合金工具钢简称合工钢，是在碳工钢的基础上加入合金元素而形成的钢种。其中合工钢包括：量具刃具用钢、耐冲击工具用钢、 gdkenna.alibaba style="text-decoration: none; color: rgb(34, 34, 34); transition: color 0.3s ease 0s;">冷作模具钢、热作模具钢、 gdkenna.alibaba style="text-decoration: none; color: rgb(34, 34, 34); transition: color 0.3s ease 0s;">无磁模具钢、 gdkenna.alibaba style="text-decoration: none; color: rgb(34, 34, 34); transition: color 0.3s ease 0s;">塑料模具钢。

gdkenna.alibaba style="text-decoration: none; color: rgb(34, 34, 34); transition: color 0.3s ease 0s;">3Cr2W8V是热作模具钢。

执行标准GB/T1299—2000。

统一数字代号A20502；牌号3Cr2W8V。

国内外牌牌对照表：国标 gdkenna.alibaba style="text-decoration: none; color: rgb(34, 34, 34); transition: color 0.3s ease 0s;">3Cr2W8V；德标1.2581；美标H21；日标SKD5

化学成分（%）：C：0.30~0.40，Si：≤0.40，Mn：≤0.40，Cr：2.20~2.70，W：7.50~9.00，V：0.20~0.50，P：≤0.030，S：≤0.030。

热处理工艺：交货状态： gdkenna.alibaba style="text-decoration: none; color: rgb(34, 34, 34); transition: color 0.3s ease 0s;">布氏硬度HBW10/3000（≤255~207），淬火：1075°~1125°，冷却剂：油。

用途和性能：常用的压铸模具钢。碳含量较低，有较高韧性和良好的导热性；同时，含有较多的碳化物形成元素铬、钨、钒，相变温度提高，使钢有高的高温强度、硬度和良好的耐热疲劳性；淬透。适于制造高温、高应力，但不受冲击负荷的压铸铜、铝、镁合金用附模、型芯、浇口套、分流钉、高应力压腊、热剪切刀、热顶锻模、平锻机凸凹模、镶块等。 

规格: Φ20～Φ280

gdkenna.alibaba style="text-decoration: none; color: rgb(34, 34, 34); transition: color 0.3s ease 0s;">

价格说明

---

• 一般情况下：

• 划线价格：划线的价格可能是商品的销售指导价或该商品的曾经展示过的销售价等，并非原价，仅供参考。
  未划线价格：未划线的价格是商品在阿里巴巴中国站上的销售标价，具体的成交价格根据商品参加活动，或因用户使用优惠券等发生变化，最终以订单结算页价格为准。

• 活动预热状态下：

• 划线价格：划线的价格是商品在目前活动预热状态下的销售标价，并非原价，具体的成交价可能因用户使用优惠券等发生变化，最终以订单结算页价格为准。
  未划线价格：未划线的价格可能是商品即将参加活动的活动价，仅供参考，具体活动时的成交价可能因用户使用优惠券等发生变化，最终以活动是订单结算页价格为准。

*注：前述说明仅当出现价格比较时有效。若商家单独对划线价格进行说明的，以商家的表述为准。

导购推荐

1. detail.1688/offer/1173327030.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">

   detail.1688/offer/1173327030.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">￥600.00

   
   

2. detail.1688/offer/35324442689.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">

   detail.1688/offer/35324442689.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">￥68.80

   
   

3. detail.1688/offer/1201747952.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">

   detail.1688/offer/1201747952.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">￥278.00

   
   

4. detail.1688/offer/1168600680.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">

   detail.1688/offer/1168600680.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">￥128.00

   
   

5. detail.1688/offer/39694800251.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">

   detail.1688/offer/39694800251.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">￥8.50

   
   

6. detail.1688/offer/1168597546.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">

   detail.1688/offer/1168597546.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">￥128.00

   
   

7. detail.1688/offer/39758502622.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">

   detail.1688/offer/39758502622.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">￥8.50

   
   

8. detail.1688/offer/39694204819.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">

detail.1688/offer/1173327030.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; display: block; height: 180px; text-align: center;">￥600. detail.1688/offer/1201747952.html" style="text-decoration: none; color: rgb(255, 255, 255); transition: color 0.3s ease 0s; height: 180px; display: inline !important;">￥2