Category Nuances matching steel:

• refined,
• dissimilar,
• exotic,
• metal,
• hard,
• special,
• alloyed,
• cold,

Members for simple category steel:

• armoured_steel,
• stainless,
• inconel,
• sword,
• austenitic_steel,
• hacksaw_blade,
• plain_steel,
• mild_steel,
• silicon_steel,