One product category, covered in full depth — 20 structural and feature classifications, 22 material grades, and every governing code from TEMA to PED. Engineering-led quoting for EPC contractors and OEM procurement teams across 18+ export markets.
All 20 structural and feature classifications
0212 families, 22 grades, full datasheets
0316 sectors, dominant failure mode by sector
0418+ export markets with local standards notes
05TEMA, ASME, ASTM, DIN, API — how they stack
06Design, tolerances, failure analysis
076 free live engineering tools
08Procurement, materials and standards guides
Watch what a tube sheet is actually doing — a cooling fluid flows through the shell one way, a hot process fluid flows through the tubes the other way, and the tube sheet is the wall that keeps them from ever touching.
The tube sheet at the left is the only thing standing between them. Every hole in it is a potential leak path — which is exactly why the material, thickness, and joint method matter as much as they do.
Pick a structural type, a material, and an industry — get a real specification sentence and links straight to the matching pages, pulled from the same data as the rest of this site.
Four typical procurement scenarios — illustrative, not verbatim client stories — showing how the product, material, and standard choices on this site come together in practice.
An EPC contractor needs Floating tube sheets in Duplex 2205 with NACE MR0175 compliance for a sour-gas platform, on a fixed installation window.
A desalination plant's brine concentrate stage exceeds 2205's chloride margin — the project moves to Super Duplex 2507 for the final condenser bank.
A shipyard retrofitting a seawater condenser wants the lightest corrosion-resistant option that still clears classification-society approval.
A plant running frequent startup/shutdown cycles needs a stabilized stainless grade that won't sensitize at the weld from repeated thermal swings.
Quality management system
Mill test certification on every order
Every enquiry reviewed before quoting
GCC, EU, Americas, APAC
Crawlable index of every country page — local standards, ports and RFQ notes for EPC and OEM buyers.
Send your diameter, material, pressure class and destination — NPRO India will confirm the full specification and price, not just a generic price list.
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