ASTM A403 WP304-S 90° LR Stainless Steel Seamless Elbow Butt Weld Pipe Fitting
YUHONG is a leading manufacturer, trader, supplier, and exporter of ASTM A403 WP304 Butt Welded Pipe Fittings. Stainless steel A403 WP304 contains higher chromium and lower carbon content, with carbon content as low as 0.03% to reduce susceptibility to intergranular corrosion. This steel can be continuously exposed to temperatures of about 1500°F without significant fouling.
Suitable for various applications including automotive headers, machine parts, screws, and food handling equipment. We offer DIN 1.4301 stainless steel butt welded pipe fittings in different forms such as tees, reducers, crosses, stub elbows, elbows, and end caps. SS UNS S30400 Butt Welded Pipe Elbow has excellent forming and welding properties with outstanding oxidation resistance. All products are developed according to international standards in first-class infrastructure.
Product Specifications
Butt Weld Fitting Standards
- ASTM A403/SA403, ASTM A815/ASME SA815, ASTM A420/ASME SA420
- ASTM A234/ASME SA234, ASTM A860/ASME SA860, ASTM B366/ASME SB366
- DIN 2605 Part 1 / DIN 2605 Part 2
- EN10253-2 / EN10253-4 TC1 and TC2
Manufacturing Process
Hot/cold/fabrication/seamless/welded/induction
Available Grades
Stainless Steel: 304, 304L, 304H, 310s, 316, 316L, 317L, 321, 347, 904L, 410, 446, etc.
Carbon Steel: WPB, WPC, WPL6, WPHY42, WPHY46, WPHY52, WPHY56, WPHY60, WPHY65, etc.
Alloy Steel: WP5, WP9, WP11, WP22, WP91, 4140, Grades 1, 2, 3, etc.
Duplex and Super Duplex: UNS N031803, UNS N032750, UNS N032760, etc.
Other Materials: Inconel, Incoloy, Monel, Hastelloy, Titanium, Copper Nickel, and various EN/DIN standards.
Technical Specifications
- Outer Diameter: 1/2" NB TO 48" NB
- Wall Thickness: Sch 10s to Sch XXS or custom requirements
- Fitting Types: 45° Elbow, 90° Elbow, 180° Elbow, LR/SR Elbows, Tees, Reducers, Caps, Stub Ends, Crosses
- Dimensions: ASME 16.9, ASME B16.28, MSS SP-43
Testing & Certification
- Testing: Tensile, Hardness, Chemical Analysis, PMI, Flattening, Micro/Macro, Pitting Resistance, IGC, NACE MR0175, etc.
- Packaging: Carrate / Wooden Pallet / Wooden box
- Transportation: Road, Sea (FCL/LCL), Air freight
- Certification: EN10204 3.1/3.2, NABL Lab, SGS, TUV, DNV, LLOYDS, ABS, IBR, BIS
Chemical Composition of Grade WP304 Stainless Steel
| Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
| SS 304 |
0.08 max |
2 max |
0.75 max |
0.045 max |
0.030 max |
18 - 20 |
- |
8 - 11 |
- |
Mechanical Properties of ASTM A403 SS 304
| Density |
Melting Point |
Tensile Strength |
Yield Strength |
Elongation |
| 8.0 g/cm³ |
1400 °C (2550 °F) |
75,000 Psi (515 MPa) |
30,000 Psi (205 MPa) |
35% |
Equivalent Grades
| Standard |
Werkstoff NR. |
UNS |
JIS |
BS |
GOST |
AFNOR |
EN |
| SS 304 |
1.4301 |
S30400 |
SUS 304 |
304S31 |
08Х18Н10 |
Z7CN18‐09 |
X5CrNi18-10 |
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