• Fasteners for almost all your needs


  • TorqBolt provided Fastening Solutions with Desired Finish

  • Superior Washers for Better Fastening




ASTM A490 Type 3 Bolts Suppliers, Manufacturers

astm-a490-BoltsA490 Specification classifies Type 3 Grade for Structral heavy hex Bolts only.A490 specified bolts Should not be coated by hot-dip galvanizing,any mechanical deposition, or electroplating with zinc due to the potential risk of hydrogen embrittlement.TorqBolt Manufactures Both Type 3 Grade Bolts under ASTM A490 Specification.

For quick Quote on A490 Anchor Bolts/Structural Bolts, please contact our Sales team.

Related Keywords for ASTM A490 Specification : Astm A490 Specification,Astm A490 bolts,A490 Structural bolts,A490 bolts,A325 Vs A490 Bolts,A490 Steel Material etc.

Grades

Type 1 Medium carbon, carbon boron, or medium carbon alloy steel.
Type 3 Weathering steel.

 

Material Chemical Composition

 

Type 3 Bolts, Class *
ELEMENT A B C D E F
Carbon 0.33 - 0.40% 0.38 - 0.48% 0.15 - 0.25% 0.15 - 0.25% 0.20 - 0.25% 0.20 - 0.25%
Manganese 0.90 - 1.20% 0.70 - 0.90% 0.80 - 1.35% 0.40 - 1.20% 0.60 - 1.00% 0.90 - 1.20%
Phosphorus, max 0.035% max 0.06 - 0.12% 0.035% max 0.035% max 0.035% max 0.035% max
Sulfur, max 0.040% 0.040% 0.040% 0.040% 0.040% 0.040%
Silicon 0.15 - 0.35% 0.30 - 0.50% 0.15 - 0.35% 0.25 - 0.50% 0.15 - 0.35% 0.15 - 0.35%
Copper 0.25 - 0.45% 0.20 - 0.4% 0.20 - 0.5% 0.30 - 0.50% 0.30 - 0.60% 0.20 - 0.40%
Nickel 0.25 - 0.45% 0.50 - 0.80% 0.25 - 0.50% 0.50 - 0.80% 0.30 - 0.60% 0.20 - 0.40%
Chromium 0.45 - 0.65% 0.50 - 0.75% 0.30 - 0.50% 0.50 - 1.00% 0.60 - 0.90% 0.45 - 0.65%
Vanadium   0.020% min      
Molybdenum   0.06% max   0.10% max    
Titanium     0.05% max    

 

Recommended Nuts & Washer

Nuts Washers
Plain Galvanized F436
1/4 - 1-1/2 1-5/8 - 3 1/4 - 3
A563B Hex A563A heavy hex A563DH heavy hex

 

 

Copyright © 2024 TorqBolt. All rights reserved. | Sitemap