90 Degree Elbow
Forged 90 Degree Elbows are typically manufactured according to ASME B16.11, ensuring high strength, reliable pressure performance, and suitability for high-temperature or high-pressure services.
- Types: Socket Weld (SW) 90° Elbow, Threaded (NPT) 90° Elbow
- Pressure Ratings: Class 2000 / 3000 / 6000 / 9000
- Materials: Carbon Steel, Stainless Steel, Alloy Steel, Nickel Alloys / CRA
- Standards: ASME B16.11
Forged 90° elbows are typically manufactured according to ASME B16.11, ensuring high strength, reliable pressure performance, and suitability for high-temperature or high-pressure services.
Types of 90 Degree Elbows
Forged 90° Elbows are available in:
- Socket Weld (SW) 90° Elbow
- Threaded (NPT) 90° Elbow
- Pressure Ratings: Class 2000 / 3000 / 6000 / 9000
ASME B16.11 90 Degree Elbows Dimensions
ASME B16.20 Type RX ring gaskets are pressure-energized RTJ (Ring Type Joint) gaskets designed for API 6B flanges. They look similar to Type R but include a built-in pressure-energizing feature, providing better sealing performance at higher pressures.
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GENERAL NOTE: Tolerances:
- 23 deg = angle, ±0 deg, 30 min (±1 /2 deg)
- A = width of ring, +0.20 mm, −0.00 mm (+0.008 in., −0 in.)
- Variation in width throughout the entire circumference of any ring shall not exceed 0.10 mm (0.004 in.) within these tolerances.
- C = width of flat, +0.15 mm, −0.00 mm (+0.006 in., −0 in.)
- D = height of outside bevel, +0.0 mm, −0.76 mm (+0 in., −0.030 in.)
- E = hole size, ±0.5 mm (±0.02 in.)
- H = height of ring, +0.20 mm, −0.00 mm (+0.008 in., −0 in.)
- Variation in height throughout the entire circumference of any ring shall not exceed 0.10 mm (0.004 in.) within these tolerances.
- O.D. = outside diameter of ring, +0.51 mm, −0.00 mm (+0.020 in., −0 in.)
- R1 = radius of ring, ±0.5 mm (±0.02 in.)
NOTES:
- Rings RX-82 throughRX-91 require only one pressure passage hole as illustrated. The centerline ofthe hole shall be located atthe midpoint of dimension C.
- Tolerance on these dimensions is +0.5 mm, −0.0 mm (+0.02 in., −0 in.).
- Tolerance on these dimensions is +0.00 mm, −0.38 mm (+0 in., −0.015 in.).
Pipe Size,NPS,by API 6B Pressure Class
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NOTES:
- Class 720, 960, and 2900 flanges to API 6B are obsolete. Data are for information only.
- Crossover flange connection.
Materials Used for 90° Elbows
Forged elbows can be supplied in various materials depending on the application:
- Carbon Steel: ASTM A105 / A105N, ASTM A350 LF2 (Low-temperature service)
- Stainless Steel: ASTM A182 F304 / F304L, ASTM A182 F316 / F316L
- Alloy Steel: ASTM A182 F5, F9, F11, F22, F91
- Nickel Alloys / CRA: Inconel 600 / 625 / 718, Incoloy 800 / 825, Monel 400, Hastelloy C276 / C22, Duplex 2205 / 2507, Alloy 20, Titanium Grades
Application
Forged 90° elbows are widely used in:
- Oil & Gas
- Petrochemical
- Power Generation
- Refining
- Marine and Offshore Systems
- High-pressure piping
- Skid-mounted systems and process packages
Why Choose MillsForge for ASME B16.11 90 Degree Elbows?
MillsForge delivers high-performance ASME B16.11 forged 90° elbows, engineered for reliable flow direction change in high-pressure piping systems. Manufactured under ISO 9001:2005 quality control, our forged elbows provide exceptional strength, leak-tight integrity, and long-term durability for demanding industrial applications.
What We Offer
Fully compliant ASME B16.11 forged fittings
Precision-forged 90° elbows available in Socket Weld (SW) and Threaded (NPT) types.High-strength forged construction
Ideal for high-pressure, high-temperature, and critical service piping.Wide range of materials
Carbon steel (A105 / A105N), low-temperature steel (A350 LF2), stainless steel (F304 / F316), and special alloys for corrosive or sour-service environments.Strict dimensional and hardness control
Each fitting is machined to precise tolerances for perfect fit-up and consistent performance.Fast delivery & global supply capability
Reliable stock availability and international shipment support.
