Multi-Layer Extrusion Barrel
We offer following specifications in bimetallic barrels:
BASE MATERIAL
42CrMo(AISI 4140)
38CrMoAIA(EN-41B)
DIMENSIONS
Barrel Inner Diameter
Maximum Barrel Length(Single Part)
Barrel Straightness
Barrel Bore Tolerance
Barrel Bore Roughness
15-200 mm
5000 mm
0.015 mm/m
H7
Ra 0.001
HEAT TREATMENT
Hardening & Tempering(Toughening) 285-345 HV (Hardness)
Gas Nitriding
Nitration Depth Hardness
0.5-0.8 mm 950-1150 HV
BI-METALLIC COATINGS
Type Characteristics Alloy Hardness(HRC) Base Material Layer Inlay
Wc-Based Abrasion Resistance Wc+Cr+B+Co 58-64 4140/EN-41B 1.5-3 mm
Ni-Based Corrosion Resistance Ni+Cr+B+Co 50-58 4140/EN-41B 1.5-3 mm
Multi-Layer Extrusion Barrel