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產品詳情
  • 產品名稱:ASTM1340合金結構鋼ASTM1340合金結構鋼化學成份

  • 產品型號:ASTM1340合金結構鋼
  • 產品廠商:蒂森克虜伯
  • 產品價格:0
  • 折扣價格:0
  • 產品文檔:
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簡單介紹:
ASTM1340合金結構鋼ASTM1340合金結構鋼化學成份ASTM1340合金結構鋼ASTM1340合金結構鋼化學成份產品名稱:ASTM1340合金結構鋼 執行標準:ASTM A29/A29M-04 ●特性及適用范圍: 強度、塑性、耐磨性較高,但冷變形塑性不高,焊接性差。用作在重載荷下工作的調質零件,如軸、半軸、曲軸、車軸、螺桿、蝸桿、活塞桿、操縱桿、杠桿、連桿、有
詳情介紹:

ASTM1340合金結構鋼ASTM1340合金結構鋼化學成份
產品名稱:ASTM1340合金結構鋼

執行標準:ASTM A29/A29M-04
●特性及適用范圍:
強度、塑性、耐磨性較高,但冷變形塑性不高,焊接性差。用作在重載荷下工作的調質零件,如軸、半軸、曲軸、車軸、螺桿、蝸桿、活塞桿、操縱桿、杠桿、連桿、有載荷的螺栓、螺釘、加固環、彈簧等;在用作直徑在40mm以下的小斷面重要零件時,與40Cr鋼相當。
●化學成份:
碳 C :0.38~0.43
硅 Si:0.15~0.35
錳 Mn:1.60~1.90
硫 S :允許殘余含量≤0.040
磷 P :允許殘余含量≤0.035
鉻 Cr:允許殘余含量≤0.30
鎳 Ni:允許殘余含量≤0.30
銅 Cu:允許殘余含量≤0.30
●力學性能:
抗拉強度 σb (MPa):≥885(90)
屈服強度 σs (MPa):≥735(75)
伸長率 δ5 (%):≥12
斷面收縮率 ψ (%):≥45
沖擊功 Akv (J):≥55
沖擊韌性值 αkv (J/cm2):≥69(7)
硬度 :≤217HB
試樣尺寸:試樣毛坯尺寸為25mm
●熱處理規范及金相組織:
熱處理規范:淬火840℃,水冷;回火540℃,水冷。
●交貨狀態:以熱處理(正火、退火或高溫回火)或不熱處理狀態交貨,交貨狀態應在合同中注明。

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