Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance ?

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Q: 129 (IAS/1996)
Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance ?
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question_subject: 

Science

question_exam: 

IAS

stats: 

0,38,70,26,38,33,11

keywords: 

{'steel': [0, 1, 1, 0], 'aluminium': [1, 0, 3, 2], 'high hardness': [0, 1, 0, 0], 'iron': [0, 0, 1, 1], 'elements': [0, 0, 2, 5], 'tungsten': [0, 0, 0, 2], 'abrasion resistance': [0, 1, 0, 0], 'nickel': [1, 0, 0, 0], 'chromium': [2, 1, 9, 1], 'high temperatures': [0, 2, 1, 2]}