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1、質量證明的審查：鋼廠交貨一定根據用戶的要求按合同約定的規范交貨并提供原始質量證明書。證明書中，必須具備以下內容：
1, the quality of the review: steel delivery must be based on the user's requirements in accordance with the contract agreed to the standard delivery and provide the original quality certificate. A certificate must have the following:
1）規范要求；
1) specification requirements;
2）質量記錄編號及證明證號；
2) quality record number and certificate number;
3）爐批號，技術等級；
3) batch number, technical level;
4）化學成分和力學性能
4) chemical composition and mechanical properties
；5）船級社認可證明及驗船師簽字。

5) the certificate of classification society and the surveyor's signature.
2、實物審查：船用鋼材的交貨，實物物體上應有生產廠標志等。具體有：
2, physical examination: delivery of marine steel, physical objects should have a production plant marks, etc.. Specific there:
1）船級社認可標志；
1) classification society approval mark;
2）采用油漆框出或粘貼標記，包括技術參數如：爐批號、規范標準等級、長寬尺寸等；
2) using paint frame or paste marks, including technical parameters, such as: the number of the furnace, the standard level, length and width, etc.;
3）外觀光潔平順，無缺陷。
3) smooth appearance, no defects.
熱處理：熱軋，正火，控軋，退火，回火＋正火，調質。 濟南永亞鋼鐵貿易有限公司濟鋼代理商提供技術支持，更多精彩內容請進入：http://www.ctmpfsc.com，我們會傾情為您解答。
Heat treatment: hot rolling, rolling, annealing, quenching, tempering and normalizing, quenching and tempering. Provide technical support to Ji'nan YONGYA steel trade Co., Jinan agents, more exciting content, please enter: http://www.ctmpfsc.com, we will love to answer your questions.