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Chanchai Stainless is a reliable manufacturer and supplier based in Bangkok, Thailand, specializing in high-quality stainless steel fasteners, including stainless steel bolts. Known for their precision, durability, and corrosion resistance, Chanchai’s stainless steel bolts are widely used in construction, automotive, marine, and industrial applications. Manufactured using advanced techniques and top-grade materials, these bolts meet international standards for mechanical performance and longevity. Coming in different sizes, forms, and thread types, Chanchai Stainless guarantees reliable quality and timely supply, and therefore makes the best business partner for customers in Thailand and overseas.
Stainless steel bolts are normally produced using grades 304, 304L, 316, and 316L. These alloys have chromium (18–20%) and nickel (8–12%) for corrosion endurance, and the 316 grades also include molybdenum for improved performance in sea or chemical environments. Stainless steel bolts provide tensile strength of 500–700 MPa and yield strength of 200–300 MPa, which varies according to the grade. They are not magnetic, resistant to heat, and retain their strength in severe conditions. Their superior mechanical and chemical characteristics make them suitable for long-term fastening in severe environments.
| ASTM/ASME Specifications | ASTM A193 / ASME SA 193, ASTM A194 / ASME SA 194 |
| Bolts, Studs Threads | UNC, METRIC, BSF, UNF, BSW or Custom |
| Head drive | Phillips, Six-Lobe, Phillips/Slot, Slotted |
| Stainless Steel Bolts | Hex Bolts, Flange Bolts, Square Bolts, T Bolts, Eye Bolts, U Bolts, Lag Bolts, Counter Sunk Bolts, J Bolts, Hex Head Bolts |
| Grade | AISI | Stainless Steel Bolts Chemical Composition (% maxima unless stated) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Mo | Ni | Cu | ||||||
| A1 | SS 202 | 0.12 | 1.0 | 6.5 | 0.20 | 0.15-0.35 | 16,0 – 19,0 | 0.7 | 5,0 – 10,0 | 1.75-2.25 | ||||
| A2 | SS 304 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 15,0 – 20,0 | 0.0 | 8,0 – 19,0 | 4.0 | ||||
| A3 | SS 321 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 17,0 – 19,0 | 0.0 | 9,0 – 12,0 | 1.0 | ||||
| A4 | SS 316 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 16,0 – 18,5 | 2,0 – 3,0 | 10,0 – 15,0 | 4.0 | ||||
| C1 | SS 410 | 0.09-0.15 | 1.0 | 1.0 | 0.05 | 0.03 | 11,5 – 14,0 | – | 1 | – | ||||
| C3 | SS 431 | 0.17-0.25 | 1.0 | 1.0 | 0.04 | 0.03 | 16,0 – 18,0 | – | 1,5 – 2,5 | – | ||||
| C4 | SS 416 | 0.08-0.15 | 1.0 | 1.5 | 0.06 | 0.15-0.35 | 12,0 – 14,0 | 0.6 | 1 | – | ||||
| F1 | SS 430 | 0.12 | 1.0 | 1.0 | 0.04 | 0.03 | 15,0 – 18,0 | 0.0 | 1 | – | ||||
| Stainless Steel Bolts | Class | Tensile Stress Rm MPa (N/mm2) minimum | Yield Strength Rp 0.2 Mpa (N/mm2) minimum | AL Minimum Elongation | Diameter |
|---|---|---|---|---|---|
| Stainless Steel Bolts | 70 | 700 | 450 | 0.4d | =<M20 |
Contact us to get a quick quote for your requirement.
Chanchai Stainless provides superior quality with its stringent tests carried out on every material-hardness, chemical analysis through spectro analysis, PMI testing, flattening, micro and macro tests, pitting resistance, flaring, and IGC tests. It makes sure to test all of this so as to give out perfect performance. Along with the commitment to quality, we give all the important documents like commercial invoices, a packaging list including net and gross weights, box numbers, labels, and a Certificate of Origin legalized or attested by the Chamber of Commerce or Embassy. Besides, our Third-Party Inspection Certificate further complements our promise to achieve 100% client satisfaction in our Bolts Price List.
Yes, stainless steel bolts can be welded, but it depends on the grade of the steel. Proper welding techniques and filler materials are required to maintain strength and corrosion resistance.
Stainless steel bolts can be magnetic or non-magnetic, depending on the alloy. Ferritic and martensitic stainless steels are magnetic, while austenitic stainless steels are typically non-magnetic.
Yes, we provide ss bolts standard and customized dimensions and polishes to meet your specific project requirements. For more details mail us on sales@chanchaistainless.com
Yes, stainless steel bolts can be used for underground applications due to their corrosion resistance and durability. However, the specific grade should be selected based on environmental conditions.
Stainless steel bolts find extensive application in various applications because of their strength, rust resistance, and long life. They are critical to infrastructure development and structural connections in construction. They find application in the marine sector for shipbuilding and offshore platforms due to their ability to resist corrosion from saltwater. In the aerospace and automobile industries, they yield strong fastening for high-performing parts. They find applications in machinery, pipelines, bridges, and renewable energy facilities. They also come in handy in food processing, pharmaceuticals, and chemical manufacturing due to their hygienic and non-reactive characteristics.
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