镇静钢是指完全脱氧的钢,即氧的质量分数不超过0.01%(一般常在0.002%~0.003%)。根据冶炼时脱氧程度的不同,钢可分为沸腾钢、半镇静钢、镇静钢和特殊镇静钢。镇静钢通常铸成上大下小带保温帽的锭型,浇铸时钢液镇静不沸腾。由于锭模上部有保温帽(在钢液凝固时作补充钢液用),这节帽头在轧制开坯后需切除,故钢的收缩率低,但组织致密,偏析小,质量均匀。优质钢和合金钢一般都是镇静钢。
... Free-Machining Steel 易切削钢 Full Killed Steel 全镇静钢; 完全镇静钢; 镇静钢 Full Stainless Steel Watch 全钢表 ...
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半镇静钢 [材] Balanced Steel ; [材] Capped Steel ; semi killed steel ; Semirimming Steel
全镇静钢 Dead Steel ; Full Killed Steel ; Quiet Steel
完全镇静钢 Full Killed Steel
特殊镇静钢 TZ ; Special sedation steel
高强度半镇静钢 GLX-W Steel
加铝镇静钢 Alto Steel
镇静钢钢锭 killed ingot ; killed steel ingot
铝镇静钢 aluminium killed steel ; al killed steel
镇静钢冷轧钢板 cold rolling killed steel sheet
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