Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 1500 tons per month |
| Delivery Time | 15-30days |
| Packaging Details | Plywooden Case /Iron Case |
| Standard | ASTM A403/ASME SA403 |
| Material Grade | WP321-S (UNS S32100) |
| Product Type | 180° Short Radius Elbow |
| Application | Petrochemical & Power Plant Piping |
| Size Range | 1/2" to 24" |
| End Connection | Butt Weld |
| Brand Name | YUHONG |
| Model Number | ASTM A403 WP321-S |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1500 tons per month |
| Delivery Time | 15-30days | Packaging Details | Plywooden Case /Iron Case |
| Standard | ASTM A403/ASME SA403 | Material Grade | WP321-S (UNS S32100) |
| Product Type | 180° Short Radius Elbow | Application | Petrochemical & Power Plant Piping |
| Size Range | 1/2" to 24" | End Connection | Butt Weld |
| Brand Name | YUHONG | Model Number | ASTM A403 WP321-S |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | ASTM A403 WP321-S stainless steel elbow ，180° short radius pipe fitting ，stainless steel petrochemical pipe fitting | ||
ASTM A403 WP321-S 180° Short Radius Elbow - Stainless Steel Pipe Fitting for Petrochemical & Power Plant Piping Systems
YUHONG GROUP specializes in manufacturing high-performance stainless steel pipe fittings for global industrial applications. With over 35 years of expertise in precision engineering, our ASTM A403 WP321-S 180° Short Radius Elbows deliver reliable performance in critical petrochemical and power plant piping systems, where high-temperature resistance and corrosion prevention are paramount.
Chemical Composition of Grade 321 (UNS S32100)
| Element | Requirement (%) |
| Carbon (C) | 0.08 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Silicon (Si) | 1.00 max |
| Nickel (Ni) | 9.0-12.0 |
| Chromium (Cr) | 17.0-19.0 |
Heat Treatment Requirements for Grade 321 (UNS S32100)
| Parameter | Requirement |
| Grade (WP/CR) | WP321 / CR321 |
| UNS Designation | S32100 |
| Solution Anneal Temperature, min | 1900°F [1040°C] |
| Quench Media | Water or other rapid cool |
Mechanical Properties of Grade 321 (UNS S32100)
| Property | Requirement | Notes |
| Grade | 321 | Titanium-stabilized austenitic stainless steel |
| UNS Designation | S32100 | |
| Yield Strength, min | 30 ksi [205 MPa] | 0.2% offset |
| Tensile Strength, min | 75 ksi [515 MPa] | |
| Elongation, min | 28% (Longitudinal) / 20% (Transverse) | In 4D gauge length |
ASTM A403 WP321-S 180° Short Radius Elbow - Application Advantages
1.Excellent High-Temperature Resistance
Titanium-stabilized design enables continuous service up to 800°C, making it ideal for power plant superheated steam pipelines.
2. Superior Corrosion Resistance
Chromium-nickel alloy composition effectively resists acid and chloride corrosion, suitable for petrochemical equipment.
3.Space-Saving Installation
180° short radius design reduces footprint by 40%, perfect for compact plant layouts.
4.Smooth Flow Efficiency
Polished inner surface ensures minimal pressure drop and optimal fluid dynamics.
5.Long Service Life
Complies with ASME B16.9 standards, guaranteeing reliable operation for over 20 years.
Typical Applications:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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