联系人 Mr. Wayne
Songzhuang, Taiyuan, Shanxi
Square
kelly
Square kellys is made from AISI ***5H alloy
steel acc. to API Spec.7 and SY/T***9.
It is formed by hot forged and heat-treated by intermediate
frequency induction heat treatment or *0m horizontal resistance
furnace to gain high physical properties in length. All threads are
phosphate, plate copper or cold worked.
Kelly is at the top of drill
string, which has two types, the square and the
hexagonal.
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| 国家: | China |
| 型号: | - |
| 离岸价格: | ( Negotiable ) 获取最新报价 |
| 位置: | China |
| 最小订单价格: | - |
| 最小订单: | 10 Piece |
| 包装细节: | - |
| 交货时间: | - |
| 供应能力: | - |
| 付款方式: | D/P, L/C, T/T |
| 產品組 : | - |
