標(biāo)準(zhǔn)編號:	TB/T 2451-1993
中文名稱:	鑄鋼中非金屬夾雜物金相檢驗(yàn)
英文名稱:	Metallographic Inspection for Non-metallic Inclusion in Cast Steel
中標(biāo)分類:	H24    金相檢驗(yàn)方法
行業(yè)分類:	TB    鐵路運(yùn)輸行業(yè)標(biāo)準(zhǔn)
發(fā)布機(jī)構(gòu):	中國人民共和國鐵道部
發(fā)布日期:	1993-11-11
實(shí)施日期:	1994-7-1
標(biāo)準(zhǔn)狀態(tài):	superseded
被新標(biāo)準(zhǔn)替代:	TB/T 2942.1-2020 機(jī)車車輛用鑄鋼件 第1部分：技術(shù)要求及檢驗(yàn)
被替代日期:	2020-12-1
翻譯語言:	英文
文件格式:	PDF
中文字符數(shù):	12000 字
翻譯價(jià)格(元):	720.0
交付時(shí)間:	付款后 1 個(gè)工作日

1 Subject Content and Scope of Application This standard specifies the technical requirements, test items, grading diagrams, test methods and test rules of metallographic test for nonmetallic inclusions in cast steel. This standard is generally applicable to the metallographic test for nonmetallic inclusions in cast carbon steel and cast low-alloy steel for general engineering purposes. 2 Normative References GB 10561 Steel — Determination of Content of Non-metallic Inclusion — Micrographic Method Using Standard Diagrams 3 Technical Requirements If the requirements of nonmetallic inclusions are specified in product drawing or technical conditions, they shall comply with the requirements of Table 1.

1 Subject Content and Scope of Application 2 Normative References 3 Technical Requirements 4 Test Sample and Test Method 5 Test Rules 6 Test Items and Grading Diagrams Additional Explanations