SS 316 / 316L / 316Ti Threaded Rods Manufacturer & Exporter in India

Explore SS 316 / 316L / 316Ti Threaded Rods Manufacturer & Exporter in India manufactured for demanding industrial applications with reliable strength, corrosion resistance and compliance with international standards.

-196

Min Temp

870

Max Temp

🌡

870

Suitable for continuous service up to approximately 870°C under typical operating conditions.

⚡

620

Typical tensile strength around 620 MPa depending on product form and heat treatment.

🛡

Very Good

Very Good corrosion resistance in a wide range of industrial environments.

⚖

8

Typical density is approximately 8.0 g/cm³.

Product Overview

What are SS 316 / 316L / 316Ti Threaded Rods?

SS 316 / 316L / 316Ti threaded rods are austenitic stainless steel fasteners manufactured from UNS S31600, S31603, and S31635 bar stock conforming to ASTM A276 and ASTM A479. The addition of molybdenum (2.0-3.0%) to the chromium-nickel base provides significantly enhanced resistance to chloride pitting and crevice corrosion compared to standard 304-series stainless steel.

The 316L variant limits carbon to 0.030% maximum, eliminating sensitisation risk in welded assemblies without post-weld heat treatment. The 316Ti grade stabilises the alloy with titanium (0.70% max) to prevent intergranular corrosion in the 425-870°C sensitisation range. SS 316 / 316L / 316Ti threaded rods are widely specified under ASTM A193 B8M for pressure vessel and piping flange connections, chemical process equipment, and marine structural applications worldwide.

Quick Specifications

Material	SS 316 / 316L / 316Ti
UNS Number	S31600 / S31603 / S31635
DIN Number	1.4401 / 1.4404 / 1.4571
Material Standard	ASTM A276 / ASTM A479
Threaded Rod Standard (Metric)	DIN 975 / DIN 976 / ISO 4032
Threaded Rod Standard (Inch)	ASME B18.31.3 / ASTM A193 B8M
Thread Form	ISO Metric / UNC / UNF
Diameter Range	M6-M100 / ¼"-4"
Tensile Strength	515 MPa (75 ksi) min
Yield Strength	205 MPa (30 ksi) min
Hardness	Max 95 HRB / 217 HB

? All material certified by NABL-accredited laboratory. PMI available on request.

Complete the Fastener Set

Other SS 316 / 316L / 316Ti Fastener Products Available from RealBolt

RealBolt also manufactures the complete SS 316 / 316L / 316Ti fastener range from certified bar stock per ASTM, including Bolts, Nuts, Screws, Washers, and Studs in all standard configurations. All SS 316 / 316L / 316Ti fastener types ship with EN 10204 MTC 3.1/3.2 documentation and are available in standard sizes and custom-machined specials.

SS 316 / 316L / 316Ti Bolts

SS 316 / 316L / 316Ti Nuts

SS 316 / 316L / 316Ti Screws

SS 316 / 316L / 316Ti Washers

SS 316 / 316L / 316Ti Studs

Technical Data

SS 316 / 316L / 316Ti Threaded Rods Dimensions, Sizes & Thread Standards

SS 316 / 316L / 316Ti Threaded Rods are available in metric M6–M100 and inch ¼″–4″ as standard. Per DIN 975 (full thread rod) / DIN 976 (stud bolt rod) / ISO 4032. Custom lengths available. Inch dimensions per ASME B18.31.3 and ASTM A193 B8M.

Threaded Rod Dimensions - Metric (DIN 975 / DIN 976)

Size (M)	Pitch (mm)	Nom. Dia (mm)	Tolerance	Min L (mm)	Max L (mm)
M6	1.0	6.0	6g	1000	3000
M8	1.25	8.0	6g	1000	3000
M10	1.5	10.0	6g	1000	3000
M12	1.75	12.0	6g	1000	3000
M16	2.0	16.0	6g	1000	3000
M20	2.5	20.0	6g	1000	3000
M24	3.0	24.0	6g	1000	3000
M30	3.5	30.0	6g	1000	3000
M36	4.0	36.0	6g	1000	3000
M42	4.5	42.0	6g	1000	3000
M48	5.0	48.0	6g	1000	3000
M56	5.5	56.0	6g	1000	3000
M64	6.0	64.0	6g	1000	3000
M72	6.0	72.0	6g	1000	3000
M80	6.0	80.0	6g	1000	3000
M100	6.0	100.0	6g	1000	3000

Dimensional & Material Standards

Standard	Covers	Thread
DIN 975	Fully threaded rod, 1 m / 2 m / 3 m lengths	Metric
DIN 976-1	Stud bolt rod, metric coarse	Metric
ISO 4032	Hex nuts for threaded rod assemblies	Metric
ASME B18.31.3	Continuous threaded rod, inch	UNC/UNF
ASTM A193 B8M	Alloy steel and SS bolting for high-temp service	UNC
ASTM A320 B8M	Alloy steel bolting for low-temp service	UNC
ASME B16.5	Stud bolt sets for flanged connections	UNC

Material Standard	Requirement
ASTM A276	Bar/rod - UNS S31600 / S31603 / S31635
ASTM A479	SS bar for pressure vessel use
ASTM A193 B8M	Fastener mechanical - Class 1 & Class 2
EN 10204 3.1	Mill test certificate
EN 10204 3.2	TPI-witnessed MTC

Material Chemistry

SS 316 / 316L / 316Ti Chemical Composition

SS 316 / 316L / 316Ti Threaded Rods are manufactured from an iron-chromium-nickel alloy with chromium (16–26%), nickel (8–28%), and grade-specific molybdenum additions per ASTM and ASTM A193/A194. Chromium content governs the self-healing passive oxide film; molybdenum (2–6%) enhances chloride pitting resistance; and carbon content determines sensitization risk in welded assemblies.

Chemical Composition per ASTM A276 / EN 10088-3

Element	SS 316 (S31600)	SS 316L (S31603)	SS 316Ti (S31635)
Carbon (C)	0.08% max	0.030% max	0.08% max
Chromium (Cr)	16.0-18.0%	16.0-18.0%	16.0-18.0%
Nickel (Ni)	10.0-14.0%	10.0-14.0%	10.0-14.0%
Molybdenum (Mo)	2.0-3.0%	2.0-3.0%	2.0-3.0%
Titanium (Ti)	-	-	5×C min / 0.70% max
Manganese (Mn)	2.0% max	2.0% max	2.0% max
Silicon (Si)	0.75% max	0.75% max	0.75% max
Phosphorus (P)	0.045% max	0.045% max	0.045% max
Sulphur (S)	0.030% max	0.030% max	0.030% max
Nitrogen (N)	0.10% max	0.10% max	0.10% max

? All heats verified by NABL-accredited spectrometry. PMI available on request.

Why SS 316 / 316L / 316Ti Alloy Composition Matters for Threaded Rods

Mo (2.0–3.0%) — Pitting & Crevice Resistance

Molybdenum raises the PREN of 316-series stainless to approximately 24–26, providing meaningful resistance to chloride pitting in coastal, marine, and mild chemical environments where 304 stainless fails rapidly. This is the defining advantage of 316 threaded rods over standard 304 rods in exposed structural and process applications.

Low Carbon in 316L — Weld Sensitisation Prevention

Limiting carbon to 0.030% maximum in 316L prevents chromium carbide precipitation at grain boundaries during welding. Threaded rods welded into structural frames or process assemblies retain full corrosion resistance in the heat-affected zone without requiring post-weld annealing — a critical advantage for fabricated equipment.

Titanium Stabilisation in 316Ti — High-Temperature Integrity

The titanium addition in 316Ti (5×C minimum) preferentially combines with carbon, preventing sensitisation during prolonged service in the 425–870°C range. This makes 316Ti threaded rods the correct choice for heat exchanger tie rods, furnace structural connections, and any application involving repeated thermal cycling through the sensitisation temperature band.

Fastener Performance

SS 316 / 316L / 316Ti Threaded Rods Mechanical Properties & Torque Reference

The table below lists mechanical properties and torque reference for SS 316 / 316L / 316Ti Threaded Rods per ASTM. SS 316 / 316L / 316Ti threaded rods achieve 620 MPa tensile strength, with hardness, yield, and elongation values verified by NABL-accredited testing and reported in the EN 10204 MTC.

Tightening Torque Reference - SS 316 Threaded Rod Assemblies

Rod Size	Dry (Nm)	Lubricated (Nm)	Clamp Load (kN)
M8	18	14	8
M10	36	29	14
M12	62	50	22
M16	150	120	54
M20	295	236	86
M24	510	408	124
M30	1020	816	198
M36	1780	1424	288

?? Anti-galling: SS 316 threaded rods are prone to galling under high torque. Always use molybdenum disulphide or PTFE-based anti-seize. Lubricated values assume K=0.17. Never dry-torque stainless threaded rod assemblies without lubrication - thread seizure is irreversible.

Industry Applications

SS 316 / 316L / 316Ti Threaded Rods Applications — Industries & End Uses

SS 316 / 316L / 316Ti Threaded Rods from RealBolt are specified across food and dairy, pharmaceutical, marine, chemical processing, and oil and gas where very good corrosion resistance and 620 MPa tensile strength are required for reliable fastener performance. Click each industry below for detailed application examples.

Chemical & Petrochemical Processing

SS 316 and 316L threaded rods are the standard fastening solution for chemical reactor tie rods, heat exchanger shell connections, pressure vessel closure studs, and pipe rack structural members in phosphoric acid, acetic acid, and chloride-bearing process environments. 316L is preferred for welded assemblies; 316Ti is specified where service temperatures exceed 425°C.

Marine & Coastal Infrastructure

Fully threaded 316 rods are widely used in marina pontoon connections, offshore platform grating supports, seawall anchor systems, and coastal bridge structural tie rods. The molybdenum content provides adequate resistance to atmospheric chloride corrosion in splash-zone and tidal environments where 304 stainless corrodes within months.

Water Treatment & Desalination Plants

SS 316 threaded rods are specified for membrane housing tie rods, filter press frame assemblies, clarifier mechanism connections, and reverse osmosis pressure vessel end-cap fastening in municipal water treatment and seawater desalination facilities. 316L is preferred for welded frame structures to avoid sensitisation in chlorinated water service.

Food, Beverage & Pharmaceutical Equipment

316L threaded rods meet FDA and EC 1935/2004 food contact material requirements and are used in food processing equipment frames, pharmaceutical reactor tie rods, clean-room structural connections, and hygienic conveyor systems. The low carbon content and smooth surface finish (Ra = 0.8 µm available) prevent bacterial adhesion and facilitate CIP cleaning.

SS 316 / 316L / 316Ti Threaded Rods Standards & International Certifications

SS 316 / 316L / 316Ti Threaded Rods from RealBolt Engineering Industries are manufactured to internationally recognised fastener dimensional standards covering thread form, tolerances, strength grades, and quality requirements. Every batch ships with EN 10204 MTC 3.1/3.2, IS 12427 compliance, ISO 3506 material certification, NACE MR0175, and PMI (XRF) reports — available on request for all orders.

Standards

DIN 975 DIN 976-1 ASME B18.31.2 IS 1367 IS 1364 IS 12427

Certifications

ISO 9001:2015PED 2014/68/EUNABL LabMTC 3.1 / 3.2RoHS Compliant

Buy SS 316 / 316L / 316Ti Threaded Rods from India's Leading Manufacturer — Get a Competitive Quote Today

Partner with RealBolt — India’s leading manufacturer of certified SS 316 / 316L / 316Ti Threaded Rods — for competitive pricing, EN 10204 MTC 3.1/3.2 documentation, and fast Mumbai dispatch. Standard sizes are ex-stock; custom dimensions accepted with 2–3 week lead time. Request your quote today.

Answers for Buyers

SS 316 / 316L / 316Ti Threaded Rods — Frequently Asked Questions

Browse expert answers to common questions about SS 316 / 316L / 316Ti Threaded Rods from RealBolt — covering ASTM A193/A194 grades, chloride resistance, temperature limits, sensitization, sizes, and MTC documentation. Contact our technical team directly for project-specific guidance on SS 316 / 316L / 316Ti threaded rods selection and pricing.

What is the difference between SS 316, 316L, and 316Ti threaded rods?

All three grades share the same chromium-nickel-molybdenum base composition and offer similar corrosion resistance at ambient temperature. The key differences are: SS 316 is the standard grade suitable for most general applications. SS 316L limits carbon to 0.030% maximum, making it the correct choice for welded assemblies where post-weld heat treatment is not possible – the low carbon prevents sensitisation and intergranular corrosion in the heat-affected zone. SS 316Ti adds titanium as a stabiliser (5×C minimum), preventing sensitisation during prolonged service at 425-870°C. For ambient-temperature applications without welding, all three grades perform identically. For welded structures, specify 316L. For high-temperature service above 425°C, specify 316Ti.

What thread standards are available for SS 316 threaded rods?

SS 316 / 316L / 316Ti threaded rods are available in metric coarse thread per DIN 975 and DIN 976-1 (M6 through M100), metric fine thread on request, and inch UNC thread per ASME B18.31.3 (¼” through 4″). Standard stock lengths are 1 m, 2 m, and 3 m. Cut-to-length service is available in 1 mm increments. Custom thread forms including BSW, BSF, and BSPP are available with 10-15 working day lead time. All metric threads are manufactured to 6g tolerance class per ISO 965-1.

How do I prevent galling when assembling SS 316 threaded rod connections?

Galling is the primary assembly risk with stainless steel threaded rods and is caused by adhesive wear between mating stainless surfaces under high contact pressure. To prevent galling: always apply a suitable anti-seize lubricant – PTFE-based paste, molybdenum disulphide grease, or Bostik Never-Seez (standard grade) are all effective. Reduce assembly torque by 15-20% compared to dry values. Assemble at slow, steady speed – avoid impact wrenches for final tightening. Use 316 stainless nuts with a hardness differential where possible, or specify A4-80 nuts against A4-70 rods. Never dry-torque stainless threaded rod assemblies – thread seizure is permanent and the rod must be cut out.

What certifications and test reports are available with SS 316 threaded rods?

Standard supply includes EN 10204 3.1 Mill Test Certificate covering chemical composition and mechanical properties, traceable to the original mill heat number. EN 10204 3.2 TPI-witnessed certificates are available on request for nuclear, pressure vessel, and offshore applications. Additional testing available includes PMI (positive material identification) by XRF on 100% of pieces, intergranular corrosion testing per ASTM A262 Practice E (for 316L welded applications), hardness survey reports, and dimensional inspection reports. All testing is performed by NABL-accredited third-party laboratories.

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