ASTM A449 Bolts

ASTM A449 Hex Bolts, ASTM A449 Medium Carbon Martensite Steel Bolts, ASTM A449 Galvanized Bolts, ASTM A449 Flange Bolt, ASTM A449 Weathering Steel Bolt, ASTM A449 Lag Bolt Manufacturer in Mumbai, India.

ASTM A449 Bolts
ASTM A449 Bolts

Steel Tubes India is the largest manufacturer Of ASTM A449 Fastener range and stock in all sizes of bolts, nuts, washers, hex socket screws, metal thread screws, self-tapping & wood screws and security products in metric, imperial and in all grades. ASTM A449 is the standard specification for alloy-steel and stainless steel bolts used in high-temperature or high-pressure environments or other special-purpose applications. Steel Tubes India has been manufacturing ASME SA 449 SS Bolts, ASTM A449 Head Hex Bolts and custom fasteners as requirement of customer since 1968.

ASME A449 Carbon Steel Bolt specification is heavily utilized in petroleum and chemical construction applications. ASTM A449 12-Point Bolt are clean, bright, smooth, and acclaimed for their durable performance and rugged construction.. The bolts, cap screws, and studs shall be manufactured from material having a chemical composition conforming to the requirements specified. The ASTM A449 Fasteners has some unique features to offer such as Optimum strength, Corrosion resistance, Chemical resistance, Rugged design, High conductivity, Smooth surface & etc.

We manufacture premium quality ASTM A449 Bolts which are ideal for high pressure along with cold and hot temperature applications. We manufacture different types of ASTM SA 449 Bolts in hot forged or cold formed bolts in almost all shapes & sizes. We also provide passivation, quality coating further processing as per client's requirement.

ASTM A449 Hex Head Bolts, ASTM A449 Screws, ASTM A449 Hexagon Head Screw, ASTM A449 12-Point Bolts, ASTM A449 Square Bolts, ASTM A449 Socket Head Cap Screws, ASTM A449 Threaded Rods, ASTM A449 Heavy Hex Bolts Supplier. Check ASTM A449 Bolts Price in India.

Table Of Contents

ASTM A449 Bolts Scope

ASTM A449 covers headed bolts, rods, and anchor bolts in diameters ranging from 1/4″ through 3″ inclusive. It is a medium strength bolt manufactured from a medium carbon or alloy steel that develops its mechanical values through a heat treating process. It is intended for general engineering applications.

ASTM A449 is virtually identical in chemistry and strength to ASTM A325 and SAE J429 grade 5. However, A449 is more flexible in the sense that it covers a larger diameter range and is not restricted by a specific configuration.

Like many of the ASTM regulations A449 has different types within itself. Type 1, Type 2, and Type 3 A449 are designated by unique markings on the head and in this instance refer to different materials used in each. Specifically the callouts designate:

  • Type 1 - Plain carbon steel, alloy steel, carbon boron steel, or alloy boron steel.
  • Type 2 – Withdrawn in 2003
  • Type 3 – Weathering steel

ASTM A449 Bolts Packaging

  • - Bundles (hexagonal)
  • - Wooden Boxes
  • - Crates (steel/wooden)
  • - Packaging for ASTM A449 Bolts as per customer's requirements

Special Features:

  • - Each bundle covered with plastic for protection against extreme weather.
  • - End of ASTM A449 Bolts protected by plastic caps.
  • - Bundles strapped with plastic strips.
  • - Each radius of U-Bend tube separated by a separator.
  • - Packaging list (laminated) placed with box/crate.

Equivalent Grades Of ASTM A449 Bolts

TYPE 1 Plain carbon steel, carbon boron steel, alloy steel, or alloy boron steel.
TYPE 2 Withdrawn 2003
TYPE 3 Weathering steel.

ASTM A449 Bolts Industrial Applications

  • ASTM A449 Bolts uses in Aircraft Exhaust Manifolds
  • ASTM A449 Bolts uses in Off-Shore Oil Drilling Companies
  • ASTM A449 Bolts uses in Power Generation
  • ASTM A449 Bolts uses in Petrochemicals
  • ASTM A449 Bolts uses in Gas Processing
  • ASTM A449 Bolts uses in Specialty Chemicals
  • ASTM A449 Bolts uses in Pharmaceuticals
  • ASTM A449 Bolts uses in Pharmaceutical Equipment
  • ASTM A449 Bolts uses in Spiral Welded tube for burner pipes and flues
  • ASTM A449 Bolts uses in Sea Water Equipment
  • ASTM A449 Bolts uses in Heat Exchangers

ASTM A449 Bolts Mechanical Properties

Size Tensile, ksi Yield, ksi Elong. %, min RA %, min
1⁄4 - 1 120 min 92 min 14 35
11⁄8 - 11⁄2 105 min 81 min 14 35
15⁄8 - 3 90 min 58 min 14 35

ASTM A449 Grade B Bolts, ASTM A449 Square Bolts, ASTM A449 Carbon Steel Studs, ASTM A449 Hex Headed Bolts, ASTM A449 60000 PSI Tensile Strength Bolts Exporter in Mumbai, India.

ASTM A449 Bolts Chemical Composition

Type 1 Bolts
Element Carbon Steel Carbon Boron Steel Alloy Steel Alloy Boron Steel
Carbon 0.30 - 0.52% 0.30 - 0.52% 0.30 - 0.52% 0.30 - 0.52%
Manganese, min 0.60% 0.60% 0.60% 0.60%
Phosphorus, max 0.040% 0.040% 0.035% 0.035%
Sulfur, max 0.050% 0.050% 0.040% 0.040%
Silicon 0.15-0.30% 0.10 - 0.30% 0.15 - 0.35% 0.15 - 0.35%
Boron 0.0005 - 0.003% 0.0005 - 0.003%
Alloying Elements * *
* Steel, as defined by the American Iron and Steel Institute, shall be considered to be alloy when the maximum range given for the content of alloying elements exceeds one of more of the following limits: Manganese, 1.65%, silicon, 0.60%, copper, 0.60%, or in which a definite range or a minimum quantity of any of the following elements is specified or required within the limits of the recognized field of constructional alloy steels: aluminum, chromium up to 3.99%, cobalt, columbium, molybdenum, nickel, titanium, tungsten, vanadium, zirconium or any other alloying elements added to obtain a desired alloying effect.
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 0.035% max 0.06 - 0.12% 0.035% max 0.035% max 0.035% 0.035%
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 - 0.40% 0.20 - 0.50% 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
* Selection of a class shall be at the option of the manufacturer

ASTM A449 Bolt Torque Chart

Bolt Size TPI Proof Load (lbs)  Clamp Load (lbs)  Tightening Torque (ft lbs)
Galv+Waxed Galv Plain
1⁄4 20 2,700 2,025 4 11 8
5⁄16 18 4,450 3,338 9 22 17
3⁄8 16 6,600 4,950 15 39 31
7⁄16 14 9,050 6,788 25 62 49
1⁄2 13 12,050 9,038 38 94 75
9⁄16 12 15,450 11,588 54 136 109
5⁄8 11 19,200 14,400 75 188 150
3⁄4 10 28,400 21,300 133 333 266
7⁄8 9 39,250 29,438 215 537 429
1 8 51,500 38,625 322 805 644
11⁄8 7 56,450 42,338 397 992 794
11⁄4 7 71,700 53,775 560 1,400 1,120
13⁄8 6 85,450 64,088 734 1,836 1,469
11⁄2 6 104,000 78,000 975 2,438 1,950
13⁄4 5 104,500 78,375 1,143 2,857 2,286
2 41⁄2 137,500 103,125 1,719 4,297 3,438
21⁄4 41⁄2 178,750 134,063 2,514 6,284 5,027
21⁄2 4 220,000 165,000 3,438 8,594 6,875
23⁄4 4 271,150 203,363 4,660 11,651 9,321
3 4 328,350 246,263 6,157 15,391 12,313
* SAE J429 grade 5 bolts do not exceed 1-1/2" diameter.

ASTM A449 Recommended Hardware

Nuts Washers
Plain Galvanized
1/4 - 1-1/2 1-5/8 - 3 1/4 - 3
A563B Hex A563A Heavy Hex A563DH Heavy Hex F436
Note: Nuts of other grades having proof load stresses greater than the specified grade are suitable. The ASTM A563 Nut Compatibility Chart has a complete list of specifications.

Manufacturer Of Following ASTM A449 Bolts

Type of ASTM A449 Bolts

ASTM A449 Hex Bolts

ASTM A449 Hex Bolts

EN 1665 ASTM A449 F Hexagon bolts with flange, heavy series, Form F

ASTM A449 Hex Bolts

ISO 4014 ASTM A449 Hexagon bolts with shaft, product classes A and B

ASTM A449 Hex Bolts

ISO 4017 ASTM A449 Hexagon bolts with thread to the head – Product grades A and B 

ASTM A449 Hex Bolts

ISO 8676 ASTM A449 Hexagon bolts with thread to head, metric fine thread

ASTM A449 Hex Bolts

ISO 8765 ASTM A449 Hexagon head bolts with shank, metric fine thread

ASTM A449 Hex Bolts

ISO 4018 ASTM A449 Hexagon bolts with thread to head

ASTM A449 Hex Bolts

ISO 4016 ASTM A449 Hexagon bolts with shaft, product class C

ASTM A449 Hex Bolts

EN 24015 ASTM A449 Hexagon head bolts with shank, relieved shank

ASTM A449 Hex Bolts

CSN 02 1104 ASTM A449 Bright hexagon bolts with hole in the head

ASTM A449 Hex Bolts

CSN 02 1105 ASTM A449 Bright hexagon bolts with slot

ASTM A449 Hex Bolts

CSN 02 1105 ASTM A449 B Bright hexagon bolts with slot
       
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ASTM Standards Of ASTM A449 Bolts

TYPE 1 Plain carbon steel, carbon boron steel, alloy steel, or alloy boron steel.
TYPE 2 Withdrawn 2003
TYPE 3 Weathering steel.

Available ASTM A449 Bolts Other Types

  • ASTM A449 Bolts
  • ASTM A449 Non Ferrous Bolts
  • ASTM A449 Hex Bolts Stockist
  • ASTM A449 Hex Head Bolts Supplier
  • ASTM A449 Square Bolts
  • ASTM A449 Bolts Exporter
  • ASTM SA449 Screws Dealer
  • A449 Hex Cap Screws Exporter
  • ASTM A449 Studs Supplier
  • ASTM A449 Socket Head Cap Screws Supplier
  • ASTM A449 Bolts Manufacturer
  • ASTM A449 Threaded Rods Exporter
  • ASTM A449 Heavy Hex Bolts Distributor
  • ASTM A449 Bolts Stockholder
  • A449 Hexagon Bolts
  • ASTM A449 Hex Head Bolts Stockist
  • ASTM A449 Screws
  • A449 Hexagon Head Screw Manufacturer in India
  • ASTM A449 Hexagon Head Cap Bolts
  • ASTM A449 Studs

Coatings We Provide For ASTM A449 Bolts

Trademark Notice

  • Inconel, Incoloy and Monel are registered trademarks of Special Metals Group of Companies.
  • Hastelloy is a registered trademark of Haynes International.
  • 254 SMO is a trademark owned by Outokumpu Stainless.
  • Sanicro 28 is a registered trademark of Sandvik AB.

Value Added Services Provided By Steel Tubes India While Buying ASTM A449 Bolts

  • Government and Private Laboratory Testing
  • Very Quick Delivery
  • Mill Test Report/ Digital Mill Test Report in Accordance with EN10204 NACE 3.1, NACE 3.2
  • High Pressure Sustainability
  • Test certificate from ISO 17025 Standards Laboratory
  • Same Day Shipping of the Goods
  • Impeccable Surface Finish
  • Product Replacement Warranty
  • After Sales Support and Service
  • World Class Buying Experience
  • Largest Stockholder in the Country
  • Stringent Quality Testing and Control
  • 3rd Party Inspection

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ASTM A449 Bolts Supplier

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ASTM A449 Bolts Exporter

Malaysia, Germany, Venezuela, Afghanistan, Ireland, United Arab Emirates, Jordan, Zimbabwe, Indonesia, Saudi Arabia, Ukraine, Czech Republic, Pakistan, Kuwait, Iraq, Iran, Bahrain, Algeria, Argentina, Slovakia, Qatar, Colombia, Russia, Lebanon, Kazakhstan, Ghana, Turkey, South Africa, Oman, Belarus, Gambia, Switzerland, Bhutan, Bulgaria, Morocco, Nepal, Singapore, China, Lithuania, Italy, Kenya, Japan, Sweden, Bangladesh, Namibia, New Zealand, Belgium, Taiwan, Libya, Hong Kong, Mexico, Poland, Norway, Puerto Rico, Thailand, Gabon, Estonia, Vietnam, India, Tibet, Australia, Nigeria, Angola, Sri Lanka, Brazil, Costa Rica, South Korea, Finland, Philippines, Iran, Chile, Trinidad & Tobago,Tunisia, Denmark, Hungary, Croatia, Azerbaijan, Ecuador, Nigeria, Chile, Romania, Mongolia, Greece, Spain, United States, Canada, Macau, Israel, Serbia, Netherlands, Egypt, France, Bolivia, Peru, Mexico, United Kingdom, Austria, Portugal, Yemen, Poland


ASTM A449 Bolts Inventory

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