Description

Manufacturing technique:

1. Process: Forged + Heat Treatment (optional)+Fine machined

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

3. Delivery condition: Hot forged +Rough machined +Turned (optional)+fined machined

 

Company information:

1. We purchase steel ingot from Chinese well known and qualified steel factory.

2.Each product can be traceable. QC die-stamp the exclusive serial No. on both ends of the raw material, and perform inspection after each producing processing and keep the record acc. to QMS.

3.We are manufactory and we have skilled production team and technology team.

4.We do professional inspection after each process and also we accept third party inspection.

 

Reports:

Original mill certificate

Material test report

Dimension inspection report

Ultrasonic inspection report

Magnetic particle inspection report

 

 

1. We purchase best material from famous steel mill in China, steel making process is EAF or ESR steel. 

2.Upon receipt of raw material, HHF's QCP will inspect raw material quality before our production. 

3. After each process, QCP will perform inspection, we will record the inspection result and keep the record according to the requirements of QMS.

4.We provide Mill certificate, includes Chemical compostition, Mechanical properties, UT test, MPI  test etc

Parameter

Chemical composition

C

Si

Mn

Cr

Mo

Ni

V

Cu

P

S

0.28-

0.34

0.10-

0.40

0.60-

1.00

0.60-

1.10

0.35-

0.65

1.65-

3.10

0.05-

0.15

0.35

max

0.015max

0.015max

    P+S<0.025

 

Mechanical properties

Yield strength

(Mpa)

Tensile strength

(Mpa)

Elongation

(%)

Reduction

 of area(%)

Hardness

Impact(Charpy

V) value

≥150Ksi

(1034Mpa)

≥160Ksi

(1103Mpa)

≥14

≥45

319-390

HB

Average ≥48J

single min ≥41J

 

Products Name

Main Material

Size Range

Delivery Status

Drilling Jar

AISI 4145Hmod,

AISI 4330V

OD: 250mm to 1000mm

Length:  up to 12000mm

Single Weight:  up to 25 tons

Anealed, nomalized,

quenched & Tempered,

Inquiry

If you have any suggestions or opinions about our products,please leave a message,and we will immediately answer your questions. Thanks for your support.

Releated Products
  • Tel
  • Mail
  • Address
  • Inquiry