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Study on Narrow Lap Welding Process for Cold Rolled High Strength Steel over 490 MPa
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Gang Wu1, Ning Wu2
Rare Earth Steel | 2021, 47(4) : 39 - 42
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Rare Earth Steel | 2021, 47(4): 39-42
• Quality of Variety and Experiment and Research •
Study on Narrow Lap Welding Process for Cold Rolled High Strength Steel over 490 MPa
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Gang Wu1, Ning Wu2
Affiliations
  • 1.Inner Mongolia Baotou Steel Rare Earth Steel Plate Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Iron-making Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2021-08-25 doi: 10.13647/j.cnki.btgkj.2021.04.010
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In the article, the principle of narrow lap welding and judgment methods for weld quality are clear and definite as well as the hardness impact of various martensite during rapid cooling for strip steel of this material and the CCT diagram of rapid cooling phase transformation for carbon steel are analyzed. The obtained drawing test results of weld are qualified and the fracture is not at weld in tensile test through adjusting welding parameters as well as increasing annealing process of weld so that the quality of weld seam is eligible in actual production.

lap welder  /  galvanizing unit  /  high strength steel  /  welding debugging  /  annealing
吴刚, 吴宁. 490 MPa级以上冷轧高强钢窄搭接焊接工艺研究. 包钢科技, 2021 , 47 (4) : 39 -42 . DOI: 10.13647/j.cnki.btgkj.2021.04.010
Gang Wu, Ning Wu. Study on Narrow Lap Welding Process for Cold Rolled High Strength Steel over 490 MPa[J]. Science & Technology of Baotou Steel, 2021 , 47 (4) : 39 -42 . DOI: 10.13647/j.cnki.btgkj.2021.04.010
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Year 2021 volume 47 Issue 4
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doi: 10.13647/j.cnki.btgkj.2021.04.010
  • Receive Date：2021-03-12
  • Online Date：2026-10-20
  • Published：2021-08-25
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  • Received：2021-03-12
Affiliations
    1.Inner Mongolia Baotou Steel Rare Earth Steel Plate Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
    2.Iron-making Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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