Mn(HlC)钢的冶炼.大型铸锻 [9]李明，陈华，李晓刚。低碳钢及焊缝硝酸盐露点腐蚀开裂研究 件，2004,2,18 腐蚀科学与防护技术，2003,15(5)：259 [5]Asahi H.Sogo Y.Ueno M.et al.Metallurgical factors control- [10]李明，李晓刚，陈华.金属在湿HS环境中腐蚀行为和机理研 ling SSC resistance of high-strength,low-ally steels.Corros Sci. 究概述.腐蚀科学与防护技术，2005,17(2)：107 Experimental investigation on sulfide stress corrosion cracking of 16Mn hydrogen- induced cracking resistance steel LI Ming),LI Xiaogang),CHEN Gang2),LIU Zhiyong 1)Materials Science and Engineering School.University of Science and Technology Beijing Beijing 100083.China 2)China Special Equipment Inspection and Research Center,Beijing 100013,China ABSTRACI Constant strain bend and slow strain rate tests (SSRT)were used to investigate the resistance to sulfide stress corrosion cracking (SSCC)of 16Mn and 16Mn hydrogen-induced cracking (HIC)resistance steels and their welded seams in acid solutions with saturated hydrogen sulfide gas.The results show that all of sam- ples are sensitive to SSCC in the acidic solutions with H2S.The mechanism of cracking is HIC and most cracks are transgranular type.The resistance to SSCC of 16Mn(HIC)steel with low content elements C,Mn,P and S is better than that of 16Mn steel.Otherwise,the welded seams have less resistance to SSCC than their matrix because of big crystals,inclusions,vacancies and defects produced in the process of welding,but the work of post welding heat treatment(PWHT)can increase the resistance of their welded seams. KEY WORDS 16Mn steel:sulfide stress corrosion cracking:welded seams;hydrogen-induced cracking;heat treatment参 考 文 献 ［1］ 王勇‚冯大碧‚张力‚等．管道硫化氢应力腐蚀破裂的原因分 析．油气储运‚2004‚23（12）：46 ［2］ 张星‚李兆敏‚马新忠‚等．深井油管 H2S 应力腐蚀实验研究． 石油勘探与开发‚2004‚31（6）：95 ［3］ 于广华‚程以环‚乔利杰‚等．C90油管钢的氢损伤．金属学报‚ 1996‚32（6）：617 ［4］ 张志强‚范春玲‚孙金凤‚等．16Mn（HIC）钢的冶炼．大型铸锻 件‚2004‚2：18 ［5］ Asahi H‚Sogo Y‚Ueno M‚et al．Metallurgical factors control￾ling SSC resistance of high-strength‚low-ally steels．Corros Sci‚ 1989‚45（6）：517 ［6］ 刘生‚张一任‚李静．夹杂物对16MnR 钢板抗氢致开裂的影 响．压力容器‚2001‚18（2）：20 ［7］ 蒲海山‚王洪刚．热处理和金相组织对抗 H2S 应力腐蚀钻材、 输油气管用钢性能的影响．金属热处理‚1998（4）：3 ［8］ 褚武扬‚乔利杰‚陈奇志‚等．断裂与环境断裂．北京：科学出 版社‚2000：84 ［9］ 李明‚陈华‚李晓刚．低碳钢及焊缝硝酸盐露点腐蚀开裂研究． 腐蚀科学与防护技术‚2003‚15（5）：259 ［10］ 李明‚李晓刚‚陈华．金属在湿 H2S 环境中腐蚀行为和机理研 究概述．腐蚀科学与防护技术‚2005‚17（2）：107 Experimental investigation on sulfide stress corrosion cracking of 16Mn hydrogen￾induced cracking resistance steel LI Ming 1‚2）‚LI Xiaogang 1）‚CHEN Gang 2）‚LIU Zhiyong 1） 1） Materials Science and Engineering School‚University of Science and Technology Beijing‚Beijing100083‚China 2） China Special Equipment Inspection and Research Center‚Beijing100013‚China ABSTRACT Constant strain bend and slow strain rate tests （SSRT） were used to investigate the resistance to sulfide stress corrosion cracking （SSCC） of 16Mn and16Mn hydrogen-induced cracking （HIC） resistance steels and their welded seams in acid solutions with saturated hydrogen sulfide gas．The results show that all of sam￾ples are sensitive to SSCC in the acidic solutions with H2S．The mechanism of cracking is HIC and most cracks are transgranular type．The resistance to SSCC of16Mn（HIC） steel with low content elements C‚Mn‚P and S is better than that of 16Mn steel．Otherwise‚the welded seams have less resistance to SSCC than their matrix because of big crystals‚inclusions‚vacancies and defects produced in the process of welding‚but the work of post welding heat treatment （PWHT） can increase the resistance of their welded seams． KEY WORDS 16Mn steel；sulfide stress corrosion cracking；welded seams；hydrogen-induced cracking；heat treatment 第3期 李 明等：16Mn（HIC）钢硫化物应力腐蚀开裂实验研究 ·287·