SS 316 & 316L Valves Manufacturer, Supplier & Exporter

Industrial ASME B16.34 grade SS 316 and 316L stainless steel valves ready for dispatch from stock

Technical Product Details

Material Grade	Molybdenum-Bearing Austenitic Stainless Steel 316 / 316L (UNS S31600 / S31603 \| Werkstoff 1.4401 / 1.4404)
Governing Specifications	ASME B16.34, API 600, API 602, API 6D, BS EN ISO 17292, ASTM A351 (CF8M / CF3M), ASTM A182 (F316 / F316L)
Supply Configurations	Cast Body Valves, Forged Body Valves, Flanged Ends (RF, RTJ), Threaded Ends (NPT/BSPT), Socket Weld (SW) Ends
Dimensional Scope	Size Range: 1/2" to 14" (DN15 to DN350) \| Pressure Ratings: Class 150#, 300#, 800#, 1500#
In-House Quality Verification	100% PMI spectro testing, API 598 hydro/pneumatic seat checks, Rockwell/Brinell hardness testing, micrometer/caliper dimensional checks, and Ultrasonic Testing (UT).

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Table of Contents

SS 316 / 316L Valves Overview
Technical Specifications
Types of SS 316 / 316L Valves Available
Pressure-Temperature Performance Parameters
Key Advantages of SS 316 / 316L Valves
Key Industrial Applications
Chemical Composition & Mechanical Properties
Global Supply & Export Network
Frequently Asked Questions
Get a Quote for SS 316 / 316L Valves

SS 316 / 316L Valves Overview

Nirvaan Overseas is a premier SS 316 Valves Manufacturer in India, precision-engineering cast (ASTM A351 CF8M/CF3M) and forged (ASTM A182 F316/F316L) industrial valves. Enriched with 2.0–3.0% Molybdenum, Grade 316 provides exceptional resistance to chloride pitting and harsh chemical media across Class 150# to 1500# systems.

As a leading Stainless Steel 316 Valves Manufacturer in India, every valve undergoes 100% API 598 hydrostatic shell and seat testing to guarantee zero-leakage performance. All dispatches are supplied with complete EN 10204 3.1 MTCs, heat traceability, and third-party inspection reports.

Operating as a globally trusted SS 316 Valves Exporter, we regularly ship certified valve packages across Saudi Arabia, UAE, Qatar, Oman, Kuwait, Germany, Italy, Singapore, Malaysia, and the United States.

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Technical Specifications

Parameter	Technical Details
Standards	ASME B16.34, API 600, API 602, API 6D, BS EN ISO 17292, API 598
Material Grades	ASTM A351 Grade CF8M / CF3M (Cast), ASTM A182 Grade F316 / F316L (Forged)
Pressure Class	Class 150#, 300#, 800# (Forged), 1500#
Size Range	1/2" to 14" (DN15 to DN350)
End Connections	Flanged Ends (RF, RTJ), Threaded Ends (NPT, BSPT), Socket Weld Ends (SW)
Seat / Trim Options	PTFE, RPTFE, Devlon, Stellite Hardfaced, Flexible Graphite
Testing Compliance	API 598 (Hydrostatic Shell & Seat, Pneumatic Seat Test), ISO 5208

Types of SS 316 / 316L Valves Available

SS 316 Ball Valves

SS 316 Globe Valves

SS 316 Check Valves

SS 316 Needle Valves

SS 316 Butterfly Valves

SS 316 Ball Valves: Engineered for full-bore flow and quarter-turn isolation, delivering bubble-tight shutoff in aggressive acid lines and solvent recovery systems.
SS 316 Globe Valves: Built with parabolic plugs and heavy-duty guided stems to provide stable, erosion-resistant flow throttling in high-pressure chemical dosing.
SS 316 Check Valves: Prevents backflow damage in pumping circuits through automatic swing or piston check mechanisms with low cracking pressure requirements.
SS 316 Needle Valves: Features precision-ground non-rotating stems for micro-metering and leak-tight isolation in high-pressure instrument manifolds.
SS 316 Butterfly Valves: Provides reliable, space-saving flow control with soft or metal-to-metal seating in large-diameter marine and desalination lines.

Pressure-Temperature Performance Parameters

Designed strictly to ASME B16.34 standards, our Grade 316/316L valve bodies maintain high mechanical strength and wall integrity across thermal cycles:

Pressure Class	Max Working Pressure at 38°C (100°F)	Max Working Pressure at 200°C (392°F)	Max Working Pressure at 400°C (752°F)
Class 150#	275 PSI (19.0 Bar)	215 PSI (14.8 Bar)	140 PSI (9.7 Bar)
Class 300#	720 PSI (49.6 Bar)	620 PSI (42.7 Bar)	495 PSI (34.1 Bar)
Class 800# (Forged)	1920 PSI (132.4 Bar)	1650 PSI (113.7 Bar)	1320 PSI (91.0 Bar)
Class 1500#	3600 PSI (248.2 Bar)	3090 PSI (213.0 Bar)	2475 PSI (170.6 Bar)

Key Advantages of SS 316 / 316L Valves

Pitting Resistance: 2–3% Molybdenum increases PREN (≥23–25), preventing chloride pitting in marine and brackish media.
Weld Integrity (316L): Low carbon (C ≤ 0.030%) prevents carbide precipitation and intergranular attack during welding.
High-Temperature Strength: Elevated nickel and molybdenum provide superior creep resistance up to 650°C.
Acid Resistance: Outstanding durability against acetic, phosphoric, and organic acid environments.
Zero-Leakage Sealing: Precision-machined seating with PTFE or Stellite guarantees strict API 598 compliance.

Key Industrial Applications

Offshore Oil & Gas Platforms: Hydrocarbon flow control, instrument air loops, and seawater cooling lines exposed to marine splash zones.
Chemical & Petrochemical Processing: Conveyance of chlor-alkali products, organic acids, solvents, and corrosive chemical intermediates.
Marine & Desalination Facilities: High-pressure reverse osmosis (RO) feed pumps, brine rejection lines, and shipboard piping systems.
Pharmaceutical & Bioprocess Plants: Sanitary utility steam, purified water (PW), and Water-for-Injection (WFI) fluid distribution (using low-carbon 316L).
Pulp & Paper Bleaching Operations: Process lines handling chlorine dioxide, sulfurous solutions, and active bleaching agents.

Chemical Composition & Mechanical Properties

Equivalent Grades Standard Table

Standard Designation	SS 316 Specification	SS 316L Specification
UNS Designation	UNS S31600	UNS S31603
Werkstoff Nr.	1.4401	1.4404
EN Standard	X5CrNiMo17-12-2	X2CrNiMo17-12-2
JIS (Japan)	SUS 316	SUS 316L
Cast Valve Standard	ASTM A351 Grade CF8M	ASTM A351 Grade CF3M
Forged Valve Standard	ASTM A182 Grade F316	ASTM A182 Grade F316L

SS 316 / 316L Chemical Composition (%)

Element	SS 316	SS 316L
Carbon (C)	0.08 max	0.035 max
Manganese (Mn)	2.0 max	2.0 max
Silicon (Si)	1.0 max	1.0 max
Phosphorus (P)	0.045 max	0.045 max
Sulfur (S)	0.030 max	0.030 max
Chromium (Cr)	16.00 – 18.00	16.00 – 18.00
Molybdenum (Mo)	2.00 – 3.00	2.00 – 3.00
Nickel (Ni)	11.00 – 14.00	10.00 – 14.00
Iron (Fe)	67.845 min	68.89 min

SS 316 / 316L Valve Mechanical Properties

Mechanical Property	SS 316 Value	SS 316L Value
Density	8.0 g/cm³	8.0 g/cm³
Melting Point	1400 °C (2550 °F)	1399 °C (2550 °F)
Tensile Strength (Min)	75,000 PSI / 515 MPa	75,000 PSI / 515 MPa
Yield Strength (0.2% Offset, Min)	30,000 PSI / 205 MPa	30,000 PSI / 205 MPa
Elongation (Min)	35 %	35 %

Global Supply & Export Network

Operating as an active SS 316 Valves Exporter, we maintain active shipping routes across major industrial hubs:

🇮🇳 India

Mumbai
Pune
Chennai
Faridabad

Middle East

Saudi Arabia
Qatar
Oman
Kuwait

Europe

Germany
Italy
Netherlands
Poland

Asia Pacific

Singapore
Malaysia
Vietnam
Indonesia

🇺🇸 United States

Michigan
Illinois
Texas

Quality Assurance & Inspection

Inspection Stage	Testing & Compliance Standard
Dimensional Verification	Calibrated micrometer checks for face-to-face (ASME B16.10), flange PCD, and wall thickness tolerances.
Chemical & PMI Testing	100% In-House XRF Spectro testing to verify 16-18% Cr, 10-14% Ni, and 2-3% Mo chemistry (CF8M/F316).
Mechanical & Hardness Testing	Tensile strength, yield proof, and elongation testing to match ASTM A351 / ASTM A182 standards.
Surface Inspection	Optical scanning to guarantee zero pinholes, casting voids, chatter marks, or seat scratches.
MTC & Certification	Full EN 10204 3.1 / 3.2 Material Test Certificates with NABL-accredited laboratory reports.
Third-Party Inspection	Pre-dispatch TPI available upon request via SGS, TUV, Bureau Veritas, DNV, or Lloyds.

Frequently Asked Questions

Q: Why choose SS 316 valves over SS 304 for marine applications?

A: SS 316 contains 2–3% Molybdenum, providing superior resistance to chloride-induced pitting and crevice corrosion in marine environments.

Q: When should SS 316L valves be specified instead of SS 316?

A: Low-carbon SS 316L (C ≤ 0.035%) prevents carbide precipitation during welding, making it ideal for welded piping without post-weld heat treatment.

Q: What are the casting and forging equivalents for Grade 316?

A: The standard casting equivalent is ASTM A351 CF8M (CF3M for 316L), and the forging equivalent is ASTM A182 F316 (F316L).

Q: What pressure testing standards are conducted prior to dispatch?

A: All valves undergo 100% hydrostatic shell and pneumatic seat testing in accordance with API 598 and ISO 5208 standards.

Q: Which regions do you supply as an SS 316 Valves Exporter?

A: We export certified SS 316 valve packages to Saudi Arabia, UAE, Qatar, Oman, Kuwait, Germany, Italy, Singapore, Malaysia, and the United States.

Request a Quote for SS 316 / 316L Valves

Contact Nirvaan Overseas—your trusted SS 316 Valves Manufacturer in India and global SS 316 Valves Exporter—for factory-direct pricing, custom dimension manufacturing, API 598 test certification, EN 10204 3.1 MTCs, and fast global dispatch. If you have any questions about the products or services, send us an

Email: sales@nirvaanoverseas.com

Phone / WhatsApp: +91 77386 88058

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