ASTM F594 Nuts Spotlight
Mortec At A Glance
Established
Since 2012 • 15+ yrs experience
Manufacturing Units
2 in-house units • Taloja & Mazgaon
Stockyard Area
8,850+ sq.ft • Ready-stock inventory
Certifications
ISO 9001:2015, PED • GST, IEC & MSME
Clientele
100+ clients • India & export markets
Export Reach
15+ countries • Europe, GCC & APAC
Testing Offered
Tensile, hardness & PMI • MTC EN 10204 3.1
Shipment Documents
Invoice, Packing List • COO, COI, MTC, BL & Lab Report
Table of Content
Manufacturer of ASME SF594 Stainless Steel Hex Nut in India, Refer Dimension
A finished hex nut earns its keep only with correct alloy, condition and rating. We machine and forge ASTM F594 Finished Hex Nuts in-house at our Mumbai facility. This lets us hold tight lot control on chemistry and proof stress consistently. Volume buyers also get genuine factory pricing on every completed order we ship. Alongside F594 stock, we produce the matching ASTM F593 Bolts these nuts pair with. This means a complete corrosion-resistant joint can ship in one single consignment.
Refineries, desalination skids and structural fabricators across India and overseas rely on us. Every ASME F594 Hex Nuts batch carries heat-number traceability back to the raw bar. We also keep Grade F594 Acorn Nuts on the shelf for finished-look requirements. ASTM F594D Lock Nuts and ASTM F594G Square Nuts are stocked for locking joints. No special production run is needed for buyers needing these standard nut variants. Each dispatch leaves our plant tested, marked and packed to your drawing's condition.
ASTM F594 Nuts Specification
Send us your ASTM F594 Finished Hex Nuts list for same-day ex-Mumbai pricing.
F594 Nut Marking & Identification
- Grade letter (A–H) and maker ID on face
- Heat and lot number traceable to raw bar
ASME SF594 Hex Nut Testing & Documentation
- Proof load, hardness and PMI per lot
- Salt-spray test report on request
Stainless F594 Nuts Surface Finish
- Bright machined, passivated per ASTM A967
- Black-oxide or dry-film option on request
F594 Nuts Delivery Condition
- Loose, boxed, bin-packed or vacuum-sealed
- Kitted with matching F593 bolts and washers
F594 Group 2 Nuts Sour & Wet H2S Duty
- NACE MR0175 / MR0103 qualified stock
- ISO 15156 material available on request
Non-Magnetic & Anti-Galling F594 Nuts
- Low-permeability Group 1 & 2 stock
- Nitronic 60 anti-galling option on request
ASME SF594 Stainless Steel Hex Nuts Dimensions
Certified supplier of ASME F594 Hex Nuts with proven resistance to fatigue.
| Nominal Size | Thread (UNC) | Across Flats (Max) | Thickness (Max) | F594 Marking |
|---|---|---|---|---|
| ¼″ | 20 | 7/16″ | 0.226″ | A / B / C / E / F / G |
| 3/8″ | 16 | 9/16″ | 0.337″ | A / B / C / E / F / G |
| 1/2″ | 13 | 3/4″ | 0.448″ | A / B / C / E / F / G |
| 5/8″ | 11 | 15/16″ | 0.559″ | A / B / C / E / F / G |
| 3/4″ | 10 | 1–1/8″ | 0.665″ | A / B / D / E / F / H |
| 1″ | 8 | 1–1/2″ | 0.887″ | A / B / D / E / F / H |
| 1–1/4″ | 7 | 1–7/8″ | 1.094″ | A / B / D / E / F / H |
| 1–1/2″ | 6 | 2–1/4″ | 1.317″ | A / B / D / E / F / H |
ASTM F594 Nuts Manufacturer In Mumbai Since 2012
Send us your nut size, grade letter and quantity, we quote ex-stock the same business day.
F594 Nut Types
Mortec Manufacturing Co is a trusted ASTM F594 Nuts Manufacturer in India offering ex-stock hardware.
ASTM F594 Finished Hex Nuts — Group 1 (304)
Condition AF, A, CW1, CW2- General corrosion-resistant workhorse grade
- Matches ASTM F593A–D bolts
ASME F594 Hex Nuts — Group 2 (316)
Condition AF, A, CW1, CW2- Molybdenum-bearing, chloride-resistant grade
- Matches ASTM F593E–H bolts
ASTM F594D Lock Nuts
Condition CW2 • Prevailing Torque- Nylon-insert or all-metal prevailing torque
- Vibration-resistant flange and pipe joints
Grade F594 Acorn / Dome Nuts
Cap-Style • Bright Finish- Closed dome hides the stud end
- Common on visible handrail and facade work
ASTM F594G Square Nuts
Group 1 / 2 • Legacy Pattern- Anti-rotation fit for older bolt patterns
- Used on track hardware and timber fixings
ASTM F594H Slotted Nuts & Castle Nuts
Cotter-Pin Locking- Slots align for a cotter-pin safety lock
- Used on rotating and safety-critical joints
ASTM F594D Hexagon High Nuts & Jam Nuts
Thin Profile • Locking Assist- Thin jam form backs up a primary nut
- Tall hex high-nut option for extra thread engagement
ASTM F594H Barrel Nut & Coupling Nuts
Rod-Coupling Form- Joins two threaded rod lengths in line
- Also supplied as ASTM F594G Lug Nuts for wheel duty
Stocked & Dispatched Across The Middle East & GCC
Ex-stock F594 nut kits and mill-order dispatch to buyers across the Gulf and Turkey.
Dubai, UAEAbu Dhabi, UAE
Riyadh, KSA
Istanbul, TurkeyF594 Stainless Steel Dome Nuts Chemical Composition
Group 1 (304) and Group 2 (316) cover most ASTM F594 Nuts ordered today.
Stainless Steel F594 Nuts Mechanical Properties
Values below cover standard hex and ASTM F594D Hexagon High Nuts.
Rockwell hardness runs B85 max (AF), B65–95 (A), B95–C32 (CW1) and B80–C32 (CW2).
ASTM F594 Nuts Material Equivalent
F594 Group 1 and Group 2 carry equivalent designations in major metric standards.
ASTM / ASME (USA)
- UNS S30400 (Group 1) / S31600 (Group 2)
- ASTM F594, ASME SF594
- Mating bolt: ASTM F593
ISO / DIN (Europe)
- ISO 3506-2 Class A2-70 / A2-80 (Group 1)
- ISO 3506-2 Class A4-70 / A4-80 (Group 2)
- Dimensional: DIN 934 / EN ISO 4032
JIS (Japan)
- JIS B1181 Hex Nuts
- SUS304 (Group 1) / SUS316 (Group 2)
High-Temperature Counterpart
- ASTM A194 Grade 8 (304) / Grade 8M (316)
- Heavy hex only, 80 ksi proof stress all sizes
ASME SF594 Stainless Steel Hex Nut Exporter In India To Jebel Ali, UAE
Heat-numbered cartons keep every nut lot traceable through Jebel Ali customs clearance.
F594 Group 2 Nuts NACE MR0175 / ISO 15156 Sour-Service Compliance
The most-asked compliance question from UAE and GCC wellhead and gathering-line buyers.
Stocked & Dispatched Across Africa
Container-ready F594 nut kits for buyers across Southern and East Africa.
Durban, South AfricaSaldanha Bay, SA
Kampala, UgandaSeawater & RO Desalination-Duty 316 Grade F594 Nuts
A frequent specification check from Durban and Saldanha Bay coastal fabricators.
F594 Nuts Corrosion Resistance For Water Treatment & Mining Duty
A regular query from Mombasa water-infrastructure and mineral-processing buyers before ordering.
Stocked & Dispatched Across The Americas & Europe
Growing F594 nut supply lines into North and South America and Western Europe.
Toronto, CanadaHouston, USA
Mexico
Caracas, Venezuela
London, UK
Rotterdam, NetherlandsHamburg, Germany
Genoa, ItalyASTM F594 Nuts Cold-Climate Toughness & Sub-Zero Assembly
A frequent pre-order check from Canadian pipeline and cold-storage contractors.
ASME SF594 Hex Nut Delivery Estimate
Approximate transit windows for ASTM F594H Barrel Nut and hex nut orders.
Ex-Stock Dispatch
- Ships within 24–48 hours from Mumbai stock
Sea Freight
- 18–32 days port-to-port, region dependent
Air Freight
- 4–7 days for urgent maintenance orders
Country-Specific ETA
- Finalized on your quotation once the port is set
Stocked & Dispatched Across Asia-Pacific
Regional distribution reaching Southeast Asia’s process and marine-fabrication hubs.
Singapore
Bangkok, Thailand
Port Klang, Malaysia
Manila, Philippines
Jakarta, Indonesia
Ho Chi Minh City, VietnamGrade F594 Acorn Nuts Supplier In Durban, South Africa - NACE MR0175 Compliant
Salt-spray tested Group 2 stock ships ready for coastal and desalination duty.
ASTM F594 Nut Supply References
A sample of recent F594 nut dispatches across our Middle East, Africa, Americas and Asia-Pacific customer base.
M16 F594 Group 2 (316) Hex Nuts — RO Desalination Skid Assembly
NACE MR0175, third-party witnessed, EN 10204 3.1 MTC.
Desalination EPC Contractor, UAE
FUJAIRAH, UAEM12 ASTM F594D Heavy Hex Lock Nuts — Offshore Platform Deck Bolting
Full PMI and proof-load traceability.
Offshore Fabrication Yard, South Africa
SALDANHA BAY, SOUTH AFRICA3/4″ F594 Group 1 (304) Hex Nuts — Cold-Storage Pipeline Support Frames
Sub-zero toughness certified, MTC 3.1.
Industrial Refrigeration Contractor, Canada
EDMONTON, CANADAM20 Grade F594 Acorn Nuts — Architectural Handrail & Facade Fixing
Bright passivated finish, batch traceable.
Structural Fabricator, Singapore
SINGAPOREBuy ASTM F594D Lock Nuts and Acorn Nuts with Sizes 1/4 to 1 1/2 inches for General Service
ASTM F594H Slotted Nuts Applications & Industries
ASTM F594G Lug Nuts and hex nuts serve these industries most often.
ASTM F594 Nuts FAQs
Quick answers to the questions buyers ask us most before placing an F594 Nuts order.
Are ASTM F594 Finished Hex Nuts available in all alloy groups?
Yes, finished hex nuts stocked in Group 1 and Group 2 alloys.
Do ASME F594 Hex Nuts meet the same dimensional standard as ASTM?
Yes, ASME SF594 follows identical ASME B18.2.2 dimensional standards as ASTM F594.
Are ASTM F594G Lug Nuts available for wheel-mounting applications?
Yes, lug nut form supplied for automotive and transport wheel duty.
Do you stock ASTM F594H Barrel Nut and Slotted Nuts?
Yes, both barrel coupling nuts and cotter-pin slotted nuts are stocked.
What is the benefit of ASTM F594D Hexagon High Nuts?
Tall hex profile gives extra thread engagement for high-load joints.
Authorized Supplier For The Following Companies - Material At Reseller Price For Traders
