不銹鋼(gang)材(cai)的表(biao)面(mian)(mian)質(zhi)(zhi)量(liang)(liang)實際上決(jue)定于鋼(gang)材(cai)表(biao)面(mian)(mian)加(jia)(jia)工的要求(qiu)(qiu)。除我國(guo)標(biao)(biao)準(zhun)(zhun)外(wai)(wai),國(guo)外(wai)(wai)標(biao)(biao)準(zhun)(zhun)對表(biao)面(mian)(mian)質(zhi)(zhi)量(liang)(liang)的規定都(dou)比較籠統。比如,日本JIS標(biao)(biao)準(zhun)(zhun)一般只(zhi)用(yong)“鋼(gang)材(cai)表(biao)面(mian)(mian)不得(de)存在(zai)(zai)對使(shi)用(yong)有(you)(you)害(hai)的缺陷(xian)”。美國(guo)ASTM標(biao)(biao)準(zhun)(zhun)一般只(zhi)用(yong)“鋼(gang)材(cai)應(ying)有(you)(you)與(yu)生產(chan)和(he)(he)(he)(he)檢(jian)驗操作一致的均勻質(zhi)(zhi)量(liang)(liang),不應(ying)有(you)(you)其性質(zhi)(zhi)和(he)(he)(he)(he)程度(du)(du)對成(cheng)品部件的成(cheng)形和(he)(he)(he)(he)加(jia)(jia)工產(chan)生有(you)(you)害(hai)的缺陷(xian)‘’等(deng)條文作原則性規定。但(dan)由于國(guo)外(wai)(wai)重視(shi)鋼(gang)材(cai)的表(biao)面(mian)(mian)加(jia)(jia)工,企業內(nei)部都(dou)要根據用(yong)戶要求(qiu)(qiu)制定適合(he)各種要求(qiu)(qiu)的表(biao)面(mian)(mian)質(zhi)(zhi)量(liang)(liang)內(nei)控標(biao)(biao)準(zhun)(zhun),所以生產(chan)的鋼(gang)材(cai)實際表(biao)面(mian)(mian)質(zhi)(zhi)量(liang)(liang)很好。而我國(guo)標(biao)(biao)準(zhun)(zhun)對鋼(gang)材(cai)表(biao)面(mian)(mian)不允許(xu)(xu)或允許(xu)(xu)存在(zai)(zai)的缺陷(xian)名(ming)稱(cheng)、局部缺陷(xian)清除深(shen)度(du)(du)的要求(qiu)(qiu)等(deng)都(dou)規定的詳細具體,但(dan)生產(chan)鋼(gang)材(cai)的實際外(wai)(wai)觀和(he)(he)(he)(he)表(biao)面(mian)(mian)質(zhi)(zhi)量(liang)(liang)與(yu)國(guo)外(wai)(wai)相比,有(you)(you)些(xie)還存在(zai)(zai)一些(xie)差距。

