Request For Our Latest Prices On Stainless Steel 446 Nuts in Bangkok, Thailand!
Pengkumta Fasteners, a top-notch manufacturer and supplier based in Bangkok, Thailand, is all about delivering high-quality Stainless Steel 446 Nuts that are perfect for tough industrial applications. With state-of-the-art production facilities and a keen eye on quality control, this company produces precision-engineered nuts that promise outstanding durability, strength, and resistance to corrosion. What sets Stainless Steel 446 Nuts apart is their remarkable ability to resist oxidation and scaling, even at high temperatures. Pengkumta Fasteners is committed to providing cost-effective solutions, timely deliveries, and a customer-first approach, making them a trusted partner for industries both locally and globally.
These Stainless Steel 446 Nuts are made with a high chromium content (around 23–27%) and very little nickel, which gives them exceptional resistance to oxidation, sulfuric gases, and scaling in high-temperature environments. The elevated chromium levels boost corrosion resistance, while molybdenum and other trace elements enhance toughness and durability. These nuts boast impressive mechanical properties, including solid tensile and yield strength, hardness, and thermal stability. They maintain their strength even at elevated temperatures and resist creep, making them ideal for high-heat and aggressive settings where longevity is key.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 446 | min. | – | – | – | – | – | 23.0 | – | – | 0.10 |
| max. | 0.2 | 1.5 | 0.75 | 0.040 | 0.030 | 30.0 | – | 0.50 | 0.25 | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 446 | 485 | 275 | 20 | 92 | 201 |
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
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 Stainless Steel 446 Nuts in a variety of industries, including power generation, petrochemical, chemical processing, and furnace equipment manufacturing. Their outstanding heat and oxidation resistance make them perfect for boilers, kilns, heat exchangers, and thermal processing units. In refineries and chemical plants, they stand up to corrosive gases and harsh chemicals. They’re also a go-to choice for marine applications, where they resist saltwater corrosion. Plus, Stainless Steel 446 Nuts are used in heavy machinery, exhaust systems, and architectural projects, ensuring they perform reliably even under extreme conditions.
We thoroughly test all products, including Stainless Steel 446 Nuts, before delivery to ensure quality. Our rigorous testing includes hardness, chemical analysis, PMI testing, levelling, micro and macro testing, pitting resistance, flare and IGC testing. We provide the necessary documentation, including invoices, packaging and legal certificate of origin. Additionally, we provide third-party review certifications to ensure optimal customer satisfaction.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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