碳钢焊条、低合金钢焊条、不锈钢焊条+产品质量分等+第2部分_低合金钢焊条产品质量分等

《碳钢焊条、低合金钢焊条、不锈钢焊条+产品质量分等+第2部分_低合金钢焊条产品质量分等》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、-------------------------------J33-------------------------------JB/T56102.2－1999碳钢焊条、低合金钢焊条、不锈钢焊条产品质量分等第2部分：低合金钢焊条产品质量分等（内部使用）1999-12-30发布国家机械工业局发布2000-06-01实施-------------------------------JB/T56102.2－1999前言国家标准目次-------------------------------1范围·······

2、·············································································································································································································12引用标准·····················································

3、····················································································································································13技术要求··············································································································

4、···························································································14抽样·········································································································································································

5、·········································115试验方法·······································································································································································································116检验规则··········

6、·····························································································································································································16-------------------------------JB/T56102.2－1999国家标准前言------------------

7、-------------本标准是根据GB/T5118—1995《低合金钢焊条》，对JB/T56102—94《碳钢焊条、低合金钢焊条、不锈钢焊条产品质量分等》中低合金钢焊条部分进行的修订。本标准与JB/T56102—94中低合金钢焊条部分相比，主要技术内容改变如下：——对再引弧间隔时间进行了调整；——取消了工艺性能中发尘量项目。本标准是JB/T56102《碳钢焊条、低合金钢焊条、不锈钢焊条产品质量分等》系列标准中的一部分，该系列标准包括以下三个部分：JB/T56102.1—1999碳钢焊条产品质量分等JB/T56102.2

8、—1999低合金钢焊条产品质量分等JB/T56102.3—1999不锈钢焊条产品质量分等本标准自实施之日起代替JB/T56102—94。本标准由全国焊接标准化技术委员会提出并归口。本标准起草单位：哈尔滨焊接研究所、天津市金桥焊材有限公司。本标准起草人：陈默、储继君、吴振祥、侯永泰。本标准于1980年首次