Forged Forging Steel Drill Collar Lifting Subs Drill Pipe LIFT SUBS

• Customization: Available
• Processing Object: Metal
• Molding Style: Forging
• Model NO.: LIFT SUBS
• Application: Machinery Parts
• Material: SS
• Heat Treatment: Quenching
• Surface Treatment: Passivation
• Forging Tolerance: +/-0.5mm
• Standard: AISI
• Material Grade of Forged Bars: 17-4pH
• Transport Package: Wooden or Steel Frame Crate Packing
• Specification: CE
• Trademark: LY
• Origin: Jiangyin
• HS Code: 722840000
• Production Capacity: 5000 Tons/Year

Product Description

We are one leading producer of Forged Forging Steel Drill Collar Lifting Subs Drill Pipe LIFT SUBS factory from china

1.Raw material: Alloy steel 

2.Quality: API  & ISO

3.Delivery time:40days

4.Price: manufacturer's price

Product description:

1. Material:4140,4130,4330V etc

2. Melting process: EAF+LF+VD

3. Machining  process: forging +rough machining+ heat treatment  + finish machining

4. Heat treatment: Normalized / Annealed / Quenched / tempered

5. Standard: API spec7-1 &API Q1 & ISO9001:2008 &ISO/TS29001

 Company information:

1.Our factory has a complete production line for heavy forging parts:

open die forging+heat treatment +machining(boring +deep hole drilling+ threading+spiral+hardfacing)

 

2.We have a national Grade II standard laborary to guarantee the chemical composition and mechanical properties.

 

3.Test report:

Original mill certificate

Material test report

Dimension inspection report

Ultrasonic inspection report

Magnetic particle inspection report