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Safety: Steel can be a non-combustible material that doesn't release destructive elements regardless if heated. This can make it a safe material to create with.表示形式各種相態所需條件的鐵碳合金相圖,其中粒滴斑鐵為沃斯田鐵與滲碳體的共熔混合物,而α、β及δ為不同種類的铁素体Jay-Cee Revenue & Rive