Column Body

Product Specifications

Technical details and manufacturing context for Column Body

Definition

The column body is the primary structural element of a column, typically cylindrical or rectangular in shape, that serves as the main support structure. It houses and protects internal components such as heating elements, insulation, and process chambers while providing structural integrity to withstand operational pressures and temperatures. In industrial machinery, the column body is a critical part that must be precisely manufactured to ensure proper alignment and function. It is available in materials such as stainless steel, carbon steel, and alloy steel, with material grades like 45# carbon steel per GB/T 699. Standard dimensional ranges include outer diameters from 50 to 200 mm, wall thicknesses from 5 to 20 mm, and lengths from 500 to 3000 mm, though custom lengths are available. Surface treatments include zinc plating with thicknesses of 0.02 to 0.05 mm. Straightness tolerance is 0.05 to 0.10 mm per meter per ISO 1101, and surface roughness for functional surfaces is Ra 1.6 to 3.2 µm per ISO 1302. After quenching and tempering, hardness is HB 170 to 217 per GB/T 231.1. Operating temperature range is -20 to 80°C, maximum load capacity is 10 to 50 tons depending on diameter and wall thickness, and weight per unit length is 50 to 500 kg. These values are reference ranges; actual specifications must be confirmed with the manufacturer for the specific model and application. The column body is designed to meet various industrial standards, but compliance should be verified with the supplier.

Working Principle

The column body functions as a pressure vessel and structural support, containing the process environment and maintaining separation between internal components and external conditions. It provides mounting surfaces for other column components and ensures proper alignment of internal elements. The body must withstand operational pressures and temperatures while maintaining dimensional stability. Its design allows for integration with seals, heating elements, and process chambers, and it must be manufactured to tight tolerances to ensure reliable operation. The column body also serves as a protective enclosure, shielding internal mechanisms from external contamination and mechanical damage.

Common Materials

Stainless Steel, Carbon Steel, Alloy Steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Outer Diameter	50–200 mm	Standard range for column bodies
Wall Thickness	5–20 mm	Affects structural strength
Length	500–3000 mm	Custom lengths available
Material Grade	45#	Carbon steel; other grades on requestGB/T 699
Surface Treatment	0.02–0.05 mm	Zinc plating thickness
Straightness Tolerance	0.05–0.10 mm/m	Per meter lengthISO 1101
Surface Roughness	Ra 1.6–3.2 µm	Functional surfacesISO 1302
Hardness	HB 170–217	After quenching and temperingGB/T 231.1
Operating Temperature	-20–80 °C	For standard seals
Max Load Capacity	10–50 t	Depends on diameter and wall thickness
Weight	50–500 kg	Per unit length

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Flange Connections Part
Provide attachment points for piping and other components

Material: Steel
Support Rings Part
Reinforce structural integrity and provide mounting surfaces

Material: Steel
Insulation Layer Part
Maintain temperature control and prevent heat loss

Material: Ceramic Fiber or Mineral Wool
Vessel Body
The pressure-retaining shell that actually contains the process environment and carries the internals.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Column

View system integration details

Manufacturers of Column Body

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 6 September 2026

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Frequently Asked Questions

What materials are available for column bodies?

Column bodies are typically made from stainless steel, carbon steel, or alloy steel. Material grades such as 45# carbon steel per GB/T 699 are common, but other grades may be available on request. Confirm the exact material grade with the supplier for your application.

What are the standard dimensional ranges for column bodies?

Standard outer diameters range from 50 to 200 mm, wall thicknesses from 5 to 20 mm, and lengths from 500 to 3000 mm. Custom lengths are available. These are reference ranges; actual dimensions must be verified with the manufacturer.

What surface treatments and tolerances are specified?

Surface treatment includes zinc plating with a thickness of 0.02 to 0.05 mm. Straightness tolerance is 0.05 to 0.10 mm per meter per ISO 1101, and surface roughness for functional surfaces is Ra 1.6 to 3.2 µm per ISO 1302. Verify these values for the specific model.

What are the operating limits for column bodies?

The operating temperature range is -20 to 80°C. Maximum load capacity is 10 to 50 tons depending on diameter and wall thickness. Hardness after quenching and tempering is HB 170 to 217 per GB/T 231.1. Always confirm these limits with the supplier for your specific application.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	0 to 150 bar
flow rate:	Up to 500 m³/h
temperature:	-40°C to 200°C
slurry concentration:	Up to 40% solids by weight

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards