About
Standard Specification For Stainless Steel ASTM B649 904L Forged Pipe Fittings
Specifications :ASTM B649 & ASME SB649
Standard :ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Size :1/8 NB to 4 NB (Socketweld & Screwed-Threaded)
Class :2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Type :Socketweld Fittings, Screwed-Threaded Fittings
Chemical Composition of Grade 904L Stainless Steel High Pressure Fittings
| Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
Cu |
| SS 904L |
0.020 max |
2.00 max |
1.00 max |
0.040 max |
0.030 max |
19.00 23.00 |
4.00 5.00 max |
23.00 28.00 |
1.00 2.00 |
Mechanical Properties of ASTM B649 SS 904L Forged Pipe Fittings
| Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2%Offset) |
Elongation |
| 7.95 g/cm3 |
1350 C (2460 F) |
Psi 71000 , MPa 490 |
Psi 32000 , MPa 220 |
35 %
|
Exceptional Corrosion ResistanceSS 904L forged fittings are engineered to withstand highly corrosive environments, making them a top choice in chemical processing, pharmaceuticals, and marine industries. Their robust chemical composition, enhanced by specialized surface treatments, provides reliable protection against pitting, crevice corrosion, and stress corrosion cracking.
Wide Availability Across IndiaSourced from experienced manufacturers, distributors, and suppliers, SS 904L forged fittings are easily accessible throughout India. Their popularity among exporters and importers ensures a consistent supply chain for both domestic and international projects, catering to a wide range of industrial applications.
FAQs of SS 904L Forged Fittings:
Q: How are SS 904L forged fittings manufactured?
A: SS 904L forged fittings are produced through a forging process that involves shaping the alloy under high pressure and temperature. This method improves the materials mechanical strength and structural integrity, resulting in fittings capable of enduring demanding industrial environments.
Q: What industries commonly use SS 904L forged fittings?
A: Industries such as chemical processing, oil and gas, pharmaceuticals, and marine engineering frequently utilize SS 904L forged fittings due to their superior resistance to acids, chlorides, and other corrosive agents.
Q: When should I choose SS 904L over other stainless steel grades?
A: SS 904L is ideal when your application requires exceptional resistance to aggressive chemical environments, particularly those with sulfuric or hydrofluoric acid. If your project demands longevity and durability in such conditions, SS 904L is an optimal choice.
Q: Where can I purchase SS 904L forged fittings in India?
A: You can buy SS 904L forged fittings from authorized dealers, distributors, exporters, importers, manufacturers, suppliers, traders, and wholesalers across India, providing reliable access to standard sizes and surface treatments as per your requirements.
Q: What surface treatments are available for SS 904L forged fittings?
A: Common surface treatments include galvanizing, pickling, annealing, and passivation. These treatments improve the fittings tolerance to corrosion and enhance its overall lifespan, making them better suited for harsh service conditions.
Q: How do SS 904L forged fittings benefit my industrial application?
A: These fittings offer excellent durability, resistance to corrosion and scaling, and reliable performance under high pressure and temperature. Their robust design minimizes leakages, reduces maintenance costs, and prolongs the service life of your installation.