Reliable ASTM A694 F65 Flanges Manufacturer in USA Supplying High Yield F65 Forged Flanges Worldwide

The A694 F65 Carbon Steel Flanges of USA piping solution are made to be highly strong, durable and reliable in pressure and temperature demanding conditions. These forged flanges are made of high-yield carbon steel that provides them with high toughness, weldability, and crack and corrosion resistance. The flanges are designed to have the correct dimensions and a long service life and each flange is carefully engineered and tested according to ASME B16.5 and B16.47. We have an extensive range of our A694 Gr F65 flanges that are used in oil and gas pipelines, refineries, power plants, and offshore platforms. Being a dependable producer of carbon steel flanges in the USA, we also provide a variety of weld neck, blind, slip-on, and socket weld flanges designed to suit various requirements of the industry, which provide reliable working and quality in any project.

ASTM A694 F65 Flanges Manufacturer in USA, Supplying A694 F65 Flanges, ASME SA694 F65 Forged Flanges, and High Yield F65 Pipe Flanges to Global Industries

ASTM A694 F65 Carbon Steel Flanges are used in projects of pipeline and transmission in high-pressure situations where the high strength, weldability, and reliability of the product are vital. The F65 grade is manufactured using high-yield carbon steel and it is characterized by good mechanical properties which allow safe and efficient flow of oil, gas, steam, and water across pressurized systems. All the A694 F65 Forged Flange manufactured by USA Piping Solution is machined and inspected to the requirements of the ASME B16.5 and B16.47 in terms of dimensional and quality requirements.

We are a major ASME SA694 F65 Flanges Manufacturer in the USA with full capability to offer the complete variety of weld neck, blind, slip-on, socket weld flanges to be used in the refineries, petrochemical plants and power generation plants. Our A694 Grade F65 Pipe Flanges has a controlled chemical composition and refined grain structure that make it fatigue-resistant and to remain strong in an environment of fluctuating pressures.

Due to active innovation and process management, USA Piping Solution has created the image of a reliable supplier of ASTM A694 F65 Flanges to its customers throughout the USA and the global market to guarantee reliable performance and cost-efficiency over time in the harsh industrial setting.

Technical Specifications and Material Details of ASTM A694 F65 Flanges

Category	Specification	Technical Notes
Standards	ASTM A694 / ASME SA694, ANSI / ASME B16.5, B16.47 A & B, EN 1092, DIN, BS4504, JIS, GOST	Compliant with international dimensional and pressure standards for high-performance flange connections
Pressure Rating & Classes	Class 150, 300, 600, 900, 1500, 2500 LB	Suitable for high-yield and high-pressure applications in energy and process industries
Manufacturing Process	Forged, Heat Treated, and Machined	Ensures enhanced strength, tight dimensional tolerance, and surface integrity
Material Grade	High Yield Carbon Steel ASTM A694 Grade F65	Provides exceptional toughness, weldability, and resistance to stress and fatigue
Size Range (Nominal Bore)	½″ (15 NB) to 48″ (1200 NB) / DN10 to DN5000	Available in standard and custom dimensions as per project requirements
Bore Type Options	Standard, Equal, and Reducing Bore	Enables accurate alignment and consistent flow control
Flange Face Types	Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap Joint (LJF), Tongue & Groove, Male-Female (SMF/LMF)	Compatible with a variety of gasket and sealing configurations
Connection Types	Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Orifice, Long Weld Neck, Spectacle Blind	Designed for robust and leak-proof connections in critical pressure systems
Surface Finish	Smooth, Serrated, or Custom Machined Finish	Improves gasket grip and ensures long-term sealing reliability
Testing & Inspection	Ultrasonic, Radiography, Hydrostatic, and Dimensional Testing	Conducted under strict QA/QC protocols and third-party supervision
Certificates Provided	EN 10204 / 3.1B, Raw Material Test Certificate, Third-Party Inspection	Full traceability and verification for material quality and performance
Applicable Standards (JIS / EN)	JIS 5K–63K, EN 6Bar–40Bar	Aligns with global flange design and pressure norms
Manufacturing & Supply Regions	United States, Europe, Asia	Sourced and manufactured through globally approved mills ensuring consistent material quality
Applications	Oil & Gas, Petrochemical, Power Generation, Metallurgy, Marine, Construction	Used in high-pressure systems requiring yield strength and reliability
Quality Assurance	Heat Code Traceable, Fully Tested & Certified	Ensures compliance with ASTM and ASME standards for critical applications
Optional Customization	Drilling Patterns, Coating, Packaging, Surface Finish	Available upon request for tailored engineering solutions

Types of ASTM A694 F65 Flanges Manufactured and Supplied by USA Piping Solution

ASTM A694 F65 Flanges Chemical Composition and Elemental Properties

Grade	C	Mn	P	S	Si
F65	≤0.30	≤1.60	≤0.025	≤0.025	0.15-0.35

ANSI B16.5 ASTM A694 F65 Flanges Mechanical Properties and Strength Values

ASTM A694 Grade	Yield Strength min.		Tensile Strength min.		Elongation min.
	MPa	ksi	MPa	ksi	%
F65	450	65	530	77	20

ASTM A694 F65 Flanges Weight Chart and Size Reference

Nominal Pipe Sizes (NPS)	Slip On (SORF)	Threaded (NPT)	Socket Weld (SWRF)	Lap Joint (Loose)	Blind (BLRF)	Weld Neck (WRNR)
½	1	1	2	1	2	2
¾	2	2	2	2	2	2
1	2	2	2	2	2	3
1¼	3	3	3	3	3	3
1½	3	3	3	3	4	4
2	5	5	5	5	5	6
2½	8	8	8	8	7	10
3	9	9	9	9	9	11.5
3½	11	12	11	11	13	12
4	13	13	13	13	17	16.5
5	15	15	15	15	20	21
6	19	19	19	19	27	26
8	30	30	30	30	47	42
10	43	43	43	43	70	54
12	64	64	64	64	123	88
14	90	90	90	105	140	114
16	106	98	98	140	180	140
18	130	130	130	160	220	165
20	165	165	165	195	285	197
22	185	185	185	245	355	225
24	220	220	220	275	430	268

Industrial Applications and Service Areas of ASTM A694 F65 Flanges

• Widely used in oil and gas transmission lines for high-pressure flow systems
• Essential component in refineries and petrochemical plants for safe pipeline connectivity
• Applied in power generation and thermal plants for high-temperature piping assemblies
• Commonly installed in offshore and onshore drilling platforms for pressure control systems
• Used in chemical and fertilizer industries for corrosion-resistant flow handling
• Preferred in shipbuilding and marine engineering for strong welded joint performance
• Integrated into water treatment and desalination facilities for long-term reliability
• Employed in metallurgical and steel processing plants for durable fluid transport systems
• Utilized in infrastructure and construction piping projects requiring strength and endurance
• Trusted by EPC contractors and industrial fabricators for customized flange solutions

Key Features and Performance Advantages of ASTM A694 F65 Flanges

Features & Advantages

• Manufactured from high-yield carbon steel ensuring superior tensile and yield strength
• Offers excellent pressure resistance suitable for critical pipeline systems
• Provides high impact toughness even under fluctuating temperature and stress conditions
• Ensures tight dimensional tolerance through precision forging and machining processes
• Delivers enhanced weldability and crack-resistant joint performance
• Compatible with multiple standards including ASME B16.5 and B16.47
• Available in weld neck, blind, slip-on, socket weld, and threaded types
• Features corrosion-resistant properties suitable for oil, gas, and marine environments
• Designed for long service life and reduced maintenance downtime 
• Fully tested and certified with traceable documentation as per ASTM and EN requirements