导航:全球石油化工网 >> 产品频道 >> 冶金管材、管件、板材 >> 特殊钢材 >> 耐热钢
该公司还有5条同类“耐热钢”供应商机
详细信息
 材质:   3Cr2W8V  规格:   规格齐全 ((mm))

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mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly; mso-pagination: widow-orphan} .at_7{MARGIN: 5pt 0cm; TEXT-INDENT: 20.5pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.71; tab-stops: 18.0pt} .at_2{FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: Arial} .at_30{MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan} .at_11{mso-spacerun: yes} -->3Cr2W8V钢材料简介  3Cr2W8V钢含有较多的易形成碳化物的铬、钨元素,因此在高温下有较高的强度和硬度,在650℃时硬度达HB~300,但其韧性和塑性较差。钢材断面在80mm以下十可以淬透。这对表面层需要有高硬度、高耐磨性的大型顶锻模、热压模、平锻机模已是足够了。这种钢的变相温度较高,抵抗冷热交变的耐热疲劳性良好。 这种钢可用来制作高温下高应力、但不受冲击负荷的凸模、凹模如平锻机上用的凸凹模、镶块、铜合金挤压模、压铸用模具,如反挤压的模具;还可以供作高温下受力的热金属切刀等。[1]3Cr2W8V钢的化学成分示于表    3Cr2W8V钢的化学成分(GB/T 1299—2000)w/%CSiΜnCrWVPS0.30~0.40①≤0.40≤0.402.20~2.277.50~9.000.20~0.50≤0.030≤0.030①根据用户要求,含碳量可提高至0.40~0.50。  
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