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Hunan Hemway Steel Co., Ltd.
Our production facility is optimized for long-axis components, maintaining exceptional straightness and metallurgical uniformity even at 12-meter lengths.
|
Parameter |
Metric Range |
Imperial Range |
|
Maximum Length |
Up to 12,000 mm |
Up to 39.3 ft |
|
Maximum Outside Diameter (OD) |
Up to 1,200 mm |
Up to 47.2 in |
|
Maximum Weight |
25,000 kg |
55,115 lbs |
|
Internal Bore (Hollow Forging) |
100 mm — 600 mm |
4″ — 23.6″ |
|
Concentricity Tolerance |
Within 0.5 mm / Meter |
0.006″ / Foot |
Hemway Steel holds an inventory of various alloys for customers to order for their nickel forging needs and specifications:
|
Inconel 625 (UNS N06625) |
Inconel 686 (UNS N06686) |
Incoloy 800H (UNS N08810) |
|
Monel 400 (UNS N04400) |
Inconel 716 (UNS N07716) |
Incoloy 800HT (UNS N08811) |
|
Monel K500 (UNS N05500) |
Inconel 718 (UNS N07718) |
Incoloy 825 (UNS N08825) |
|
Inconel 600 (UNS N06600) |
Inconel 725 (UNS NO7718) |
Hastelloy C276 (UNS N10276) |
|
Inconel 617 (UNS N06617) |
Inconel X750 (UNS N07750) |
Incoloy 020 (UNS N08020) |
Our quality management ensures that the mechanical reality matches the digital blueprint.
|
Test Method |
Industry Standard |
Target Verification |
|
Ultrasonic (UT) |
ASTM A388 / EN 10228-3 |
Internal soundness of the 1,200mm cross-section. |
|
Magnetic Particle (MPI) |
ASTM E709 / E1444 |
Surface integrity at stepped diameter transitions. |
|
Tensile & Impact |
ASTM E8 / ASTM E23 |
Verification of Yield/Tensile/Charpy via test coupons. |
|
Hardness Mapping |
ASTM E10 / ASTM E110 |
Uniformity of through-hardening across the shaft length. |
|
Dimensional CMM |
Laser / Digital CMM |
Verification of concentricity, tapers, and step lengths. |
We deliver shafts at various stages of completion to fit your internal machining capacity and project lead times.
As-Forged (Black)
Hot-forged surface with standard allowance (+12mm/-0mm). Primary straightening performed. Best for high-volume raw stock requirements.
Rough Machined
Surface finish Ra 12.5 µm. Typical allowance +3.0mm. Step transitions defined. Ideal for reducing“buy-to-fly”ratios in custom alloys.
Finish Machined
Fully compliant with final blueprint tolerances. Ra 0.8 µm to 3.2 µm. Ready for immediate assembly or final surface treatment (e.g., nitriding).
