Cold Drawn Alloy Steel Tubes for Mining and Drilling

At Dingxin, mining and drilling industry is a special focus area. We manufacture high-quality cold drawn alloy steel tubes that can be widely applicated in wireline coring, oil and gas exploration. The tubes could flexibly satisfy different exploring depth and methods of coupling.

With excellent dimensional tolerances, eccentricity, straightness, well-balanced mechanical properties, we can guarantee the maximum reliability and safety in harsh service environment during exploration.

● GB/T9808, Seamless Steel Tubes for Drilling

● GB/T 16950, Geological core drilling tools

● ASTM A519, Seamless Carbon and Alloy Steel Mechanical Tubing

● DIN2391, Seamless precision steel tubes

● EN10305-1, Steel tubes for precision applications Part 1: Seamless cold drawn tubes

● ISO10097-1 Wireline diamond core drilling pipes

● DCDMA, Diamond Core Drilling Manufacturers Association

● BS4019, Specification for rotary core drilling equipment

● JIS G3465, Seamless Steel Tubes for Drilling

● METRIC drilling rods

● Or according to customer’s specific requirements

● High wear resistance and long work life

● Well-balanced mechanical properties

● Excellent microstructure

● Superior straightness with special attention to tube ends

● Tight tolerances and consistent concentricity

● Low residual hoop stress

To prove compliance with the high requirements for wireline drilling, we subject our drilling steel tube to extensive tests and provide appropriate certificates

● 100% NDT in accordance with EN and ASTM standards ensuring the best surface quality and integrity

● 100% visually checked to assure perfect surface condition and no surface defects

● 100% raw material chemical analysis verified and segmented, no mix-up

● 100% T.I.R straightness check

● Geometric dimensioning check

● Mechanical testing

● Hardness test

● Residual stress measurement

● Other specific testing upon request

1. Q: Are you a trading company or manufacturer?

      A: We are a manufacturer and solution provider. Certified with ISO9001 & IATF16949, Dingxin has nearly 20 years’ experience in the production of wireline coring tube.

2. Q: How long is your delivery time?

      A: If the requested tube product is in stock. The lead time could be within 7- 14 days. If there’s no stock, the manufacturing cycle is around 30 to 45 days depending on the process and amount.

3. Q: What is your payment term?

      A: 1）30% advanced payment, 70% balance T/T against the copy of B/L lading 2）30% advanced payment, 70% balance T/T before shipment. 3) LC at sight.

Why choose us?

• Our team of professionals is dedicated to delivering high-quality Tube for Drill Rods.
• We are a professional Cold Drawn Alloy Steel Tubes for Mining and Drilling manufacturer integrating development, design, production and sales, and our products reflect the characteristics of the times.
• Our Tube for Drill Rods provide the highest standards in safety and reliability.
• We are writing a new chapter in the development of the industry with excellent technology and leading Cold Drawn Alloy Steel Tubes for Mining and Drilling.
• We guarantee timely delivery of our Tube for Drill Rods.
• The company focuses on the future and continues to create new energy-saving, environmentally-friendly and low-carbon solutions to help our users win the competitive challenges in the future.
• We are committed to maintaining long-term relationships with our customers through our exceptional Tube for Drill Rods and service.
• We firmly believe that every employee has a shining side, and we respect our employees and let every employee play the master spirit.
• Our team of professionals is always ready to provide prompt assistance concerning our Tube for Drill Rods.
• We are a supplier of many brands due to the longer life and more stable performance of our Cold Drawn Alloy Steel Tubes for Mining and Drilling, which can help customers save production costs.

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