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| acicular ferrite steel (【技】含碳量低于0.08%的超低碳钢。其显微组织为针状铁素体(低碳贝氏体)或是针状和等晶铁素体的混合。针状铁素体钢具有高强度和良好的低温韧性、焊接性及可锻性，适于作为制造大口径石油和天然气管线用钢。) | |||
| acicular ferrite steel | |||
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