Cu,P,Cr和Ni对低碳钢耐蚀性的影响

晁月林, 周玉丽, 邸全康, 王立峰, 程四华

Effect of Micro-alloying Elements on Corrosion Resistance of Low Carbon Steels

CHAO Yuelin, ZHOU Yuli, DI Quankang, WANG Lifeng, CHENG Sihua

表2 3种钢在0.01 mol/L NaHSO₃溶液中模拟加速工业大气环境中的腐蚀性能 (周期浸润失重率)

Table 2 Corrosion weight-loss rate of three steels during periodic immersion test in 0.01 mol/L NaHSO₃ solution

No.	Time	Weight before test	Blank sample weight loss	Corrosion weight loss	Corrosion rate	Average corrosion rate
No.	h	g	g	g	g/(m²h)	g/(m²h)
1	72	76.0826	0.0101	0.5255	2.5160	2.4083
		76.6427		0.4597	2.1919
		76.2576		0.5270	2.5169
2	72	76.4427	0.0133	0.4323	2.0626	2.1411
		76.4459		0.4351	2.0726
		76.4468		0.4770	2.2882
3	72	77.5290	0.0182	0.8779	4.1667	4.0492
		77.6723		0.8573	4.0618
		78.2529		0.8333	3.9192