基本信息
| 出生地 | Henan China (Mainland) |
|---|---|
| 牌子的名字 | Chenghe |
| 模式的数量 | Non-magnetic drill collar |
| 类型 | 钻头领 |
| 机器型号 | 钻探工具 |
| 验证 | 研究所 |
| 材料 | 碳钢 |
| 处理类型 | 建立 |
Materials of the Non-magnetic drill collars are from chrome manganese, low carbon obtainedby combining a proprietary chemical analysis and a rotary hammer process. The material is resistant to stress corrosion cracking, with high machine ability and no tendency to galling. Magnetic permeability (when MPS=1105/4Nm) relative max μr:1.010. Magnetic field gradient (hot spots) max: B 0.05micro tesla/100mm. Mechanical Property OD Yield strength σ0.2 Tensile strength σb Elongation δ4(%) mm in 79.4--171.4 3 1/8--6 3/4 758 827 18 177.8--279.4 7--11 689 758
交货条款及包装
Packaging Detail: packaged with metal frame Delivery Detail: 30-45days
端口: Tianjin China
付款条款
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