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合金鋼板檢材料的進(jìn)場(chǎng)驗(yàn)收，復(fù)驗(yàn)按批進(jìn)行，標(biāo)志應(yīng)粘貼牢固、字跡清晰，包裝材料應(yīng)符合有關(guān)法律規(guī)定，每批交貨的鋼板必須有質(zhì)量保證文件和力學(xué)性能試驗(yàn)報(bào)告。
Alloy steel materials approach acceptance, re inspection according to the batch, logo should be pasted firmly, clear handwriting, packaging materials should comply with the relevant laws and regulations, must have quality assurance and mechanical performance test report file delivery of each batch of steel plate.
尤其是汽車用合金鋼板在動(dòng)態(tài)條件下的拉伸性能檢測(cè)變得越來(lái)越重要。然而,不同檢測(cè)實(shí)驗(yàn)室采用的檢測(cè)方法不同,沒(méi)有可利用的檢驗(yàn)標(biāo)準(zhǔn),并且生成的數(shù)據(jù)通常不具有可比性。為了提高鋼在高速拉伸試驗(yàn)條件下的數(shù)據(jù)質(zhì)量,12Cr1MOV合金鋼板提高碰撞模擬的準(zhǔn)確性。
Especially the tensile performance testing of automotive alloy steel plate under dynamic conditions becomes more and more important. However, the detection methods used by different testing laboratories are different, there are no available inspection standards, and the generated data are usually not comparable. In order to improve the data quality of steel under high tensile test conditions, 12Cr1MOV alloy steel plate was used to improve the accuracy of collision simulation.
從適用范圍、設(shè)備器材、檢測(cè)條件和方法、對(duì)比試塊、靈敏度的調(diào)校、缺陷的測(cè)定與評(píng)定等幾方面對(duì)國(guó)內(nèi)外常用鋼板超聲檢測(cè)標(biāo)準(zhǔn)進(jìn)行對(duì)比分析，為有關(guān)單位和檢驗(yàn)人員更加深入地理解和使用標(biāo)準(zhǔn)，正確執(zhí)行標(biāo)準(zhǔn)提供參考。
Analyzed from the scope, equipment, test conditions and methods, contrast test block, adjust the sensitivity of defect testing and evaluation of several aspects of commonly used at home and abroad steel plate ultrasonic testing standards for personnel and inspection of the relevant units of more in-depth understanding and use of standard, the correct reference standard.
其中對(duì)各等級(jí)的文字描述為：
The text of each grade is described as:
A級(jí)：全面地覆蓋著氧化皮，允許有微量銹斑（直徑不大于10mm）的鋼材表面；
Class A: fully covered with oxide, allow trace rust (diameter less than 10mm) of the steel surface;
B級(jí)：已發(fā)生銹蝕并且部分氧化皮已經(jīng)剝落的鋼材表面，剝落面積不超過(guò)總氧化表面積的1/10；
Grade B: steel surface that has corroded and partially oxidized the peel has peeled off the area of not more than the total oxidation surface area of 1/10;
C級(jí)：氧化皮已因銹蝕而剝落，或者可以刮除，并且有少量點(diǎn)蝕的鋼材表面；
Grade C: the surface of the oxide has been peeled off due to rust, or can be scraped, and a small amount of pitting steel surface;
D級(jí)：氧化皮已因銹蝕而全面剝落，并且已普遍發(fā)生點(diǎn)蝕的鋼材表面。n
Grade D: oxide skin has been completely peeled off due to rust, and has generally pitting steel surface. N
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