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牌號
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SUH660耐熱鋼棒和線材
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對應標準
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JIS G 4311-2019
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耐熱鋼棒和線材
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Heat-resisting steel bars and wire rods
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歸類
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奧氏體不銹鋼
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性能
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耐腐蝕
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標簽
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耐熱鋼棒 鐵鉻鎳高溫合金
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說明
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①本標準適用于耐熱鋼棒(圓鋼、角鋼、六角鋼及扁鋼的統稱，稱為棒材)及耐熱鋼線材(稱為線材)。
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②牌號后綴“-B”（熱軋棒材）；后綴“-CB”(冷軋棒材)
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例如：熱軋棒材SUH1-B，SUS304-HR-B
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冷軋棒材SUH1-CB，SUS304-HR-CB
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③牌號后綴“-WR”表示線材。例如：SUH1-WR，SUS304-HR-WR
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SUH660 化學元素成分含量(%)
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成分
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C
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Si
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Mn
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P
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S
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Cr
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Ni
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Mo
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Ti
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V
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B
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Al
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最小值
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-
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-
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-
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-
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-
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13.5
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24
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1
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1.9
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0.1
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0.001
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-
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最DA值
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0.08
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1
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2
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0.04
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0.03
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16
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27
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1.5
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2.35
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0.5
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0.01
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0.35
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SUH660 機械性能
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條件
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熱處理或狀態
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抗拉強度
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屈服點
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延伸率
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斷面收縮率
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硬度
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σb
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σs
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δ
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ψ
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HBW
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Mpa
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Mpa
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%
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%
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棒材；d≤180
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固溶處理+時效 (H)
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≥900
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≥590
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≥15
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≥18
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≥248
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熱處理條件：固溶處理 溫度885~915°C，快冷或965~995°C，快冷；時效處理 700~760°C保持16h，空冷或緩慢冷卻
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