ASTM A403 WP347H Stainless Steel Pipe Fitting Elbow90 DEG LR Butt Weld
Yuhong special steel has been engaged in seamless welded steel pipes of austenitic stainless steel and nickel alloy steel (Hastelloy, Monel alloy, Inconel alloy and Inconel alloy) for more than 33 years, and sells steel pipes every year. More than 80000 tons. Our customers cover more than 55 countries, such as Italy, Britain, Germany, the United States, Canada, Chile, Colombia, Saudi Arabia, Russia, South Korea, Poland, Singapore, Australia, France, etc.
A403 347 Stainless Steel covers the standard for wrought austenitic stainless steel fittings for pressure piping applications. The material for fittings shall consist of stainless steel forgings, stainless steel bars, stainless steel plates, or seamless or welded stainless steel tubular products. Stainless Steel forging or shaping operations shall be performed by hammering, pressing, piercing, extruding, upsetting, rolling, bending, fusion welding, machining, or by a combination of two or more of these operations.
All ASTM A403 WP347 Stainless Steel Pipe Fittings shall undergo heat-treatment. Chemical and product analyses shall be performed and shall conform to the required chemical composition in carbon, manganese, phosphorus, sulfur, silicon, chromium, molybdenum, and titanium.
Advantages:
A piping system using ASTM A403 WP347 butt welding fitting has many inherent advantages over other forms.
Welding a fitting to the pipe means that it is permanently leakproof.
The continuous metal structure formed between pipe and fitting adds strength to the system.
Smooth inner surface and gradual direction changes reduce pressure losses and turbulence and minimise the action of corrosion and erosion.
A welded system utilises a minimum of space.
ASME SA403 347/347H Equivalent Grades
| STANDARD |
WERKSTOFF NR. |
UNS |
JIS |
GOST |
EN |
| SS 347 |
1.4550 |
S34700 |
SUS 347 |
08Ch18N12B |
X6CrNiNb18-10 |
| SS 347H |
1.4961 |
S34709 |
SUS 347H |
– |
X6CrNiNb18-12 |
ASTM A403 WP347H Chemical Composition
| Grade |
C |
Mn |
Si |
P |
S |
Cr |
Cb |
Ni |
Fe |
| SS 347 |
0.08 max |
2.0 max |
1.0 max |
0.045 max |
0.030 max |
17.00 – 20.00 |
10xC – 1.10 |
9.00 – 13.00 |
62.74 min |
| SS 347H |
0.04 – 0.10 |
2.0 max |
1.0 max |
0.045 max |
0.030 max |
17.00 – 19.00 |
8xC – 1.10 |
9.0 -13.0 |
63.72 min |
ASTM A403 SS 347 Butt weld Pipe Fittings Mechanical Properties
| Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2%Offset) |
Elongation |
| 8.0 g/cm3 |
1454 °C (2650 °F) |
Psi – 75000 , MPa – 515 |
Psi – 30000 , MPa – 205 |
35 % |
Applications:
We supply Grade 347H stainless steel butt weld Pipe fitting is mostly used in power generation, petroleum refineries, pressure vessels, aircraft engine components, heat exchangers, welded fabrications and heat applications.
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