SA182 F304L Stainless Steel Slip On Flange Blind Flange RF FF For High Temperature Service

Price Negotiable
Price: Negotiable
MOQ: 500KGS
Delivery Time: 5-8days
Brand: YUHONG
Product Description

SA182 F304L Stainless Steel Slip-on Flange Bind Flange RF FF for High Temperature Service

 

Yuhong is a renowned enterprise deeply engaged in the field of industrial piping components, especially excelling in the production and supply of stainless steel flanges. With years of development, it has established a solid reputation in the market by adhering to high-quality standards and professional services.

 

Yuhong is committed to meeting the diverse needs of industries such as petrochemical, power generation, and chemical processing. It has advanced production facilities, including precision forging equipment, machining centers, and quality inspection laboratories. These resources enable Yuhong to ensure the consistency and reliability of its products from raw material selection to the final delivery of flanges.


Heat Treating Requirements
 
Grade Heat Treat Type Austentizing Temperature, Minimum or Range, °F/°C¹ Cooling Media Quenching Cool Below °F [°C]
F304 solution treat and quench 1900 [1040] liquid 500 [260]
F304H solution treat and quench 1900 [1040] liquid 500 [260]
F304L solution treat and quench 1900 [1040] liquid 500 [260]
F304LN solution treat and quench 1900 [1040] liquid 500 [260]

Chemical Requirements
 
Grade UNS Symbol Carbon Manganese Phosphorus Sulfur Silicon Nickel Chromium
F304 S30400 ≤0.08 2 0.045 0.03 1 8.0–11.0 18.0–20.0
F304H S30409 0.04–0.10 2 0.045 0.03 1 8.0–11.0 18.0–20.0
F304L S30403 ≤0.030 2 0.045 0.03 1 8.0–13.0 18.0–20.0
F304N S30451 ≤0.08 2 0.045 0.03 1 8.0–10.5 18.0–20.0
F304LN S30453 ≤0.030 2 0.045 0.03 1 8.0–10.5 18.0–20.0

Tensile and Hardness Requirements
 
Grade Tensile Strength, min, ksi [MPa] Yield Strength, min, ksi [MPa] Elongation in 2 in. [50 mm] or 4D, min, % Reduction of Area, min, %
F304 75 [515] 30 [205] 30 50
F304H 75 [515] 30 [205] 30 50
F304N 80 [550] 35 [240] 30 50
F304L 70 [485] 25 [170] 30 50
F304LN 75 [515] 30 [205] 30 50

Repair Welding Requirements
 
Grade Symbol Electrode Recommended Preheat and Interpass Temperature Range, °F [°C] Post-Weld Heat Treatment Temperature Range, °F [°C]
F304 E 308-15 or 16 NR 1900 [1040] - WQ
F304H E 308H-15 or 16 NR 1900 [1040] - WQ
F304L E 308L-15 or 16 NR 1900 [1040] - WQ
F304N E 308-15 or 16 NR 1900 [1040] - WQ
F304LN E 308LN-15 or 16 NR 1900 [1040] - WQ

Advantages in High Temperature Service

 

  1. Excellent Oxidation Resistance

    SA182 F304L stainless steel forms a durable oxide film, protecting against high-temperature oxidation. This ensures the flange maintains its integrity and functionality in elevated-temperature environments.

  2. Superior Corrosion Resistance

    Its low-carbon composition minimizes the risk of intergranular corrosion. This makes the flange highly suitable for high-temperature applications where welding and heat exposure are common.

  3. Reliable Mechanical Performance

    F304L flanges retain their strength and toughness under high-temperature conditions. They can withstand the thermal stresses and pressures of high-temperature pipeline systems without deforming or failing.

  4. Effective High-Temperature Sealing

    The RF and FF sealing surfaces of the flanges are precisely engineered. Combined with suitable gaskets, they create a secure seal, preventing leakage of high-temperature media.


Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Yuhong Group Co.,Ltd
Location 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
Contact Person Jikin Cai

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