Model Number: hot forged steel bar -38 Brand Name: Unite Steel Key Specifications/Special Features: Alloy steel bar, SAE 4135/35crmoProcess:EAF+LF+VOD+forged+heat treatment (optional)Size range:Round:Hot forged: 80mm-1200mmSurface finish: black, peeled (K12), cold drawn, turned & polished (H10, H11), precision ground (H9, H8)
Test: ultrasonic test according to SEP 1921-84

Forgings are flawless completely free from cracks and flakes, and does not contain any other imperfection,such as porosity non-metallic inclusions segregation, hard spots and residual tensions to a degree affecting their strength and durability.