本儀器儀表類產品：儀器儀表 74.70藥皮手工焊條 OK，由河北邢臺市供應商河北菲凡焊接材料有限公司供應，詳細信息如下：
OK 74.70是一款適用于高強度低合金鋼焊接的LMA焊條。該焊條非常適用于包括管道焊接在內的各種應用。
Typical Tensile Properties
As welded
Elongation&nbspTensile Strength&nbspYield Strength保護氣體&nbspStress Relieved Temperature&nbspStress Relieved Testing Time
25 ％&nbsp650 MPa&nbsp550 MPa&nbspISO&nbsp-&nbsp-
Stress relieved
Elongation&nbspTensile Strength&nbspYield Strength保護氣體&nbspStress Relieved Temperature&nbspStress Relieved Testing Time
-&nbsp-&nbsp-&nbspAWS&nbsp620 °C&nbsp1 hr

夏比V型缺口沖擊性能
As welded
Impact Value&nbspTesting Temperature保護氣體
120 J&nbsp-20 °C&nbspISO
90 J&nbsp-40 °C&nbspISO

焊縫金屬分析
Mn
Mn&nbspMo&nbspC&nbspSi
1.5 ％&nbsp-&nbsp-&nbsp-
Mo
Mn&nbspMo&nbspC&nbspSi
-&nbsp0.45 ％&nbsp-&nbsp-
C
Mn&nbspMo&nbspC&nbspSi
-&nbsp-&nbsp0.08 ％&nbsp-
Si
Mn&nbspMo&nbspC&nbspSi
-&nbsp-&nbsp-&nbsp0.4 ％

熔敷數據
Fusion time per electrode at 90％ I max&nbspkg weld metal/kg electrodes&nbspNumber of electrodes/kg weld metal安培熔敷率電壓 V直徑
63 sec&nbsp0.58 kg&nbsp50&nbsp80-140 A&nbsp1.14 kg/h&nbsp23 V&nbsp3.2 x 350 mm
91 sec&nbsp0.61 kg&nbsp25&nbsp80-140 A&nbsp1.6 kg/h&nbsp23 V&nbsp3.2 x 450 mm
93 sec&nbsp0.63 kg&nbsp24&nbsp90-190 A&nbsp1.66 kg/h&nbsp24 V&nbsp4.0 x 450 mm
關鍵詞：儀器儀表 儀器儀表 74.70藥皮手工焊條 OK 河北菲凡焊接材料有限公司