REFERENCE MATERIAL

ALLOY STEEL 4340

Metal

OVERVIEW

high-toughness alloy steel surface

MECHANICAL PROPERTIES

Density7.85 g/cm³
Tensile Strength930 MPa
Hardness28 HRC
Temperature Range-40°C to 400°C

VISUAL PROPERTIES

Surface Behavior
high-toughness alloy steel surface
Material Response
dense metallic response
Micro Detail
tight grain with heat-treated depth

PRECISION

±0.025mm

Tolerance capability

FAST TURNAROUND

24-48hrs

Quote to production

TECHNICAL SPECIFICATIONS

Tolerance Standards

CNC Machining±0.025mm
3D Printing±0.100mm
Injection Molding±0.050mm

Material Properties

Density Range0.9–8.9 g/cm³
Tensile Strength10–1790 MPa
Operating Temp-200°C / +870°C

Surface Finishes

As MachinedRa 125μin
PolishedRa 8μin
AnodizedType II & III

Production Speed

Standard Lead Time3–10 days
Express Service24–48 hours
Batch Production1–10,000 units