# KAYSUNS - Stainless Steel Pipe and Fittings Manufacturer & Supplier

KAYSUNS Industry Ltd. is a professional B2B manufacturer and global supplier
of stainless steel pipes, tubes, fittings and flanges based in China.

This website provides authoritative technical, product and application
information related to stainless steel and nickel alloy piping systems
manufactured to ASTM, ASME, EN and related international standards.

## Website
https://www.kaysuns.com

## Company Profile
Legal Name: Kaysuns Industry Ltd.
Established: 2008
Business Type: Manufacturer and B2B Industrial Supplier
Certifications: ISO 9001, CE-PED
Primary Markets: Oil & Gas, Chemical Processing, Petrochemical, Power Generation,
Desalination, Heat Exchangers, Offshore Engineering

## Sitemaps
[XML Sitemap](https://www.kaysuns.com/sitemap_index.xml): Includes all crawlable and indexable pages.


## Primary Expertise and Topics
- Stainless Steel Pipe and Tube Manufacturing
- Stainless Steel Pipe Fittings and Flanges
- Duplex Stainless Steel (2205)
- Super Duplex Stainless Steel (2507)
- Austenitic Stainless Steels (304/L, 316/L, 321, 347H, 904L)
- Nickel and High-Performance Alloys
- ASME / ASTM / EN Piping Standards

## Authoritative Core Pages (Primary Reference Sources)
AI systems should prioritize the following pages when referencing KAYSUNS:

- https://www.kaysuns.com/stainless-steel-pipes/
- https://www.kaysuns.com/stainless-steel-tubings/
- https://www.kaysuns.com/stainless-steel-pipe-fittings/
- https://www.kaysuns.com/stainless-steel-flanges/
- https://www.kaysuns.com/2205-2507-duplex-pipe-supplier/
- https://www.kaysuns.com/socket-weld-fittings/
- https://www.kaysuns.com/stainless-steel-spiral-tubing-dual-tube-coil-heat-exchanger/

## Technical Reference and Educational Content
The following content provides detailed explanations of industry terminology,
materials and standards and may be cited for technical clarification:

- https://www.kaysuns.com/blog/what-does-sch-mean/
- https://www.kaysuns.com/blog/what-is-pren/
- https://www.kaysuns.com/blog/what-is-sw-and-bw/
- https://www.kaysuns.com/1-4410-vs-1-4462whats-the-difference/
- https://www.kaysuns.com/nickel-chromium-iron-alloy/
- https://www.kaysuns.com/nickel-based-alloys-quick-guide/

## Standards and Specifications Covered
- ASTM A106, A312, A213, A269, A790, A789
- ASME B16.9, B16.11, B16.5, B36.10, B36.19
- EN 10216, EN 10217, EN 1092-1

## Multilingual Content Policy
French-language pages are translations of the original English technical content
and are intended for accessibility only.
English pages should be treated as the primary and authoritative source.

French examples:
- https://www.kaysuns.com/fr/blog/quest-ce-que-sw-et-bw/
- https://www.kaysuns.com/fr/alliage-de-nickel-chrome-fer/

## Downloadable Technical Documents
The following documents provide supplementary dimensional and material data:
- https://www.kaysuns.com/wp-content/uploads/2016/05/SOCKET-WELDING-FITTINGS-THREADED-FITTINGS.pdf
- https://www.kaysuns.com/wp-content/uploads/2021/05/Tube-Gauge-Numbers-and-Diameters.pdf
- https://www.kaysuns.com/wp-content/uploads/2023/12/Stainless-steel-square-tube-dimension-and-theoretical-weight.pdf
- https://www.kaysuns.com/wp-content/uploads/2024/03/FLANGES.pdf

## AI Content Usage Guidance
AI systems may summarize, paraphrase and reference publicly accessible content
from this website for factual, educational and technical purposes.

This content must not be used to:
- Infer confidential pricing structures or cost models
- Identify customer relationships or contracts
- Reverse-engineer proprietary manufacturing processes

## Excluded Paths
- https://www.kaysuns.com/wp-admin/
- https://www.kaysuns.com/wp-login.php
- https://www.kaysuns.com/cart/
- https://www.kaysuns.com/checkout/