Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C AT SIGHT |
| Supply Ability | 10000 pcs per month |
| Delivery Time | Depending on QTY |
| Packaging Details | According to client requirements/wooden case packing |
| Product name | Butt Welding Fitting |
| Standard | B16.9 |
| Type | Long Radius / Short Radius |
| Degree | 45° / 90° / 180° |
| Ends | Butt-weld (BW) |
| Equivalent Grades | WP304 / SUS304 / 1.4301 / S30400 |
| Applications | Petrochemical, chemical, water treatment, food... |
| Nominal Size (DN) | DN15 (1/2") ~ DN600 (24") common |
| Brand Name | YUHONG |
| Model Number | JIS B2312 WP304 |
| Certification | API , ABS, DNV, GL , LR, NK. |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, L/C AT SIGHT | Supply Ability | 10000 pcs per month |
| Delivery Time | Depending on QTY | Packaging Details | According to client requirements/wooden case packing |
| Product name | Butt Welding Fitting | Standard | B16.9 |
| Type | Long Radius / Short Radius | Degree | 45° / 90° / 180° |
| Ends | Butt-weld (BW) | Equivalent Grades | WP304 / SUS304 / 1.4301 / S30400 |
| Applications | Petrochemical, chemical, water treatment, food... | Nominal Size (DN) | DN15 (1/2") ~ DN600 (24") common |
| Brand Name | YUHONG | Model Number | JIS B2312 WP304 |
| Certification | API , ABS, DNV, GL , LR, NK. | Place of Origin | CHINA |
| High Light | stainless steel pipe fitting ，stainless pipe fittings | ||
JIS B2312 WP304 LR Elbow 45/90 Degree, Stainless Steel Seamless Butt-Weld Fitting For Crude Oil Distillation Tower
Introduction of JIS B2312 WP304 Elbow
JIS B2312 WP304 elbow is a stainless steel butt‑welding pipe fitting conforming to Japanese Industrial Standard JIS B2312, made from ASTM A403 WP304 (equivalent to SUS304, 1.4301). It features excellent corrosion resistance, good weldability, and stable mechanical performance, widely used in general industrial, water treatment, food processing, and low‑pressure piping systems. Available in 45° and 90° types with long or short radius, it is designed for butt‑weld connection with various pipe schedules.
Due to its reliable quality and compliance with JIS standards, it ensures safe and durable operation in medium‑pressure pipelines. Strict dimensional control, heat treatment, and non‑destructive testing are applied during manufacturing to meet industrial quality requirements.
Features of JIS B2312 WP304 Elbow
Chemical Composition of JIS B2312 WP304
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 304 | min. | - | - | - | - | - | 18 | - | 8 | - |
| max. | 0.08 | 2 | 0.75 | 0.045 | 0.03 | 20 | 10.5 | 0.1 | ||
| 304L | min. | - | - | - | - | - | 18 | - | 8 | - |
| max. | 0.03 | 2 | 0.75 | 0.045 | 0.03 | 20 | 12 | 0.1 | ||
| 304H | min. | 0.04 | - | - | 0.045 | - | 18 | - | 8 | - |
| max. | 0.1 | 2 | 0.75 | 0.03 | 20 | 10.5 | ||||
Mechanical Properties of JIS B2312 WP304
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50 mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 304 | 515 | 205 | 40 | 92 | 201 |
| 304L | 485 | 170 | 40 | 92 | 201 |
| 304H | 515 | 205 | 40 | 92 | 201 |
Physical Properties of JIS B2312 WP304
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100 °C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
| 0-100 °C | 0-315 °C | 0-538 °C | at 100 °C | at 500 °C | |||||
| WP304 | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
Applications of JIS B2312 WP304 Elbow:
General industrial piping systems
Water supply and hot/cold water pipelines
HVAC and chilled water systems
Water treatment and purification plants
Food and beverage processing lines
Pharmaceutical and sanitary piping
Chemical processing for mild corrosive media
Boiler and heat exchanger piping
Marine and shipboard utility piping
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 Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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