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


 Products Name

Main Material

Size Range

Delivery Status

Square Shaft

18CrNiMo7-6, 42CrMo4,

30CrNiMo8, 34CrNiMo6 etc

OD: 250mm to 1000mm

Length: up to 12000mm

Single Weight: up to 20 tons

Anealed, nomalized,

quenched & Tempered,

C45, 42CrMo4V, 34CrNiMo6

21CrMoV5, 28CrMoV59, 30CrNiMoV511

C45, 34CrNiMo6

EN 26, EN19

AISI 4145Hmod, AISI 4330V



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