ASTM A307 Bolts
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Rimco Overseas is the biggest producer Of ASTM A307 Bolts Fastener range and stock in all sizes of fasteners, nuts, washers, hex attachment screws, metal string screws, self-tapping & wood tightens and security items metric, supreme and in all evaluations. ASTM A307 Bolts is the standard determination for amalgam steel and hardened steel jolts utilized in high-temperature or high-weight conditions or other uncommon reason applications. Steel Tubes India has been assembling ASME SA 307 SS Bolts, ASTM A307 Bolts Head Hex Bolts and custom clasp as prerequisite of client since 1968.The ASTM A307 Bolts specification covers carbon steel bolts and studs ranging from 1/4″ through 4″ diameter. This is your everyday, run of the mill bolt specification often manufactured using A36 round bar. There are three grades A, B, and C which denote tensile strength, configuration, and application.
ASME A307 Stainless Steel Bolt detail is intensely used in oil and synthetic development applications. ASTM A307 Bolts 12-Point Bolt are spotless, brilliant, smooth, and acclaimed for their sturdy execution and tough development.. The fasteners, top screws, and studs will be fabricated from material having a synthetic arrangement complying with the necessities indicated. The ASTM A307 Bolts Fasteners has some one of a kind highlights to offer, for example, Optimum quality, Corrosion obstruction, Chemical opposition, Rugged plan, High conductivity, Smooth surface & etc. ASTM A307 Bolts is the standard detail for carbon steel jolts, studs, and strung bars of 60000 PSI elasticity in sizes from ¼ inch to 4 crawls in breadth. A307 jolts from Glaser and Associates are accessible in two evaluations, An and B, offering diverse mechanical and compound properties for explicit applications.
We fabricate premium quality ASTM A307 Bolts which are perfect for high weight alongside cold and hot temperature applications. We produce distinctive sorts of ASTM SA 307 Bolts in hot manufactured or cold framed rushes in practically all shapes & sizes. We additionally give passivation, quality covering further preparing according to customer's requirement. These bolts are structured, made and tried to conform to the guidelines set by ASTM A307 Bolts for synthetic piece, hardness, rigidity, yield point, lengthening, and dimensional exactness.They are intended to grapple or bolster structures and modern gear in conditions where strength and soundness is basic. Basic applications incorporate solid structures, sections, establishments and cushions.
For applications that must meet explicit building necessities, hand crafted headed grapple jolts, stay bars and bowed stay rushes in explicit materials might be progressively appropriate. If it's not too much trouble counsel our specialized office.
ASTM A307 Bolts Specification
This detail covers synthetic, mechanical necessities for austenitic evaluation hardened steel attachment set screws (SSS) for magnificent sizes between 0.060 through 0.500 inch in two combination condition, AF and CW. ASTM A307 BoltsM is a measurement partner to this particular spread similar items in metric size from M1.6 to M12. These hardened steel attachment set tightens are planned for use applications where general consumption opposition is required. Steel Tubes India produces Socket Set Screws according to ASTM A307 Bolts under evaluations 303, 304, 304L, 316 and 316L principally
Equivalent Grades Of ASTM A307 Bolts
| Grade A | Hex Headed Bolts, studs and threaded rods or any other bolting having a minimum tensile strength of 60 ksi, intended for general purpose applications. |
| Grade B | Hex Headed Bolts, studs, and threaded rods or any other bolting having a tensile strength of 60 to 100 ksi and intended for flanged joints in piping systems. |
ASTM A307 Bolts Industrial Applications
- ASTM A307 Bolts uses in Aircraft Exhaust Manifolds
- ASTM A307 Bolts uses in Off-Shore Oil Drilling Companies
- ASTM A307 Bolts uses in Power Generation
- ASTM A307 Bolts uses in Petrochemicals
- ASTM A307 Bolts uses in Gas Processing
- ASTM A307 Bolts uses in Specialty Chemicals
- ASTM A307 Bolts uses in Pharmaceuticals
- ASTM A307 Bolts uses in Pharmaceutical Equipment
- ASTM A307 Bolts uses in Spiral Welded tube for burner pipes and flues
- ASTM A307 Bolts uses in Sea Water Equipment
- ASTM A307 Bolts uses in Heat Exchangers
Chemical Composition
| Element | Grade A | Grade B |
|---|---|---|
| Carbon | 0.29 | 0.29 |
| Manganese, max | 1.20 | 1.20 |
| Phosphorus, max | 0.04 | 0.04 |
| Sulfur, max | 0.15 | 0.05 |
Mechanical Properties
| Bolt Grade | Diameter, Inch | Tensile Strength, ksi | Elongation, % | Hardness, BHN |
|---|---|---|---|---|
| A | 1/4 to 4, Inclusive | 60 | 18 | 121 - 241 |
| B | 1/4 to 4, Inclusive | 60 - 100 | 18 | 121 - 212 |
ASTM A307 Bolts Bolt Torque Chart
| Bolt Size | TPI | Proof Load (lbs)1 | Clamp Load (lbs)2 | Tightening Torque (ft lbs) | ||
|---|---|---|---|---|---|---|
| Galv+Waxed | Galv | Plain | ||||
| 1⁄4 | 20 | 1,053 | 790 | 2 | 4 | 3 |
| 5⁄16 | 18 | 1,735 | 1,302 | 3 | 8 | 7 |
| 3⁄8 | 16 | 2,567 | 1,925 | 6 | 15 | 12 |
| 7⁄16 | 14 | 3,521 | 2,640 | 10 | 24 | 19 |
| 1⁄2 | 13 | 4,700 | 3,525 | 15 | 37 | 29 |
| 9⁄16 | 12 | 6,028 | 4,521 | 21 | 53 | 42 |
| 5⁄8 | 11 | 7,485 | 5,614 | 29 | 73 | 58 |
| 3⁄4 | 10 | 11,062 | 8,297 | 52 | 130 | 104 |
| 7⁄8 | 9 | 15,301 | 11,476 | 84 | 209 | 167 |
| 1 | 8 | 20,071 | 15,053 | 125 | 314 | 251 |
| 11⁄8 | 7 | 25,271 | 18,953 | 178 | 444 | 355 |
| 11⁄4 | 7 | 32,093 | 24,070 | 251 | 627 | 501 |
| 13⁄8 | 6 | 38,254 | 28,690 | 329 | 822 | 657 |
| 11⁄2 | 6 | 46,534 | 34,900 | 436 | 1,091 | 873 |
| 13⁄4 | 5 | 62,928 | 47,196 | 688 | 1,721 | 1,377 |
| 2 | 41⁄2 | 82,800 | 62,100 | 1,035 | 2,588 | 2,070 |
| 21⁄4 | 41⁄2 | 107,640 | 80,730 | 1,514 | 3,784 | 3,027 |
| 21⁄2 | 4 | 132,480 | 99,360 | 2,070 | 5,125 | 4,140 |
| 23⁄4 | 4 | 163,282 | 122,461 | 2,806 | 7,016 | 5,613 |
| 3 | 4 | 197,726 | 148,295 | 3,707 | 9,268 | 7,415 |
| 31⁄4 | 4 | 235,152 | 176,364 | 4,777 | 11,941 | 9,553 |
| 31⁄2 | 4 | 275,890 | 206,917 | 6,035 | 15,088 | 12,070 |
| 33⁄4 | 4 | 319,939 | 239,954 | 7,499 | 18,746 | 14,997 |
| 4 | 4 | 366,970 | 275,227 | 9,174 | 22,936 | 18,348 |
ASTM Standards Of ASTM A307 Bolts
| Grade A | Hex Headed Bolts, studs and threaded rods or any other bolting having a minimum tensile strength of 60 ksi, intended for general purpose applications. |
| Grade B | Hex Headed Bolts, studs, and threaded rods or any other bolting having a tensile strength of 60 to 100 ksi and intended for flanged joints in piping systems. |
Available ASTM A307 Bolts Other Types
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