Round Link Mining Chain 18x64 Grade 2

Diameter (d), mm: 18
Pitch (t), mm: 64
Grade: 2
Proof load, kN: 305
Break load, kN: 407
Inside width (b₁), mm: 21
Outside width (b₂), mm: 60
Commercial weight, kg/m: 6,6
Standard: DIN 22252

Hardness
High-quality steel and heat treatment make it possible to obtain uniform hardness across the entire link surface within 345-385 HB with a tensile strength of not less than 800 MPa.

Material
Special high-strength alloy steel

Сoating
NSW – natural black
IOL – ISO 12924 preservation grease
TEC – TECTYL

Standard
Grade 2: DIN 22252;
Grade С, 2-SM: The standards of the manufacturer that meet the requirements of ISO 610-90 and supplemented by customer requirements.