CB/T 778-2011 in English

本标准规定了船用柴油机钢锻件的要求、试验、检验规则、标志和质量合格证书。
本标准适用于中、低速船用柴油机碳素结构钢、合金结构钢、不锈钢、耐热钢等锻件的制造和验收。本标准不适用船用柴油机曲轴锻件。

Scope

This standard specifies the requirements, testing, inspection rules, markings and quality certificates for marine diesel engine steel forgings. This standard applies to the manufacturing and acceptance of carbon structural steel, alloy structural steel, stainless steel, heat-resistant steel and other forgings (hereinafter referred to as forgings) for medium and low-speed marine diesel engines. This standard does not apply to the manufacturing and acceptance of marine diesel engine crankshaft forgings.