The Atlantic Ocean CHE508Ni low-alloy steel covered electrode
Aug 03, 2017   Tag: The Atlantic Ocean, soldering material and attachment,

Contact Information

Contacts: Wang BingLi
Address: One storey of Tianjin Tianjin Tianjin Hebei district community of front yard of China of victorious way
Telephone: 86 022-585690809

 

The low-alloy steel covered electrode covered electrode is used and said The products are described: The low-alloy steel covered electrode covered electrode is used and said Classify and get used to according to the past covered electrode of our country, the national standard GB/T5118-1995 of the covered electrode <>Include the following three kinds: 1. 50 kg category (get rid of the deposited metal Mn-si is) The above-mentioned structure covered electrodes; 2.Molybdenum and chromium molybdenum pearlite heat-resisting steel covered electrode; 3.Low-temperature steel covered electrode. The application of the low-alloy steel covered electrode, it is usually according to the chemical composition of the steel products. Mechanics property. Crack-resistant characteristic,etc. is required. From the welded construction shape at the same time. Working condition, is forced respects such as situation and welding equipment,etc., consider synthetically. If necessary, need to weld performance test to confirm the covered electrode and take the essential craft measure. 1.Use of the low structural alloy steel covered electrode Generally choose the corresponding covered electrode in accordance with the intensity grade of the steel products, also need steel products weldability at the same time, the transition of base metal compositions, weld the physical dimension. Shape. Factors such as the groove and forcing the situation,etc., consider synthetically, is welding the cooling rate too big, make the intensity increase, the weld joint is connected under the unfavorable situation of easy feather checking, can often choose the covered electrode a little more low than the intensity of base metal, in case of the thick plank carries on situations such as homogenization treatment,etc. after welding or welding in multiple layers, phenomenon of needing to prevent the weld strength from being overlow. To requiring the plastic property is good. Impact ductility is high. The low-temperature characteristic is good. The characteristic powerhouse of the crack-resistant, choose the covered electrode of alkaline or high tenacity, the welding of the medium carbon steel can generally choose the ultra low hydrogen type, covered electrode of high tenacity or craft measure in order to preheat,etc. of the shop. 2.Use of molybdenum and chromium heat-resisting steel covered electrode The commonly used alloying element has chromium in the heat-resisting steel of pearlite. Molybdenum. Vanadium. Niobium,etc., in order to meet the needs of different work. Because carbon and alloying element in steel act on commonly, make it extremely apt to form the quench hardening organization during welding, welding property is discrepancy, in conformity with this, heat-resisting steel of pearlite is preheated before generally welding, weld, carry on back fire treatment. When the steel of heterogeneity is welded, generally choose the material in conformity with middle composition, should also be according to the material with bad weldability among them, the heat treatment condition after choosing appropriately and preheating the temperature and welding. While use singly or is used in the thicker-wall tube to weld, should choose low hydrogen heat-resisting steel covered electrode. 3.Use of the low-temperature steel covered electrode According to the characteristic of the low-temperature liquefied gas Production process flow, the low steady steel, according to different consumption temperatures (- 40 . -70 . -100 . -196 . -253 ) Use in grades, and choose the corresponding soldering material. Concise table of covered electrode of low-alloy steel Page number Code number Trade mark of covered electrode Medicine cover type Electric current kind Major application 104 1 CHE52WCu Titanium calcium type Alternating and direct current 09MnTiPCu.09CuTiRE,etc. railway for vehicle to able to bear welding of steel Hou 105 2 CHE505Mo Cellulosic sodium type Direct current It is structural to be used in pressure piping and similar material and feel secure and weld 106 3 CHE506NiLH Low hydrogen type Alternating and direct current Weld the important structure of low-alloy steel, such as the offshore platform. Vessel,etc. 107 4 CHE506WCu Low hydrogen type Alternating and direct current 09MnTiPCu.09CuTiRE,etc. railway for vehicle to able to bear welding of steel Hou 108 5 CHE507NiLH Low hydrogen type Direct current Weld the important structure of low-alloy steel, such as the offshore platform. Vessel,etc. 13 6 CHE507RH Low hydrogen type Direct current Weld the important structure of low-alloy steel, such as the offshore platform. Vessel 109 7 CHE507CuP Low hydrogen type Direct current Weld copper phosphorus system and resist the atmosphere. Haitian corrodes the steel 110 8 CHE507Crni Low hydrogen type Direct current Weld and resist steel such as 14MnMoNbCu of hydrogen sulphide,etc. 111 9 CHE507CrNi Low hydrogen type Direct current Welding used for able to bear steel of marine corrosioning 112 10 CHE507FeNi Low hydrogen type Direct current Used in medium carbon steel,etc. 113 11 CHE508Ni Low hydrogen type Alternating and direct current Used in the structural welding of low-alloy steel of the same grade 114 12 CHE556CrNiCu Low hydrogen type Alternating and direct current ASTMA242. A558. Q450NQR1,etc. able to bear steel Hou weld 115 13 CHE556H Low hydrogen type Alternating and direct current Used in high performance. Refractory. Able to bear for building welding of steel such as WGJ510C2 Hou 116 14 CHE557 Low hydrogen type Direct current Weld low-alloy steel such as medium carbon steel and 15MnTi 117 15 CHE557RH Low hydrogen type Direct current Pressure vessel. Bridge. The hydropower station drops tube and ocean engineering to weld 118 16 CHE557MoV Low hydrogen type Direct current Weld medium carbon steel and corresponding intensity low-alloy steel 119 17 CHE557Ni Low hydrogen type Direct current Pressure vessel. Bridge. Vessel. Medium carbon steel and corresponding intensity grade paper alloy steel such as the boiler are welded 120 18 CHE558Ni Low hydrogen type Direct current Steel construction such as 15MnTi, 15MnV of low content alloy used for welding the same grade 121 19 CHE558CrNiCu Low hydrogen type Alternating and direct current ASTMA242. A588. Q450NQR1,etc. able to bear steel Hou weld 122 20 CHE62CFLH Low hydrogen type Direct current Weld 62CF carbon steel and corresponding intensity low-alloy steel 123 21 CHE606 Low hydrogen type Alternating and direct current Weld medium carbon steel and corresponding intensity low-alloy steel 124 22 CHE607 Low hydrogen type Direct current Weld medium carbon steel and corresponding intensity low-alloy steel 125 23 CHE607Ni Low hydrogen type Direct current Weld the steel that thermal fragmentation is inclined to again 126 24 CHE607RH Low hydrogen type Direct current Pressure vessel. Bridge. The hydropower station drops tube and ocean engineering to weld. CF60(62) . WH610D2 steel reaches and well matches 127 25 CHE707 Low hydrogen type Direct current Weld the low-alloy steel of the corresponding intensity 128 26 CHE707Ni Low hydrogen type Direct current Weld the low-alloy steel of the corresponding intensity 129 27 CHE757 Low hydrogen type Direct current Weld the low-alloy steel of the corresponding intensity 130 28 CHE757Ni Low hydrogen type Direct current Mainly for welding the important structure of low-alloy steel of the corresponding intensity rank. For instance the welding component of steel such as 14MnMoNbB and WEL-TEN80

 


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