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妯�(bi膩o)婧�(zh菙n)锛欸B/T 1222-1984
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銆€銆€纰� C 锛�0.62锝�0.70
纭� Si锛�0.17锝�0.37
銆€銆€閷� Mn锛�0.90锝�1.20
銆€銆€纭� S 锛氣墹0.035
銆€銆€纾� P 锛氣墹0.035
銆€銆€閴� Cr锛氣墹0.25
銆€銆€閹� Ni锛氣墹0.30
銆€銆€閵� Cu锛氣墹0.25
銆€銆€鍔涘(xu茅)鎬ц兘锛�
銆€銆€鎶楁媺寮�(qi谩ng)搴� 蟽b (MPa)锛氣墺980(100)
銆€銆€灞堟湇寮�(qi谩ng)搴� 蟽s (MPa)锛氣墺784(80)
銆€銆€浼搁暦鐜� 未10 (%)锛氣墺8
銆€銆€鏂烽潰鏀剁府鐜� 蠄 (%)锛氣墺30
銆€銆€纭害 锛氱啽杌�,鈮�302HB;鍐锋媺+鐔辫檿鐞�,鈮�321HB
銆€銆€鐔辫檿鐞嗚(gu墨)鑼冨強閲戠浉绲勭箶锛�
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銆€銆€渚涜波瑕�(gu墨)鏍硷細
銆€銆€鐩ゅ湏锛毼�5.5锝�16mm
銆€銆€杌嬫潗锛毼�120锝�150mm
銆€銆€閸涙潗锛毼�160锝�450mm
銆€銆€65Mn瀵嗗害
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