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sales@www.nknutbolt.com

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Shop No- 6B, Ground Floor, Sindhi Ln, opposite Municipal School, Charni Road East, Cawasji Patel Tank, Girgaon, Mumbai, Maharashtra 400004

 

ASTM A194 Grade 4 Bolts, Nuts, Washers

ASTM A194 Grade 4 Bolts, Nuts, Washers Manufacturer & Supplier in Mumbai, India

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.

astm bolts
astm washers

ASTM A194 Grade 4 Chemical Composition

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

ASTM A194 Gr 4 Hardness Requirement

Grade & Type Brinell Hardness Rockwell Hardness
C Scale B Scale
4, 7, 16 248-327 24 – 35
Industries We Serve - ASTM A194 Grade 4 Bolts, Nuts, Washers
  • Sugar Industries
  • Cement Industries
  • Shipbuilding Industries
  • Chemical Industries
  • Petrochemical Industries
ASTM A194 Gr 4 Supply and Export Destination - Neelkamal Alloys LLP
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