SP-15 · AJS ENGINEERING REFERENCE
Ductile iron grooved fittings selection guide
Ductile iron grooved fittings (GCD 450, ASTM A536 Grade 65-45-12) for carbon steel piping, joined with grooved couplings.
Product function
Ductile iron grooved fittings (GCD 450, ASTM A536 Grade 65-45-12) for carbon steel piping, joined with grooved couplings.
Selection criteria
The specification sheet states a maximum working pressure of 21 kgf/cm². Confirm listed or approved pressure ratings separately.
Items: 90°, 45°, 22.5° and 11.25° elbows, tees (grooved or threaded outlet), concentric and eccentric reducers, caps and flange adapters. 90° elbows cover DN25 (1") to DN200 (8").
Pipe and groove dimensions are referenced to TD-02 (cut groove) in the specification sheet.
Information for quotation
Provide the item (elbow, tee, reducer, cap or flange adapter), nominal size, outlet type (grooved or threaded) and quantity.
Include the grooving method (roll or cut) and the coupling model to be used so that compatibility can be reviewed together.
Contact AJS for sizes, materials or made-to-order items not listed.
Continue to the product & specification
Grooved fittings ↗Downloads 1
Edited AJS review briefs and reviewed public documents. Check the source and scope of each file. Check covered models, issue dates and validity before using certificates, test reports or installation instructions.
- Ductile iron grooved fittings selection guideHTML · 4 KB · AJS bilingual review brief
Source, revision & language
Retrieved: 2026-10-27 · Document revision: see original
AJS · Review guide ↗
This edited purchasing and design review brief includes Korean and English.