普通钢材质量标准(国外英文资料).doc

普通钢材质量标准(国外英文资料) Quality standard for ordinary steels (2008-10-21, 21:45:49) Tags: the impact toughness of steel sample specimens in West Brookfield Delivery status of the product. 8.2.1 if there is no other agreement in order, the product will be supplied in the following conditions: - sheet steel and wide flat steel, delivered in Table 4 - forgings are delivered in a normalized state (N) - all other products are not processed. That is, thermal forming or continuous casting, semi-finished products, status delivery 8.2.2 can be replaced by equal temperature control in hot forming and hot forming instead of normalizing. 8.3 chemical composition 8.3.1 the chemical composition values listed in Table 1 (melting and analysis of finished products). In addition (except for St33, St50-2, St60-2, St70-2 steel), the chemical elements listed in the table are guaranteed not to exceed the maximum value given in Table 1 of European standard 20. 8.3.2 delivery test, inspection, verification, analysis of data must be in order to obtain agreement. However, the above tests are not suitable for St33 and St37-2 steel grades. 8.4 mechanical properties and technological properties 8.4.1 tensile test, impact toughness test and bending test. 8.4.1.1 in accordance with section 9.5.3 tensile test. The impact toughness test carried out in accordance with section 9.5.6 and bending test according to paragraph 9.5.5, shall be in accordance with the requirements of table two, according to section 9.4 of the description of sampling and sample preparation, and deliver the test in the treatment given in section 8.4.1.2. The requirements of table 8.4.1.2 two are guaranteed to be applicable to: Standard sample of semi-finished products, prepared according to 9.4.3.1.2 control. Normalized wire, standard sample or delivery wire. All other products delivered in accordance with section 8.2.1 delivery status. For products subject to general method normalization, the requirements of table two shall not only