Home > Steel Flange >

High Temperature Stainless Steel Flanges ASME SA182 F321H 100% Inspection UT/MT/PT

Product Categories

YUHONG HOLDING GROUP CO., LTD

Trust Seal

Verified Supplier

Credit Check

Supplier Assessment

Contact Now

High Temperature Stainless Steel Flanges ASME SA182 F321H 100% Inspection UT/MT/PT

Name: High Temperature Stainless Steel Flanges ASME SA182 F321H 100 Inspection UTMTPT
Brand: YUHONG
Price: 1 USD

Wholesale High Temperature Stainless Steel Flanges ASME SA182 F321H 100% Inspection UT/MT/PT from china suppliers

Brand Name : YUHONG

Model Number : ASTM A182 F321H

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : China

MOQ : 1 set

Price : Negotiable

Payment Terms : L/C, T/T

Supply Ability : According to Client's Request

Delivery Time : 15-30 Days

Packaging Details : Ply wooden Case/ Iron Structural Case

Face Type : Raised Face/Flat Face/RTJ/LM/LF

Certifications : ASME B16.5, ASTM A182

Material : Stainless Steel

Corrosion Resistance : High

Sealing Surface : RF

Specification : B16.5 B16.9 API605

Structure : Flanges

Connection : Welding

Flange Face Type : Raised Face

Contact Now

Premium Stainless Steel Flanges for Extreme Heat & Pressure Applications

About YUHONG

YUHONG Group is a globally recognized manufacturer specializing in high-performance flanges and pressure vessel components for critical industrial applications. With ISO 9001, ASME, and PED certifications, we deliver engineered solutions for the most demanding operating conditions.

Why Choose YUHONG?
✔ 25+ Years in high-temperature flange manufacturing
✔ Full material traceability with Mill Test Certificates
✔ Custom fabrication for unique project requirements
✔ Global supply chain with fast lead times

Product Overview

YUHONG's ASME SA182 F321H Flanges are specifically engineered for high-temperature service in:

Petrochemical processing
Power generation systems
Refinery applications
Aerospace components
Nuclear power plants

These flanges feature stabilized titanium composition for superior resistance to intergranular corrosion at elevated temperatures (up to 816°C/1500°F).

Key Features & Benefits

✔ High-Temperature Performance: Stabilized with titanium for carbide precipitation resistance
✔ Enhanced Strength: Maintains structural integrity under thermal cycling
✔ Full NDT Inspection: 100% UT (Ultrasonic), MT (Magnetic Particle), and PT (Liquid Penetrant) tested
✔ Multiple Standards: Compliant with ASME B16.5, B16.47, and custom specifications
✔ Corrosion Resistant: Excellent performance in oxidizing and mildly reducing environments

Technical Specifications

1. Material & Mechanical Properties

Property	Value	Standard
Material Grade	ASME SA182 F321H (Ti-stabilized)	ASME BPVC Sec. II
Tensile Strength	≥ 515 MPa (75 ksi)	ASTM A370
Yield Strength	≥ 205 MPa (30 ksi)	ASTM A370
Elongation	≥ 30%	ASTM A370
Hardness	≤ 90 HRB	ASTM E18
Max Operating Temp	816°C (1500°F)	ASME B16.34

2. Dimensional Specifications

Parameter	Range
Size Range	1/2" to 48" (DN15 to DN1200)
Pressure Class	Class 150 to Class 2500
Face Types	RF, FF, RTJ (or custom)
Surface Finish	3.2 μm Ra or better

3. Non-Destructive Testing (NDT)

Test Method	Standard	Coverage
UT (Ultrasonic)	ASTM A388	100% volume inspection
MT (Magnetic Particle)	ASTM E709	100% surface examination
PT (Liquid Penetrant)	ASTM E165	100% surface inspection

Applications

✅ FCCU and hydrocracker units
✅ Steam headers and superheaters
✅ Heat exchanger systems
✅ High-temperature piping
✅ Boiler and pressure vessel connections

Quality Assurance

YUHONG implements strict quality control throughout manufacturing:

Raw material verification
In-process dimensional checks
Final NDT inspection
Hydrostatic testing available
Full documentation package

Ordering Information

Customization Options Available:

High Temperature Stainless Steel Flanges ASME SA182 F321H 100% Inspection UT/MT/PT

Special sizes outside standard range
Unique facing requirements
Heat treatment variations
Special marking and packaging

Product Tags: