ASTM A694 F60 Weld neck RTJ Flange| High Yield Carbon Steel Flanges

ASTM A694 F60 flanges are high-yield carbon steel forged flanges designed for high-pressure transmission service in oil & gas, petrochemical and pipeline systems.

Manufactured according to A694-A694M and ASME flange standards, these forged flanges provide:

  • high mechanical strength
  • excellent toughness
  • reliable pressure resistance
  • superior weldability

ASTM A694 F60 flanges are widely used in:

  • oil & gas transmission pipelines
  • offshore platforms
  • refinery piping systems
  • high-pressure manifolds
  • petrochemical facilities

ASTM A694 F60 flanges are commonly matched with:

  • API 5L X60 pipes
  • ASTM A860 WPHY 60 pipe fittings

for high-pressure pipeline systems.

We are a professional manufacturer and exporter of:

  • ASTM A694 F60 Weld Neck Flanges
  • ASTM A694 F60 RTJ Flanges
  • ASTM A694 F60 Slip On Flanges
  • ASTM A694 F60 Blind Flanges
  • High Yield Carbon Steel Flanges in China.

What is ASTM A694 F60 Flange?

ASTM A694 is the standard specification for:

  • carbon steel forgings
  • alloy steel forgings
  • pipe flanges
  • fittings
  • valves
  • high-pressure piping components

These materials are specifically designed for:

  • high-pressure transmission service
  • oil & gas pipelines
  • severe industrial applications

ASTM A694 F60 is a high-yield carbon steel grade with:

  • minimum yield strength of 60 ksi (415 MPa)
  • excellent toughness
  • reliable low-temperature performance

F60 flanges are commonly used in:

  • API pipeline systems
  • offshore transmission pipelines
  • wellhead systems
  • pressure manifolds

ASTM A694 F60 vs API 5L X60

ASTM A694 F60 flanges are commonly selected to match:

This material matching ensures:

  • compatible mechanical properties
  • balanced pipeline strength
  • reliable welding performance

Types of ASTM A694 F60 Flanges

We manufacture various flange types including:

ASTM A694 F60 Weld Neck Flange

Designed for high-pressure and high-temperature service.

ASTM A694 F60 RTJ Flange

Ring Type Joint flanges for critical sealing applications.

ASTM A694 F60 Slip On Flange

Easy installation for lower pressure systems.

ASTM A694 F60 Blind Flange

Used for pipeline isolation and pressure sealing.

ASTM A694 F60 Socket Weld Flange

Suitable for small bore high-pressure piping systems.


ASTM A694 F60 Flange Specifications

Specification Details
Material ASTM A694 F60
Product Type Forged Steel Flange
Manufacturing Method Forged
Pressure Service High Pressure Transmission
Face Type FF / RF / RTJ
Standards ASME B16.5 / MSS SP-44 / ASME B16.47
Pipe Matching API 5L X60
Fitting Matching ASTM A860 WPHY 60

Available Standards

ASTM A694 F60 flanges can be manufactured according to:

ANSI / ASME Standards

  • ASME B16.5
  • ASME B16.47 Series A
  • ASME B16.47 Series B
  • MSS SP-44
  • API 605
  • ANSI B16.36
  • ANSI B16.48

DIN Standards

  • DIN 2527
  • DIN 2566
  • DIN 2573
  • DIN 2576
  • DIN 2631 – DIN 2638

BS / EN Standards

  • BS4504
  • BS10
  • EN flange standards

Custom flange dimensions are available according to project drawings.


Size Range of ASTM A694 F60 Flanges

Specification Range
Size 1/2” NB – 48” NB
Pressure Class 150 – 2500 LBS
DIN Pressure Rating PN6 / PN10 / PN16 / PN25 / PN40

Custom sizes are available upon request.


Flange Face Types

Flat Face (FF)

Used for low-pressure piping systems.

Raised Face (RF)

Most commonly used face type for industrial piping.

Ring Type Joint (RTJ)

Used in:

  • high-pressure service
  • offshore systems
  • critical sealing applications

RTJ flanges provide superior sealing performance under severe pressure conditions.


ASTM A694 F60 Chemical Composition

Element Requirement (%)
Carbon (C) 0.26 – 0.265
Manganese (Mn) 1.60 – 1.64
Phosphorus (P) 0.025 – 0.030
Sulfur (S) 0.025 – 0.030
Silicon (Si) 0.15 – 0.35

The controlled chemistry improves:

  • high-pressure performance
  • toughness
  • weldability
  • structural reliability

Mechanical Properties of ASTM A694 F60 Flanges

Property Requirement
Minimum Yield Strength 60 ksi [415 MPa]
Minimum Tensile Strength 75 ksi [515 MPa]
Elongation ≥ 20%

These mechanical properties make ASTM A694 F60 suitable for:

  • high-pressure pipelines
  • offshore transmission systems
  • severe service piping applications

ASTM A694 High Yield Flange Grades

Grade Yield Strength
ASTM A694 F42 42 ksi
ASTM A694 F52 52 ksi
ASTM A694 F60 60 ksi
ASTM A694 F65 65 ksi
ASTM A694 F70 70 ksi

Higher grades provide increased strength for severe pipeline service.


Heat Treatment of ASTM A694 F60 Flanges

All ASTM A694 F60 forgings must undergo heat treatment.

Typical heat treatment conditions include:

  • normalized
  • normalized and tempered
  • quenched and tempered

Minimum tempering temperature:

  • 1000°F [540°C]

Heat treatment improves:

  • grain structure
  • toughness
  • mechanical consistency
  • pressure performance

Manufacturing Process of ASTM A694 F60 Flanges

Typical manufacturing process includes:

  • steel forging
  • heat treatment
  • CNC machining
  • drilling
  • facing machining
  • dimensional inspection
  • final quality control

Strict quality control ensures:

  • dimensional accuracy
  • flange flatness
  • reliable sealing performance

Inspection and Testing

ASTM A694 F60 flanges may undergo:

  • chemical composition analysis
  • mechanical testing
  • hardness testing
  • UT testing
  • dimensional inspection
  • PMI testing

Optional inspection includes:

  • third-party inspection
  • NACE compliance testing

Third-party inspection is available from:

  • SGS
  • BV
  • TUV
  • DNV

Is ASTM A694 F60 Flange NACE MR0175 Compliant?

ASTM A694 F60 flanges can be manufactured according to:

  • NACE MR0175
  • ISO 15156
  • NACE MR0103

Additional sour service requirements may include:

  • hardness control
  • HIC testing
  • low sulfur chemistry
  • impact testing

NACE compliant F60 flanges are widely used in:

  • sour gas pipelines
  • offshore oil platforms
  • refinery systems

Advantages of ASTM A694 F60 Flanges

High Yield Strength

Suitable for high-pressure transmission systems.

Excellent Toughness

Reliable performance in severe operating conditions.

Good Weldability

Compatible with API 5L pipeline materials.

Superior Pressure Resistance

Widely used in transmission pipelines.

Reliable Sealing Performance

RTJ flanges provide excellent leak prevention.


Applications of ASTM A694 F60 Flanges

Oil & Gas Transmission Pipelines

Used in:

  • high-pressure pipeline systems
  • gas transmission lines
  • crude oil pipelines

Offshore Platforms

Applied in:

  • subsea piping
  • offshore process systems

Refinery & Petrochemical Plants

Suitable for:

  • high-pressure process piping
  • manifold systems

Wellhead & Manifold Equipment

Used in:

  • pressure control systems
  • transmission manifolds

Their high strength and toughness make ASTM A694 F60 flanges ideal for severe pressure service.


Example Ordering Information

Example 1

Product: ASTM A694 F60 Blind Flange
Face Type: Raised Face (RF)
Size: 12”
Pressure Class: 600 LB
Standard: ASME B16.5
Quantity: 10 PCS


Example 2

Product: ASTM A694 F60 Weld Neck Flange
Type: WNRF Flange
Size: 24”
Pressure Class: 150 LB
Wall Thickness: SCH160
Standard: ASME B16.5
Quantity: 5 PCS


ASTM A694 F60 vs ASTM A105 Flanges

Property ASTM A694 F60 ASTM A105
Yield Strength Higher Standard
Pipeline Service High Pressure General Service
Matching Pipe Grade API 5L X60 Carbon Steel Pipe
Offshore Use Excellent Moderate

ASTM A694 F60 is preferred for:

  • transmission pipelines
  • high-pressure oil & gas systems

Frequently Asked Questions

What is ASTM A694 F60 flange used for?

ASTM A694 F60 flanges are used in high-pressure oil, gas and transmission pipeline systems.

What pipe matches ASTM A694 F60 flange?

ASTM A694 F60 flanges are commonly matched with:

  • API 5L X60 pipe

What is RTJ flange?

RTJ stands for Ring Type Joint. RTJ flanges provide high-integrity sealing for severe pressure applications.

Are ASTM A694 F60 flanges forged?

Yes. ASTM A694 F60 flanges are forged high-yield carbon steel flanges.

Can ASTM A694 F60 flanges meet NACE MR0175 requirements?

Yes. NACE compliant flanges can be manufactured for sour service applications.


Related Products

High Yield Pipe Fittings

  • ASTM A860 WPHY 60 Elbow
  • ASTM A860 WPHY 60 Tee


Why Choose Our ASTM A694 F60 Flanges?

We provide:

  • full material traceability
  • forged high-yield flanges
  • NACE compliant materials
  • strict dimensional inspection
  • export seaworthy packing
  • fast delivery
  • worldwide export support

Our ASTM A694 F60 high yield carbon steel flanges are manufactured according to international standards for reliable high-pressure pipeline performance.

ASTM-A694-F60-Flange-A694-F60-Weld-Neck-Flanges-blind-flange-ASME-B16.5.