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Shop No- 6B, Ground Floor, Sindhi Ln, opposite Municipal School, Charni Road East, Cawasji Patel Tank, Girgaon, Mumbai, Maharashtra 400004
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Physical Address -
Shop No- 6B, Ground Floor, Sindhi Ln, opposite Municipal School, Charni Road East, Cawasji Patel Tank, Girgaon, Mumbai, Maharashtra 400004
Home » Data Sheet » ASTM A194 Grade 4 Bolts, Nuts, Washers
Neelkamal Alloys LLP is a leading ASTM A194 Grade 4 Bolts, Nuts, Washers manufacturer, supplier and dealer in Mumbai, India. ASTM A194 Grade 4 is a high-strength 5% chromium ferritic steel used to make bolts, studs, stud bolts, and other fasteners for bolting pressure vessels, valves, flanges, and fittings, particularly in the power generating sector. The ASTM A194 standard covers alloy and stainless steel bolting for pressure vessels, valves, flanges, and fittings used in high-temperature or high-pressure environments, as well as other specialized applications. There are numerous grades available, including ferritic and austenitic stainless steels with designations such as B5, B6, B7, B8, B8M, and so on.
Grade | Material | UNS Number | C, % | Mn, % | Ph, % | S, % | Si, % | Cr, % | Ni, % | Mo, % | Ti, % | Cb & Ta, % | N, % | Other Elements, % |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
4 | carbon, molybdenum | 0.40-0.50 | 0.70-0.90 | 0.035 | 0.040 | 0.15-0.35 | – | 0.20-0.30 | – | – | – | – |
Grade & Type | Brinell Hardness | Rockwell Hardness | |
---|---|---|---|
C Scale | B Scale | ||
4, 7, 16 | 248-327 | 24 – 35 | – |
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