高速工具鋼及模具、切削具刃堆焊條
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牌號\化學成分
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C
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Mn
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Si
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Cr
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Mo
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W
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V
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Co
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Ni
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其它
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硬度
|
|
D307
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0.7-1.0
|
|
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3.5-4.5
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17-20
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1.0-1.5
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|
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≤1.5
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≥55
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D317
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0.7-1.0
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|
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3.0-4.0
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3-5
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4.5-6
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1.5-3.0
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|
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≤1.5
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≥50
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D317A
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0.3-0.8
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0.5-1.0
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0.3-0.6
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3-4
|
2-4
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6-8
|
1.5-2.5
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|
|
|
58-62
|
|
D322
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≤0.5
|
|
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≤5.0
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≤2.5
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7-10
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≤1.0
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|
|
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≥55
|
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D327
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≤0.5
|
|
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≤5.0
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≤2.5
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7-10
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≤1.0
|
|
|
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≥55
|
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D327A
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≤0.5
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|
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5-6.5
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2-3
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2-3.5
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1-3
|
|
|
|
≥50
|
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D337
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≤0.55
|
|
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2-3.5
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|
7-10
|
|
|
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≤1.0
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≥48
|
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D386
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≤0.6
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|
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≤3.0
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≤5
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|
|
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≤3.0
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≥50
|
|
D397
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≤0.6
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≤2.5
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≤1.0
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≤2.0
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≤1.0
|
|
|
|
|
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≥40
|
|
D406
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≤0.5
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≤2.0
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≤2.0
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≤6
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≤5.0
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≤10
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≤2
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≤12
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≤2.0
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≈50
|
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D417
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0.5-0.9
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≤0.6
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≤0.8
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3-5
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5-10
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1-2.5
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0.8-1.5
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|
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≤1.0
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≥55
|
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D427
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≤0.8
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≤13
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≤11
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|
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≤2
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≤2
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≥40
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D437
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≈0.8
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|
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≈15
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|
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≈3
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≈4
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≥40
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此類焊條可在中碳鋼制成的刀具、模具毛坯工作面堆焊以達到整體高速鋼的目的，也用來修復磨損刀具，切削具，沖模，鍛模，軋輥，熱剪刀刃口，葉片，高爐料鐘，煉鋼吊牙零部件的堆焊.
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