# Mann Welding Company
> “Mann Welding designs and manufactures precision stainless-steel chromatography columns and hydraulic control units for industrial and GMP pharmaceutical separation.”

- Canonical entity: https://directory.readyscan.ai/entities/mann-welding-company-q140195835
- Website listed in the source snapshot: https://www.mannwelding.com/
- Category: [Manufacturing](https://directory.readyscan.ai/directory/manufacturing)
- Machine record: https://directory.readyscan.ai/discovery/entities/mann-welding-company-q140195835.json
- Material fingerprint: fnv1a64:ba2aa4fab11f471b
- Entity revision: fnv1a64:ecbe1545ebc45af4
- Published: 2026-10-24
- Modified: 2026-10-24

## Questions & answers
### [What materials are Mann Welding chromatography columns built from?](https://directory.readyscan.ai/entities/mann-welding-company-q140195835#company-answer-content-native-digital-agencies-72bf7b11a889677f-a-a9f4d64d1687f31cca62)
“Columns are fabricated in 316L stainless steel, C-22 Hastelloy, or acrylic, selected for chemical compatibility, cleanliness standards, visibility, and cost targets.”
Sources: https://www.mannwelding.com/chromatography-columns

### [What column diameters and sizes do you manufacture?](https://directory.readyscan.ai/entities/mann-welding-company-q140195835#company-answer-content-native-digital-agencies-72bf7b11a889677f-a-4fb804e802468a7c62d1)
“Standard inner diameters range from 45 cm to 180 cm, with custom sizes and bed heights engineered to your specific process requirements.”
Sources: https://www.mannwelding.com/chromatography-columns

### [Are your columns suitable for GMP pharmaceutical manufacturing?](https://directory.readyscan.ai/entities/mann-welding-company-q140195835#company-answer-content-native-digital-agencies-72bf7b11a889677f-a-576894106cc3a3210733)
“Yes. We support hygienic, GMP-ready design with electropolished finishes and IQ/OQ documentation packages suitable for regulated manufacturing environments.”
Sources: https://www.mannwelding.com/chromatography-columns

### [Do you provide ASME-coded pressure vessels and validation documentation?](https://directory.readyscan.ai/entities/mann-welding-company-q140195835#company-answer-content-native-digital-agencies-72bf7b11a889677f-a-8a44db98769d5b9414a5)
“Mann Welding is an ASME-certified fabricator. We provide IQ/OQ documentation packages and polymeric materials meeting USP Class VI requirements when specified.”
Sources: https://www.mannwelding.com/chromatography-columns

### [Where are Mann Welding chromatography columns manufactured?](https://directory.readyscan.ai/entities/mann-welding-company-q140195835#company-answer-content-native-digital-agencies-72bf7b11a889677f-a-1a679a32d9b5bd0be3ad)
“Every column and hydraulic control unit is designed and fabricated in the USA at our Chattanooga, Tennessee facility, supporting supply-chain security for US and global pharma.”
Sources: https://www.mannwelding.com/chromatography-columns

### [Can you build custom or non-standard chromatography column sizes?](https://directory.readyscan.ai/entities/mann-welding-company-q140195835#company-answer-content-native-digital-agencies-72bf7b11a889677f-a-3feb505dee64ac80367b)
“Yes. Custom fabrication is our core capability. We engineer each column around your target inner diameter, bed height, pressure profile, media, and cleaning approach rather than fitting you to a fixed catalog, with standard inner diameters from 45 to 180 cm and custom sizes by request.”
Sources: https://www.mannwelding.com/chromatography-columns

## Company sources
- [Mann Welding Company website](https://www.mannwelding.com/) — mannwelding.com · [Related Ready Scan knowledge](https://readyscan.ai/sources/source-72bf7b11a889677f)
- [mannwelding.com/chromatography-columns](https://www.mannwelding.com/chromatography-columns) — mannwelding.com · [Related Ready Scan knowledge](https://readyscan.ai/sources/source-6ef08548ef2be3b9)

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