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MUKAU FASTENERS stands out as a leading manufacturer and supplier in Kinshasa, Congo, specializing in top-notch SMO 254 Stud Bolts. These bolts are crafted for exceptional corrosion resistance, strength, and durability, making them perfect for tough industrial settings. Made from a high-performance austenitic stainless steel alloy, they excel in resisting pitting, crevice corrosion, and stress corrosion cracking, even in harsh, chloride-rich, and acidic environments. MUKAU FASTENERS is committed to precision manufacturing and upholding international standards, providing SMO 254 Stud Bolts that are perfect for chemical processing, petrochemical, marine, and offshore applications, where dependable fastening and long-lasting integrity are essential.
SMO 254 Stud Bolts are made up of about 20% chromium, 18% nickel, 6–7% molybdenum, and 0.2–0.3% nitrogen, resulting in a high-alloy austenitic stainless steel. They boast a tensile strength ranging from 750 to 900 MPa, along with excellent yield strength, toughness, and remarkable resistance to pitting, crevice, and stress corrosion cracking. This alloy maintains its dimensional stability and mechanical integrity even in aggressive environments, making these stud bolts a reliable choice for high-chloride, high-temperature, and chemically demanding applications.
| Grade | C | Ni | Si | N | S | Mn | P | Cr | Ce | Fe | |
| SS 254 SMO | min. | – | 17.5 | – | 0.18 | – | – | – | 19.5 | 0.03 | Balance |
| max. | 0.02 | 18.5 | 0.08 | 0.22 | 0.01 | 1.00 | 0.03 | 20.5 | 0.08 | ||
| Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| SS 254 SMO | 650 | 35 | 300 | 50 | 270 |
Standard ASTM A193, A320 / ASME SA193, SA320
Dimensions DIN / ISO / ASME / ANSI / UNI / BS / BIS / SAE, etc.
Threads UNC, UNF, UNEF, UN, Coarse, Fine & BSW.
Type All Thread, Double End, Single End
Size Metric M1 to M152 & Imperial #0 to 8″ Bolt Diameter
Length Bolts upto 2500mm shank length.
Construction Hot Forged, Cold Forged, Bar Stock Machined
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
You’ll find SMO 254 Stud Bolts in a variety of settings, including chemical and petrochemical plants, offshore oil and gas platforms, desalination plants, marine engineering, and high-performance industrial equipment. They’re perfect for securing pressure vessels, heat exchangers, pumps, piping systems, and structural components that face corrosive and chloride-rich conditions, ensuring strong, long-lasting connections. Thanks to the alloy’s outstanding corrosion resistance, maintenance is kept to a minimum, and performance remains reliable in highly aggressive environments. MUKAU FASTENERS’ SMO 254 Stud Bolts provide robust and high-performance fastening solutions, ensuring operational safety and efficiency.
At Mukau Fasteners, we pack our SMO 254 stud bolts in a manner that guarantees they get to the client in the best condition possible. Every stud bolt is covered and sealed in durable, moisture proof bags to ensure that they are not affected by other materials or moisture. Proper labeling helps in identification and management of items in a proper manner. Our packaging procedures ensure that the stud bolts are protected to retain their high quality and are readily available for use, a factor that is in line with our mission of providing quality products and excellent services.
Mukau Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kinshasa, Congo, with over 8 years of experience serving global industries.
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