Fine-Grained Categories of steel_alloy:

• lightweight:material,
• noncombustible:material,
• stronger:metal,
• hard:alloy,
• metallic:material,
• flexible:metal,
• harder:material,
• flexible:material,
• precise:material,
• structural:material,
• rigid:material,
• resilient:material,
• basic:material,
• resilient:metal,
• tough:metal,
• lightweight:alloy,
• durable:material,
• metal:alloy,
• standard:material,
• strong:material,

Poetic Qualities of steel_alloy: