中國規定的需要檢驗的進出口金屬復合板材(cai)(cai)(cai)料(liao)(liao)類商(shang)品(pin)(pin)(pin)(pin)主要(yao)有生鐵(tie)、鋼(gang)(gang)(gang)錠(ding)、鋼(gang)(gang)(gang)坯、型材(cai)(cai)(cai)、線材(cai)(cai)(cai)、金(jin)(jin)(jin)屬(shu)(shu)制品(pin)(pin)(pin)(pin)、有色(se)金(jin)(jin)(jin)屬(shu)(shu)及其(qi)制品(pin)(pin)(pin)(pin)等(deng)(deng)。進(jin)出口(kou)鋼(gang)(gang)(gang)材(cai)(cai)(cai)的(de)(de)(de)品(pin)(pin)(pin)(pin)質(zhi)、規格一(yi)般在(zai)(zai)合(he)同中(zhong)訂明，進(jin)口(kou)鋼(gang)(gang)(gang)材(cai)(cai)(cai)中(zhong)采用日(ri)本(ben)Xiff’標 準JlsG系列和(he)德國工(gong)業標準DIN系列的(de)(de)(de)較氨出口(kou)鋼(gang)(gang)(gang)材(cai)(cai)(cai)一(yi)般按(an)中(zhong)國標準檢(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)(yan)；關(guan) 于進(jin)口(kou)鍍(du)鋅鐵(tie)皮、馬口(kou)鐵(tie)、硅鋼(gang)(gang)(gang)片的(de)(de)(de)外(wai)觀(guan)缺陷(xian)的(de)(de)(de)檢(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)(yan)按(an)國家(jia)商(shang)檢(jian)(jian)(jian)局的(de)(de)(de)有關(guan)規定(ding)執(zhi)行(xing)(xing)。國外(wai)的(de)(de)(de)發票、裝(zhuang)箱清單、品(pin)(pin)(pin)(pin)質(zhi)證書、重(zhong)(zhong)(zhong)理明細單、殘損(sun)(sun)證明、商(shang)務 記(ji)錄是有關(guan)重(zhong)(zhong)(zhong)量(liang)(liang)、質(zhi)量(liang)(liang)、數(shu)量(liang)(liang)、殘損(sun)(sun)等(deng)(deng)檢(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)(yan)鑒定(ding)的(de)(de)(de)重(zhong)(zhong)(zhong)要(yao)依據(ju)。金(jin)(jin)(jin)屬(shu)(shu)材(cai)(cai)(cai)料(liao)(liao)類商(shang)品(pin)(pin)(pin)(pin)一(yi)般是由(you)國家(jia)商(shang)檢(jian)(jian)(jian)局或(huo)由(you)其(qi)他商(shang)檢(jian)(jian)(jian)機構實施檢(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)(yan)。對(dui)于大(da)批(pi)(pi) 量(liang)(liang)的(de)(de)(de)進(jin)口(kou)金(jin)(jin)(jin)屬(shu)(shu)材(cai)(cai)(cai)料(liao)(liao)，可在(zai)(zai)出廠(chang)前在(zai)(zai)國外(wai)制造(zao)廠(chang)進(jin)行(xing)(xing)檢(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)(yan)；對(dui)于進(jin)口(kou)金(jin)(jin)(jin)屬(shu)(shu)材(cai)(cai)(cai)料(liao)(liao) 批(pi)(pi)量(liang)(liang)很(hen)大(da)的(de)(de)(de)專業單位，其(qi)本(ben)身檢(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)(yan)設備齊全，技術力量(liang)(liang)較強的(de)(de)(de)，經商(shang)檢(jian)(jian)(jian)機構 審核同意(yi)后(hou)(hou)，允許對(dui)其(qi)所進(jin)口(kou)的(de)(de)(de)鋼(gang)(gang)(gang)材(cai)(cai)(cai)在(zai)(zai)向(xiang)商(shang)檢(jian)(jian)(jian)機構申(shen)報后(hou)(hou)進(jin)行(xing)(xing)質(zhi)量(liang)(liang)的(de)(de)(de)初驗(yan)(yan)(yan)(yan)(yan)； 出口(kou)金(jin)(jin)(jin)屬(shu)(shu)材(cai)(cai)(cai)料(liao)(liao)時，必(bi)須進(jin)行(xing)(xing)出廠(chang)檢(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)(yan)，商(shang)檢(jian)(jian)(jian)機構在(zai)(zai)生產過(guo)程中(zhong)或(huo)出廠(chang)前還進(jin) 行(xing)(xing)不(bu)定(ding)期(qi)的(de)(de)(de)抽查(cha)檢(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)(yan)，并以衡(heng)器(qi)抽驗(yan)(yan)(yan)(yan)(yan)重(zhong)(zhong)(zhong)量(liang)(liang)，核對(dui)批(pi)(pi)次、嘜頭、標記(ji)等(deng)(deng)。金(jin)(jin)(jin)屬(shu)(shu)材(cai)(cai)(cai)料(liao)(liao)以數(shu)量(liang)(liang)計價(jia)的(de)(de)(de)做(zuo)數(shu)量(liang)(liang)檢(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)(yan)，接重(zhong)(zhong)(zhong)量(liang)(liang)計價(jia)的(de)(de)(de)則做(zuo)重(zhong)(zhong)(zhong)量(liang)(liang)檢(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)(yan)。鋼(gang)(gang)(gang)材(cai)(cai)(cai)的(de)(de)(de)尺 寸規格檢(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)(yan)，包括(kuo)(kuo)(kuo)鋼(gang)(gang)(gang)板的(de)(de)(de)厚、寬(kuan)、長；圓鋼(gang)(gang)(gang)的(de)(de)(de)直徑：角(jiao)鋼(gang)(gang)(gang)的(de)(de)(de)邊長；槽(cao)鋼(gang)(gang)(gang)的(de)(de)(de)高(gao) 度和(he)槽(cao)寬(kuan)；鋼(gang)(gang)(gang)管(guan)的(de)(de)(de)直徑和(he)壁厚等(deng)(deng)。鍍(du)鋅鐵(tie)皮、馬口(kou)鐵(tie)的(de)(de)(de)表面不(bu)得有傷痕、凹 坑(keng)、皺紋(wen)、露鐵(tie)等(deng)(deng)。金(jin)(jin)(jin)屬(shu)(shu)材(cai)(cai)(cai)料(liao)(liao)的(de)(de)(de)機械(xie)及工(gong)藝性(xing)能檢(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)(yan)，包括(kuo)(kuo)(kuo)合(he)金(jin)(jin)(jin)鋼(gang)(gang)(gang)熱(re)處理后(hou)(hou) 的(de)(de)(de)機械(xie)性(xing)能檢(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)(yan)；鍋爐管(guan)和(he)石油管(guan)的(de)(de)(de)水壓試驗(yan)(yan)(yan)(yan)(yan)、擴口(kou)試驗(yan)(yan)(yan)(yan)(yan)等(deng)(deng)。金(jin)(jin)(jin)屬(shu)(shu)材(cai)(cai)(cai)料(liao)(liao)的(de)(de)(de)化 學咸分(fen)(fen)分(fen)(fen)析(xi)(xi)試驗(yan)(yan)(yan)(yan)(yan)，根據(ju)不(bu)同的(de)(de)(de)用途，按(an)標準規定(ding)以化學分(fen)(fen)析(xi)(xi)和(he)儀器(qi)分(fen)(fen)析(xi)(xi)的(de)(de)(de)方法，分(fen)(fen)析(xi)(xi)測定(ding)各種元(yuan)素的(de)(de)(de)含(han)量(liang)(liang)，包括(kuo)(kuo)(kuo)非金(jin)(jin)(jin)屬(shu)(shu)元(yuan)素和(he)有害元(yuan)素。