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Column Shafts

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Sunmach is a trusted global manufacturer specializing in premium Custom Column Shafts designed to support massive suspended weights and transmit rotational power along a vertical axis. Standard, mass-produced shafts often fail to account for the unique stresses of vertical installations, resulting in excessive bowing, severe vibration, and destructive contact inside surrounding machinery casings. To prevent these mechanical failures, we translate custom client blueprints into high-performance physical components, holding straightness and balance to exceptionally close limits to guarantee smooth, quiet operation under the most demanding rotational loads. The exceptional durability of these vertical Custom Column Shafts is achieved through a careful selection of materials, including corrosion-resistant Stainless Steel Column Shafts and high-strength dual-phase alloys engineered to survive saltwater, chemical environments, and extreme operating temperatures. Every production batch is validated using structural computer modeling and thorough inspections to detect hidden internal flaws and ensure complete structural integrity. Each completed shaft is delivered with comprehensive certificates that trace the finished component directly back to the original raw metal melt, providing lifetime peace of mind in critical industrial operations.

Column Shafts product example

Column Shafts

Definition -A Column Shaft is a vertical rotating shaft used to transmit power and motion between components arranged one above the other. Its purpose is to carry rotation along a vertical axis while supporting loads and maintaining alignment. Column shafts are commonly used in pumps, elevators, drilling machines, and vertical drive systems in industrial machinery.

Sunmach is an internationally established producer and exporter of precision-engineered Column Shafts, manufactured using high-performance Nickel-based Alloys and corrosion-resistant Stainless Steel. Each Column Shaft is individually fabricated to match customer-approved engineering drawings and is produced in strict compliance with specified dimensional accuracy requirements. These fully customized shafting solutions are developed to perform reliably in highly demanding and mission-critical industrial environments.

We are an ISO 9001:2015 certified company, demonstrating our commitment to rigorous quality standards and consistent product excellence to deliver the best of the Nickel Alloys & Stainless Steel Column Shafts.

We make these Column Shafts from a range of high-performance & exotic materials such as : Hastelloy® C-276, Hastelloy® C-22, Hastelloy® B-2, Monel® 400, Monel® K-500, Inconel® 600, Inconel® 625, Inconel® 718, Titanium Grade 2, Titanium Grade 5, Titanium Grade 7, Duplex S31803, Duplex S32205, Super Duplex S32750 to various Stainless Steel grades of SS 304L, SS 316L SS 310, SS 310H, SS 347H, etc followed by Special Stainless Steel Grades such as 904L Stainless Steel, UNS N08904, DIN EN1.4539 Nitronic® 50, Nitronic® 60, UNS S21800, DIN EN, 254 SMO, UNS S31254, DIN EN 1.454, Stainless Steel 410 & Stainless Steel 420 etc.

Sunmach’s extensive manufacturing capabilities and In-Stock Genuine & Authentic Raw Material availability allows us to support demanding industrial requirements with durable, corrosion-resistant, heat resistant & reliable Shafts made from Genuine Nickel Alloys and Stainless Steel Material, delivered dot in time to any corner of the world, supported by all required test certificates and with 100% traceability.

Stainless Steel & Nickel Alloy Column Shafts Application Industries

Sunmach serves a diverse range of markets including Pump Industries, Chemical Processing, Semiconductor, Power Generation, Aerospace, Oil & Gas, Pharmaceutical, Food & Beverage, Marine, Pulp & Paper, Petrochemical & Refining, Air Pollution Control and Water Treatment.

Sizes

Maximum Diameter: 125mm Diameter
Maximum Length: 3050 mm
Maximum Weight: 300 Kgs (Finished Single Shaft)

Nickel Alloy Column Shafts Material Options

DUPLEX STAINLESS STEEL COLUMN SHAFTS

Duplex 2205, UNS S32205, S31803, UNS 31803, DIN EN 1.4462

SUPER DUPLEX STAINLESS STEEL COLUMN SHAFTS

Super Duplex 2507, UNS S32750, DIN EN 1.4410
Super Duplex S32760, UNS S32760, DIN EN 1.4501

HASTELLOY COLUMN SHAFTS

Hastelloy® C-276, UNS N10276, DIN EN 2.4819
Hastelloy® C-22, UNS N06022, DIN EN 2.4602
Hastelloy® B-2, UNS N10665, DIN EN 2.4617

INCONEL COLUMN SHAFTS

Inconel® 600, UNS N06600, DIN EN 2.4816
Inconel® 601, UNS N06601, DIN EN 2.4851
Inconel® 625, UNS N06625, DIN EN 2.4856
Inconel® 718, UNS N07718, DIN EN 2.4668

INCOLOY COLUMN SHAFTS

Incoloy® 800, UNS N08800, DIN EN 1.4876
Incoloy® 800H, UNS N08810, DIN EN 1.4958
Incoloy® 800HT, UNS N08811, DIN EN 1.4959
Incoloy® 825, UNS N08825, DIN EN 2.4858
Incoloy® 925, UNS N09925

STAINLESS STEEL 300 SERIES COLUMN SHAFTS

304 Stainless Steel, UNS S30400, DIN EN 1.4301
304L Stainless Steel, UNS S30403, DIN EN 1.4306
316 Stainless Steel, UNS S31600, DIN EN 1.4401
316L Stainless Steel, UNS S31603, DIN EN 1.4404
310S Stainless Steel, UNS S31008, DIN EN 1.4845
317L Stainless Steel, UNS S31703, DIN EN 1.4438
321 Stainless Steel, UNS S32100, DIN EN 1.4541
330 Stainless Steel, UNS N08330, DIN EN 1.4864

NICKEL COLUMN SHAFTS

Nickel 200, UNS N02200, DIN EN 2.4060, 2.4066
Nickel 201, UNS N02201, DIN EN 2.4061, 2.4068

TITANIUM COLUMN SHAFTS

Titanium Gr-2, UNS R50400, DIN EN 3.7035
Titanium Gr-5, UNS R56400, DIN EN 3.7164, 3.7165
Titanium Gr-7, UNS R52400, DIN EN 3.7235

MONEL COLUMN SHAFTS

Monel® 400, UNS N04400, DIN EN 2.4360
Monel® K-500, UNS N05500, DIN EN 2.4375

SPECIAL STAINLESS STEEL COLUMN SHAFTS

904L Stainless Steel, UNS N08904, DIN EN 1.4539 Nitronic 50 (XM-19), Nitronic® 60, UNS S21800, DIN EN 254 SMO, UNS S31254, DIN EN 1.4547 A4-80 Stainless Steel, Stainless Steel 410 & Stainless Steel 420

Frequently Asked Questions

Common questions about Sunmach SS Column Shafts

Stainless Steel Column Shafts provide an inherent, self-healing chromium oxide layer for permanent corrosion resistance without vulnerable coatings, plus superior structural density and torsional fatigue resistance.

Microscopic deviations in straightness or concentricity generate massive centrifugal imbalances at high velocities, forcing the shaft to wobble and destroy adjacent bearings and seals. Precision grinding eliminates these geometric errors.

We use heavy-duty CNC lathes, live-tooling turning centers, and precision cylindrical grinding equipment to produce shafts with intricate stepped profiles, keyways, splines, and customized surface roughness metrics.

These shafts are heavily specified for industrial fluid agitators, vertical turbine pumps, chemical mixing columns, marine propulsion drives, and automated material handling systems.

Every lot undergoes raw material verification, chemical composition analysis, ultrasonic testing for internal flaws, and automated dimensional tracking via CMM hardware, backed by inspection reports and Certificates of Conformance (CoC).