Detailed Product Description

We can supply all kinds of drilling pipes forgings. We choose excellent alloy steel AISI 4130, AISI 4140, AISI 4330 AISI 4340, AISI 8620, etc. Our customers' drilling pipes have been used on 10000 meter oil well on land or 5000 meter oil well under the sea. Some drilling pipes have endured -50^oC low temperature working condition and our customers get the longest working time.

We have a series of inspection equipment and test appliance, including chemical analysis, metallographic analysis, mechanical property test, charpy impact test, ultrasonic test, magnetic particle test, etc.

All of the ingots are melted by LF + VOD furnace. We can choose ESR raw material according to customers' requirements. On this condition we can ensure that P/S content is lower than 0.010% and H content lower than 1.8 PPM.