首頁 >> 新聞中心 >> GB/T18033-2017無縫銅水管和銅氣管壓扁擴口試驗Seamless Copper Tubes Flattening Test
GB/T18033-2017無縫銅水管和銅氣管工藝性能試驗規定：可用壓扁試驗代替擴口試驗，壓扁試驗後管材的內壁間距等于3倍壁厚。壓扁試驗後管材不應出現肉眼可見的裂紋或破損。銅管擴口試驗采用頂錐45°，擴口率規定爲40％及30％。銅管力學性能需測定抗拉強度、斷後延伸率、HV5維氏硬度。
GB/T18033-2017無縫銅水管和銅氣管，規定了無縫銅水管和銅氣管試驗方法、檢驗規則。GB/T18033-2017適用于輸送飲用水、生活冷熱供水、民用天然氣、煤氣及對銅無腐蝕作用的其他介質的銅管。銅管一般采用焊接、擴口或壓接等方式與管件相連接。
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濟南恒瑞金試驗機有限公司；材料力學試驗機制造商；山東省力值硬度計量委員
（試驗機服務中心）（試驗機配件供應中心）（特殊夾具定制中心）
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