We are one leading producer of AISI 4140(AISI 4130, SAE 4330V, 4145H MOD)Forged Forging Steel Sucker Rods Pony rods 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