Boberry

Metal Forged Step Shafts

  • Product Range: Step shafts, main shafts, and crank shafts.
  • Forging Capacity: 6300T, 3150T, and 2000T hydraulic presses; 1T–5T hammers.
  • Machining Capacity: Up to 70 tons, 32-ton CNC machine loading.
  • Dimensional Accuracy: Tolerance ±0.01 mm; surface roughness Ra 0.4.
  • Testing Coverage: 100% ultrasonic inspection with hardness and tensile testing.

Technical Specifications

Parameter Specification
Material High-quality ingot steel (per order specification)
Forging Type Open Die / Free Forging / Die Forging
Tolerance ±0.01 mm
Surface Roughness Ra 0.4
Heat Treatment Quench & Temper / Normalize / Anneal
Testing 100% UT + Mechanical Properties Test
Capacity 500–1000 Tons / Month
Delivery Time 15–30 Days (Urgent) / 30–45 Days (Normal)
Packaging Anti-rust oil + Wooden crate / Steel frame
Transport Options By Sea / Air / Train (FOB, CIF, DDP)

Customization & OEM Service

  • Custom step shaft dimensions, materials, and grades.
  • Design assistance and CAD drawing review.
  • Machining, threading, and surface finishing per customer drawings.
  • MOQ: 1 piece (sample service available).
  • OEM/ODM branding and international delivery (FOB, CIF, DDP).

Industries Served

  • Heavy machinery and metalworking equipment
  • Power generation systems
  • Pulp and paper processing
  • Marine propulsion systems
  • Food and industrial processing machinery

Let's Talk