ASTM A307 Bolts

Visionalloy is a prominent company serving one of the rarest of rare fasteners known as ASTM A307 Bolts, which are engulfing the mechanical and chemical needs in their specification for carbon steel bolts. However, the three variating grades are named grade A and grade B, along with grade C, which is carbon steel bolts and is also considered by the specification of these fasteners. The intended usage, along with the tensile strength, is the actual designation of ASTM A307 Bolts.

Category wise each fasteners indication suggests their major use and specialty for information grade A category having ASTM A307 Carbon Steel Bolts serves tensile strength (minimum) by 60 KSI, which is usually used for general purpose applications. And the grade 2 category has ASTM A 307 Screws, which gives tensile strength from 60 KSI to 100 KSI. Exactly the contrasting applications seek both fasteners. In simple terms, grade 2 is used by the applications pipping system having flanged iron joints, and the general-purpose application just uses grade A. However, on the next side, we have the grade C category having ASTM A307m Hex Nut, which serves yield strength by 36 KSI.

ASTM F1554 Gr.36 is the official replacement in grade C fasteners. According to the specimen sampling specification, quality testing for the ASTM A307 Socket Head Fasteners is highly mandatory to note some stringent values of various parameters. The parameters are not just about the chemical section but also the elongation, hardness, yield point, and tensile section and the dimension embedded in the mechanical attributes. Although the above parameters’ checking is conducted, it must not be considered for the other segments such as forming screws or thread cutting, machine screws, and mechanical expansion along with other similar fasteners that are externally threaded

SA307 Hex Bolts and Nuts Manufacturer in India, Refer Dimension

ASTM A307 Bolts Overview
Ready Stock: 1/4″ through 4″
Custom Sizes: Available
Length: 3mm to 200mm
International Standard: DIN 931, DIN 970, DIN 933,ASME B18 2.2 and ASME B18 2.1
European and American Standard: ASTM A307, ASME SA 307
Raw Material Origin: New Zealand, Algeria, United Kingdom, SA, Europe, Morocco, South Africa, Australia, India etc
Suitable Environment: Non Critical
Finish: Phosphating, HDG, Oxidation, Plain
Thread Pitch: Fine Thread and Coarse Thread
Threads: Rolled, UNJ, UNC, UNF, UNR
Temperature Range: -20°F to 450°F
MTC: EN 10204 3.1B
To Know About Latest Price List of ASTM A307 Bolts Please Contact Us

ASTM A307 Threaded Rod

ASTM A307 Threaded Rod

A307 Galvanized Bolt

A307 Galvanized Bolt

A307M Through Bolts

A307M Through Bolts

 

ASME SA 307 Carbon Steel Stud provides some amazing features like being lightweight, accurate by dimensions, robust construction, and many more, which is all the way hard-worked did by our professional team which has the only aim of quality serving, such that various checking based on quality parameters are conducted on each grade manufactured.

The ASME SA 307 Studs are produced in major volumes due to different industries’ numerous demands coming daily. Customers if need basic size grade we serve them very fast. Still, for dimensional customization, our experts’ time to delivery is slightly farther due to dimensional checking done by our experts such that the client receives the best quality than any other dealer.

Formation of nickel carbonyl takes place at temperature by 40 Degree C to 80 Degree C possessing sulphur catalyst where carbon monoxide complies ASME SA 307 Fasteners’ reaction. ASME SA Grade B Fasteners nickel distillation gives creation to pentacarbonyl (served by iron), which is again a low process along with the introduction of dicobalt octacarbonyl takes place.

ASTM A307 Fasteners Specification
Bolts Size
ASTM A307 Bolts Metric Size
  • 1/4″ through 4″
Metric Size
A307 Steel Threaded Rod Length
  • Up to 12 feet

 

 Length
SA307 Hex Bolts Temperature Range
  • -20°F to 450°F
 Thread Pitch
A307M Through Bolts Tensile Strength
  • 60000 PSI
 Manufacturing Methods
ASTM A307 Carriage Bolts Yield Strength
  • 36,000 psi
Form
ASTM A307 Grade A Studs Hardness Range
  • 121 – 241 BHN

 

Temperature
ASTM A307 Grade B Nuts Thread Types
  • UNF
  • BSF
  • UN8
  • UNC
  • UNR
 Standards
ASTM A307 Fasteners Types
  • Bolt
  • Nuts
  • Threaded rod
  • Screws
  • Stud bolt
  • Washer
  • Hex bolt
Material
ASTM A307 Bolts Head Types
  • Socket Cap
  • Oval
  • Pan
  • Round
  • Truss
  • Flat
  • Hexagon

 

 

Supplier of A307 Steel Threaded Rod in Different Sizes, Check Torque Chart

A307 Gr B Threaded Rod Size Chart

Vision Alloys is Specialized ASTM A307 Bolts Manufacturer in India Offers Custom Sizes

Thread Size M3 M4 M5 M6 M8 M10 M12 M16 M20
Major Dia 3 4 5 6 8 10 12 16 20
Thread Pitch (mm) 0.5 0.7 0.8 1 1.25 1.5 1.75 2 2.5
Tapping Drill Size 2.5 3.3 4.2 5 5.8 8.5 10.2 14 17.5

 

ASTM A307 Bolt Torque Chart
Bolt Size 1⁄4 3⁄8 5⁄16 7⁄16 11⁄8 9⁄16 1⁄2 5⁄8 7⁄8 3⁄4 1 11⁄4
TPI 20 16 18 14 7 12 13 11 9 10 8 7
Proof Load (lbs)1 1,053 2,567 1,735 3,521 25,271 6,028 4,700 7,485 15,301 11,062 20,071 32,093
Clamp Load (lbs)2 790 1,925 1,302 2,640 18,953 4,521 3,525 5,614 11,476 8,297 15,053 24,070
Tightening Torque (ft lbs) Galv+Waxed 2 6 3 10 178 21 15 29 84 52 125 251
Galv 4 15 8 24 444 53 37 73 209 130 314 627
Plain 3 12 7 19 355 42 29 58 167 104 251 501
Bolt Size 13⁄8 13⁄4 11⁄2 2 33⁄4 21⁄2 21⁄4 23⁄4 31⁄4 3 31⁄2 4
TPI 6 5 6 41⁄2 4 4 41⁄2 4 4 4 4 4
Proof Load (lbs)1 38,254 62,928 46,534 82,800 3,19,939 1,32,480 1,07,640 1,63,282 2,35,152 1,97,726 2,75,890 3,66,970
Clamp Load (lbs)2 28,690 47,196 34,900 62,100 2,39,954 99,360 80,730 1,22,461 1,76,364 1,48,295 2,06,917 2,75,227
Tightening Torque (ft lbs) Galv+Waxed 329 688 436 1,035 7,499 2,070 1,514 2,806 4,777 3,707 6,035 9,174
Galv 822 1,721 1,091 2,588 18,746 5,125 3,784 7,016 11,941 9,268 15,088 22,936
Plain 657 1,377 873 2,070 14,997 4,140 3,027 5,613 9,553 7,415 12,070 18,348

 

Exporter of SA 307 Gr B Heavy Hex Bolt as per ASME B18.2.1 Standards at Lowest Price in Mumbai

Price List of ASTM A307 Metric Bolts

To Know About ASTM A307 Bolts Price Per Kg in India Please Contact Us A307 Fasteners Price List

Check ASTM A307 Galvanized Bolts Chemical Composition Before Buying the Material
SA307 Hex Bolts Chemical Composition

Vision Alloys is Trusted ASTM A307 Bolts Supplier in India

Element Mn C S P Si Ni Cr Mo Cu
Alloy Group 1, Type 304 2.00% 0.08% 0.03% 0.05% 1.00% 8.0 to 10.5% 18.0 to 20.0% 1.00%
Alloy Group 2, Type 316 2.00% 0.08% 0.03% 0.05% 1.00% 10.0 to 14.0% 16.0 to 18.0% 2.00 to 3.00%

 

Types of ASME SA307 Fasteners

ASTM A307 Bolts Manufacturer in India, Offers Various Types at Best Price

ASME SA307 Nuts

ASME SA307 Nuts

ASTM A307 Metric Bolts

ASTM A307 Metric Bolts

SA307 Hex Bolts title=SA307 Hex

SA307 Hex Bolts title=SA307 Hex

A307 Heavy Hex Bolt

A307 Heavy Hex Bolt

ASTM A307 Carriage Bolts

ASTM A307 Carriage Bolts

Refer ASTM A307 Grade A Studs Mechanical Properties and Recommanded Nuts and Washers
A307 Heavy Hex Bolt Mechanical Properties
Alloy Group 1 2
Condition AF CW1 A CW2 AF CW1 A CW2
Marking F594A F594C F594B F594D F594E F594G F594F F594H
Diam Range 1/4 to 1-1/2 1/4 to 5/8 1/4 to 1-1/2 3/4 to 1-1/2 1/4 to 1-1/2 1/4 to 5/8 1/4 to 1-1/2 3/4 to 1-1/2
Proof Stress, Heavy Hex Nuts, ksi 76 108 81 92 76 108 81 92
Proof Stress, Hex Nuts, ksi 70 100 75 85 70 100 75 85
Rockwell Hardness B85 max B95 to C32 B65 to 95 B80 to C32 B85 max B95 to C32 B65 to 95 B80 to C32

 

A307 Anchor Bolts Recommanded Nuts and Washers
Bolt Grade A  – 11/2 ” to 4 “ Grade A  – 1/4″ to 11/2 “ Grade B  – 1/4″ to 4 “
Washer F844 F844 F844
Nut A563A Heavy hex A563A Hex A563A Heavy hex

 

A307 Gr A Stud Bolt Equivalent Properties
Dia Range All All through 1″ (M24) through 1″ (M24) above 1″ (M24) All through 1-1/2″ (M36) through 1-1/2″ (M36)
Metric Grade 4.6 12.9 8.8 5.8 8.8 10.9 8.8.3 10.9.3
Approximate ASTM Equivalent grade A307A A574 A449 A193B7/A354BC or F1554G105 A490/A354BD A325 Type 3 / A449 Type 3 A490 Type 3

 

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