應該如何測試不銹鋼無縫鋼管的硬度？

在使用不銹鋼無縫管的過程中，進行合理的硬度測試是非常重要的，那么如何使用正確的方法對不銹鋼無縫管進行硬度測試呢？

力(li)學(xue)性(xing)(xing)能(neng)的(de)(de)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)方(fang)法主要(yao)(yao)分為(wei)兩種(zhong)(zhong)(zhong)，一(yi)種(zhong)(zhong)(zhong)是(shi)(shi)(shi)拉(la)(la)(la)(la)(la)伸(shen)(shen)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)，另一(yi)種(zhong)(zhong)(zhong)是(shi)(shi)(shi)硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)。拉(la)(la)(la)(la)(la)伸(shen)(shen)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)是(shi)(shi)(shi)將不(bu)銹(xiu)(xiu)鋼(gang)管制成試(shi)(shi)(shi)(shi)(shi)(shi)(shi)樣(yang)(yang)，在(zai)(zai)拉(la)(la)(la)(la)(la)伸(shen)(shen)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)機(ji)上拉(la)(la)(la)(la)(la)伸(shen)(shen)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)樣(yang)(yang)使其(qi)斷裂，然后(hou)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量一(yi)種(zhong)(zhong)(zhong)或(huo)多種(zhong)(zhong)(zhong)力(li)學(xue)性(xing)(xing)能(neng)，通常只(zhi)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量拉(la)(la)(la)(la)(la)伸(shen)(shen)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)(du)(du)(du)、屈(qu)服(fu)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)(du)(du)(du)、斷裂后(hou)伸(shen)(shen)長(chang)率和斷面收縮(suo)率。拉(la)(la)(la)(la)(la)伸(shen)(shen)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)是(shi)(shi)(shi)金屬材(cai)(cai)(cai)料(liao)(liao)的(de)(de)基本力(li)學(xue)性(xing)(xing)能(neng)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)方(fang)法。幾乎所有的(de)(de)金屬材(cai)(cai)(cai)料(liao)(liao)都規(gui)定(ding)了拉(la)(la)(la)(la)(la)伸(shen)(shen)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)，只(zhi)要(yao)(yao)它們對(dui)機(ji)械性(xing)(xing)能(neng)有要(yao)(yao)求。特(te)別是(shi)(shi)(shi)對(dui)于(yu)那些(xie)形狀(zhuang)不(bu)便(bian)于(yu)硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)材(cai)(cai)(cai)料(liao)(liao)，拉(la)(la)(la)(la)(la)伸(shen)(shen)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)已經成為(wei)一(yi)種(zhong)(zhong)(zhong)力(li)學(xue)性(xing)(xing)能(neng)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)方(fang)法。硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)是(shi)(shi)(shi)在(zai)(zai)特(te)定(ding)條件(jian)下(xia)，將一(yi)個硬(ying)(ying)壓頭慢慢壓入樣(yang)(yang)品表(biao)面，然后(hou)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)壓痕(hen)深度(du)(du)(du)(du)(du)(du)(du)(du)(du)或(huo)尺(chi)寸(cun)，以確定(ding)材(cai)(cai)(cai)料(liao)(liao)的(de)(de)硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)。硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)是(shi)(shi)(shi)材(cai)(cai)(cai)料(liao)(liao)力(li)學(xue)性(xing)(xing)能(neng)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)(zhong)一(yi)種(zhong)(zhong)(zhong)簡單(dan)、快速、易于(yu)實施的(de)(de)方(fang)法。硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)是(shi)(shi)(shi)非破(po)壞性(xing)(xing)的(de)(de)，材(cai)(cai)(cai)料(liao)(liao)硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)值(zhi)和抗拉(la)(la)(la)(la)(la)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)(du)(du)(du)值(zhi)之間存在(zai)(zai)近似的(de)(de)換算(suan)關系。材(cai)(cai)(cai)料(liao)(liao)的(de)(de)硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)值(zhi)可以轉(zhuan)化為(wei)抗拉(la)(la)(la)(la)(la)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)(du)(du)(du)值(zhi)，具有重(zhong)要(yao)(yao)的(de)(de)現實意(yi)義。由于(yu)拉(la)(la)(la)(la)(la)伸(shen)(shen)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)不(bu)容(rong)易測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)，將硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)轉(zhuan)化為(wei)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)(du)(du)(du)也很(hen)方(fang)便(bian)，所以越來越多的(de)(de)人只(zhi)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)料(liao)(liao)的(de)(de)硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)，很(hen)少(shao)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)其(qi)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)(du)(du)(du)。特(te)別是(shi)(shi)(shi)由于(yu)硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)計(ji)制造技術和創新的(de)(de)不(bu)斷進(jin)步，一(yi)些(xie)不(bu)能(neng)直接測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)的(de)(de)材(cai)(cai)(cai)料(liao)(liao)，如(ru)不(bu)銹(xiu)(xiu)鋼(gang)管、不(bu)銹(xiu)(xiu)鋼(gang)板和不(bu)銹(xiu)(xiu)鋼(gang)帶，現在(zai)(zai)可以直接測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)。因此，硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)有逐(zhu)漸取代拉(la)(la)(la)(la)(la)伸(shen)(shen)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)趨勢。大(da)多數(shu)不(bu)銹(xiu)(xiu)鋼(gang)材(cai)(cai)(cai)料(liao)(liao)的(de)(de)國家標(biao)準中(zhong)(zhong)(zhong)都規(gui)定(ding)了拉(la)(la)(la)(la)(la)伸(shen)(shen)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)和硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)。對(dui)于(yu)不(bu)便(bian)于(yu)硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)材(cai)(cai)(cai)料(liao)(liao)，如(ru)不(bu)銹(xiu)(xiu)鋼(gang)管，只(zhi)規(gui)定(ding)拉(la)(la)(la)(la)(la)伸(shen)(shen)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)。在(zai)(zai)不(bu)銹(xiu)(xiu)鋼(gang)標(biao)準中(zhong)(zhong)(zhong)，通常有三種(zhong)(zhong)(zhong)硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)方(fang)法布、洛和尺(chi)寸(cun)，用(yong)于(yu)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量血(xue)紅(hong)蛋(dan)白(bai)、HRB(或(huo)高硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)值(zhi))和高硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)值(zhi)，并且只(zhi)需(xu)要(yao)(yao)三種(zhong)(zhong)(zhong)硬(ying)(ying)度(du)(du)(du)(du)(du)(du)(du)(du)(du)值(zhi)中(zhong)(zhong)(zhong)的(de)(de)一(yi)種(zhong)(zhong)(zhong)。

因此，在(zai)測試不銹(xiu)鋼無縫管的硬度時，有必要(yao)做好這些細節，以確(que)保其良好的性能。