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(25CR2MOV圓鋼|25CR2MOV螺栓鋼|是珠光體型熱強(qiáng)鋼,是我國(guó)研制成功的高溫螺栓用鋼。
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(25CR2MOV (25CR2MOV)Φ 20 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 25 *長(zhǎng)(MM) <圓鋼、螺栓、軋材
(25CR2MOV (25CR2MOV)Φ 30 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 35 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 40 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 45 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 48 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 50 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 55 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 60 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 65 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 70 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 75 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 80 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 85 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 90 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 95 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 100 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 105 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 110 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 115 *長(zhǎng)(MM) <圓鋼、螺栓、軋材>
(25CR2MOV (25CR2MOV)Φ 120 *長(zhǎng)(MM) <圓鋼、螺栓、鍛材>
(25CR2MOV (25CR2MOV)Φ 160 *長(zhǎng)(MM) <圓鋼、螺栓、鍛材>
(25CR2MOV (25CR2MOV)Φ 180 *長(zhǎng)(MM) <圓鋼、螺栓、鍛材>
(25CR2MOV (25CR2MOV)Φ 200 *長(zhǎng)(MM) <圓鋼、螺栓、鍛材>
(25CR2MOV (25CR2MOV)Φ 220 *長(zhǎng)(MM) <圓鋼、螺栓、鍛材>
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(25Cr2MoV力學(xué)性能:
(抗拉強(qiáng)度 σb (MPa):1090,屈服強(qiáng)度 σs (MPa):1042,伸長(zhǎng)率 δ5 (%):18,斷面收縮率 ψ (%):63,沖擊韌性值 αku (J/cm2):213,硬度:308HB.
(25Cr2MoV合金鋼
(25Cr2MoV熱處理規(guī)范:890℃,30min,油淬;670℃,60min,回火,空冷。
(25Cr2MoV金相組織:火索氏體。
(25Cr2MoV化學(xué)成分:
(25Cr2MoV含
(碳C 0.22~0.29 ,
(硅Si 0.17~0.37,
(錳Mn 0.40~0.70,
(硫S≤0.035,
(磷P≤0.035,
(鉻Cr 1.50~1.80,
(釩V 0.15~0.30,
(鉬Mo 0.25~0.35.