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[China]
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Address: 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
Contact name:Jikin Cai
Yuhong Group Co.,Ltd |
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Buttweld 45 Degree Elbow ASTM A403 WP304L-S 1.4306 ANSI B16.9
YUHONG GROUP is engaged in manufacturing of a wide range of Butt Weld Fitting that is available in varied types such as L/R & S/R elbow, tee, concentric and eccentric reducers, reducing elbow & tee, cross and caps.
Sourced from reliable vendors, these fittings are highly acknowledged for their high tensile strength, durability and accurate alloy composition. These find application in several industries such oil & gas, automobile, acid & chemical, pharmaceutical and cement industries. We are known for our butt welding fitting pieces.
ASTM A403 WP304L pipe fittings mean the pipe fittings which material is wrought austenitic stainless grade WP304L is used for the pressure piping systems of moderate and high temperature services. ASTM A403 is the standard of pipe fittings material,it indicates the materials properties of different kinds of stainless steel, WP304L is one of the steel grade in this standard. The corrosion resistance of 304L and 304 are similar.But after eliminate stress or welding, corrosion resistance of 304L will be more excellent. ASTM A403 WP304L is the most common stainless steel pipe fittings material.
Chemical Composition and Mechanical Property for 304/304L:
| Steel Grade | Chemical Composition | Mechanical Performance | |||||||||
| C(Max) | Si(Max) | Mn(Max) | P(Max) | S(Max) | Ni | Cr | N | Mo | Tensile Strength (Min) | Yield Strength (Min) | |
| Mpa | Mpa | ||||||||||
| 304 | 0.08 | 0.75 | 2.00 | 0.045 | 0.03 | 8.0–10.5 | 18.0–20.0 | 0.1 | / | 515 | 205 |
| 304L | 0.03 | 0.75 | 2.00 | 0.045 | 0.03 | 8.0–12.0 | 18.0–20.0 | 0.1 | / | 485 | 170 |
Equivalent of SS 304L:
| STANDARD | EN | UNS | JIS | GOST | BS | WERKSTOFF NR. | AFNOR |
| Stainless Steel 304L | X2CrNi18-9 / X2CrNi19-11 | S30403 | SUS 304L | 03-18-11 | 3304S11 | 1.4306 / 1.4307 | Z3CN18-10 |
Physical Properties Of ASTM A403 WP304L Pipe Fittings:
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity(W/m.K) | Specific Heat 0-1000C(J/kg.K) | Electrical Resistivity (n.m) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| ASTM A403 WP304L | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | |
304/304L Buttwelded Fitting Size Chart
Fitting Classes for WP Grades
CR | Corrosion resistant grade. S through WU Classes do not apply. |
WP-S | Seamless |
WP-W | Welded, RT or UT all pipe starting material welds made with filler
metal. All fitting manufacturer welds except as excluded in A/SA403
paragraph 5.4.3. |
WP-WX | RT all welds with or without filler metal. |
WP-WU | UT all welds with or without filler metal. |
WPgrade-grade-class | Insert grades (304L-304LL) and class (S,W,WX, or WU). Applies to fittings meeting all chemical and physical requirements of both grades. |
Applications:
-Pharmaceutical and chemical process equipment
-Equipment and appliances
-Food processing equipment
-Architectural railings
-Industrial fabrications
-Threaded fasteners
-Springs
-Heat exchangers
