API 5DP Drill Pipe for Well Drilling

Key Specifications/Special Features:

Forged parts, by free forging

Heavy forging shaft, cylinder, sleeve, ring, drive shaft, marine hardware stanchion, roller, valves, forging wheels, forging gears, screw bearing, gear ring, die-block, flanges, pump, bearing chock

Materials: carbon steel, alloy steel, tool steel, stainless steel or customized

Typical forgings:

Shape: shaft, block, ring, cylinder

Diameter: ≤1.5, ≤4.0, ≤4.9, ≤1.5m

Length: ≤5, ≤3.5, ≤8.0m

Machining: NC and CNC lathes, CNC milling and turning, grinding, honing, lapping, broaching and other secondary machining

Heat treatment: annealing, normalizing, tempering, nitriding, carbonitriding, carburizing and induction hardening

Surface treatment: plating, coating, phosphate, anodizing and CVD/PVD plating

Application: machinery, chemical and petroleum industries, mould, shipping, transportation, agriculture, pipeline, metallurgy, electric generation, boat building, mine industry and more

Standard: ASTM, ASME, DIN, SIS, GB EURONORM and more

Quality control:

We have in-house facility for each inspection: Chemical composition report, mechanical properties report, NDT report, heat treatment report, dimensions check report

Certificates: 3.1B material certificates, SGS certificate