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ASTM A453 Grade 660 Stud Bolt is a high-strength fastener designed to handle extreme temperatures and pressure in critical applications. This stud bolt is commonly used in petrochemical, oil and gas, and power generation industries, where performance and reliability are paramount. Made from ASTM A453 Grade 660 material, these fasteners are known for their exceptional tensile strength, stress rupture properties, and resistance to oxidation at elevated temperatures. As a leading supplier and manufacturer, Hex Forge Inc. offers a wide range of stud bolt types crafted from ASTM A453 Grade 660, designed to meet the most demanding industrial environments.
The ASTM A453 Grade 660 chemical composition includes a blend of iron, nickel, and chromium, with additional elements such as molybdenum, titanium, and aluminium, contributing to its excellent mechanical properties. This material is available in different classes, such as Grade 660A, Grade 660B, Grade 660C, and Grade 660D, each tailored to specific applications based on the temperature and load requirements. The superior resistance to stress corrosion cracking makes ASTM A453 Grade 660 popular for high-temperature bolting applications. ASTM A453 Grade 660 equivalent materials can offer similar properties and performance for specific projects.
At Hex Forge Inc., our ASTM A453 Gr 660 stud bolts are manufactured to meet international standards, including ASTM, ASME, DIN 2510, and UNS S66286. These fasteners are available in various sizes, from ½” to 2 ½” in diameter, with custom sizes available upon request. Our stud material grade options ensure that each bolt meets the precise requirements of your project, ensuring optimal performance in high-stress environments. The SA 453 Gr 660 stud bolts are designed for extreme temperature environments, providing excellent durability and long-term stability under high-pressure conditions.
As a trusted ASTM A453 Grade 660 manufacturer and supplier, we offer competitive pricing for A453 Gr 660 stud bolts, ensuring cost-effectiveness without compromising quality. Our products undergo rigorous quality checks to meet industry standards and client specifications. Whether you need ASTM A453 stud bolts for high-temperature applications or require specific ASTM A453 Grade 660 materials for your project, Hex Forge Inc. is a reliable partner for all your fastening needs.
Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Length : 3 to 200 mm
Standard : ISO, ASTM, DIN, JIS, IS, GB, BS, and all International Standards
DIN Standard : B.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913
UTS : NPT, UNS, UNF, UNC, UNEF, NPTF
ISO : ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards
Threads : METRIC, BSW, UNC, UNF, BSF or as required
AISI |
UNS |
BS |
Wr No. |
En Name |
DIN EN |
JIS |
AMS |
ASTM |
other names |
Additional Requirements |
|
---|---|---|---|---|---|---|---|---|---|---|---|
660 |
S 66286 |
HR 51 |
1.4944 |
X6NiCrTiMoV26-15 |
10269 |
SUS 660 |
5726 |
ASTM A453 GRADE 660A |
incoloy a286 |
NACE MR-0175 |
We Manufacture ASTM A453 Grade 660 Stud Bolts As Per International Standards & Specifications. ASTM A453 Gr 660 Class A / B / C / D Stud Bolt Manufacturers In India, Custom Sizes ASTM A453 Gr 660 Austenitic Stainless Steel Fully Threaded Stud Bolt, Tap End Stud Bolts, Weld Bolts Stud, Dowel Studs Can Be Produced As Per Client Drawing.
ASME B16.5 Class 150 Flanges | Stud Bolts Length | |||||||
NPS | dia of Bolt Circle | NO. of Bolts | dia of Bolt Holes | OD of Flange | Dia of Bolts | Ring Joint | Raised Face 0.06 in |
|
1 | 3 1/8 | 4 | 5/8 | 4 1/4 | 1/2 | 3 | 2 1/2 | |
1/2 | 2 3/8 | 4 | 5/8 | 3 1/2 | 1/2 | – | 2 1/4 | |
2 | 4 3/4 | 4 | 3/4 | 6 | 5/8 | 3 3/4 | 3 1/4 | |
3 | 6 | 4 | 3/4 | 7 1/2 | 5/8 | 4 | 3 1/2 | |
3/4 | 2 3/4 | 4 | 5/8 | 3 7/8 | 1/2 | – | 2 1/2 | |
4 | 7 1/2 | 8 | 3/4 | 9 | 5/8 | 4 | 3 1/2 | |
5 | 8 1/2 | 8 | 7/8 | 10 | 3/4 | 4 1/4 | 3 3/4 | |
6 | 9 1/2 | 8 | 7/8 | 11 | 3/4 | 4 1/2 | 4 | |
8 | 11 3/4 | 8 | 7/8 | 13 1/2 | 3/4 | 4 3/4 | 4 1/4 | |
10 | 14 3/4 | 12 | 1 | 16 | 7/8 | 5 | 4 1/2 | |
1 1/2 | 3 7/8 | 4 | 5/8 | 5 | 1/2 | 3 1/4 | 2 3/4 | |
1 1/4 | 3 1/2 | 4 | 5/8 | 4 5/8 | 1/2 | 3 1/4 | 2 3/4 | |
12 | 17 | 12 | 1 | 19 | 7/8 | 5 1/4 | 4 3/4 | |
14 | 18 3/4 | 12 | 1 1/8 | 21 | 1 | 5 3/4 | 5 1/4 | |
16 | 21 1/4 | 16 | 1 1/8 | 23 1/2 | 1 | 5 3/4 | 5 1/4 | |
18 | 22 3/4 | 16 | 1 1/4 | 25 | 1 1/8 | 6 1/4 | 5 3/4 | |
20 | 25 | 20 | 1 1/4 | 27 1/2 | 1 1/8 | 6 3/4 | 6 1/4 | |
2 1/2 | 5 1/2 | 4 | 3/4 | 7 | 5/8 | 4 | 3 1/2 | |
24 | 29 1/2 | 20 | 1 1/4 | 32 | 1 1/4 | 7 1/4 | 6 3/4 | |
3 1/2 | 7 | 8 | 3/4 | 8 1/2 | 5/8 | 4 | 3 1/2 |
Size of Flange |
Class 150 B16.5 Full Face Gaskets | Class 150 B16.5 Ring Gaskets | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Torque | Tighten Sequence of Stud Bolts | Torque | Tighten Sequence of Stud Bolts | |||||||
2nd | 1st | Final | Size of Bolt | Dwg*/No. | 2nd | 1st | Final | Size of Bolt | Dwg/No. | |
1″ | 40 | 20 | 60 | 1/2″ | 4-bolt | 30 | 15 | 50 | 1/2″ | 4-bolt |
1/2″ | 40 | 20 | 60 | 1/2″ | 4-bolt | 20 | 10 | 30 | 1/2″ | 4-bolt |
1-1/2″ | 40 | 20 | 60 | 1/2″ | 4-bolt | 40 | 20 | 60 | 1/2″ | 4-bolt |
1-1/4″ | 40 | 20 | 60 | 1/2″ | 4-bolt | 40 | 20 | 60 | 1/2″ | 4-bolt |
2″ | 80 | 40 | 120 | 5/8″ | 4-bolt | 80 | 40 | 120 | 5/8″ | 4-bolt |
2-1/2″ | 80 | 40 | 120 | 5/8″ | 4-bolt | 80 | 40 | 120 | 5/8″ | 4-bolt |
3″ | 80 | 40 | 120 | 5/8″ | 4-bolt | 80 | 40 | 120 | 5/8″ | 4-bolt |
3-1/2″ | 80 | 40 | 120 | 5/8″ | 8-bolt | 80 | 40 | 120 | 5/8″ | 8-bolt |
3/4″ | 40 | 20 | 60 | 1/2″ | 4-bolt | 27 | 13 | 40 | 1/2″ | 4-bolt |
4″ | 80 | 40 | 120 | 5/8″ | 8-bolt | 80 | 40 | 120 | 5/8″ | 8-bolt |
5″ | 120 | 60 | 200 | 3/4″ | 8-bolt | 120 | 60 | 200 | 3/4″ | 8-bolt |
6″ | 120 | 60 | 200 | 3/4″ | 8-bolt | 120 | 60 | 200 | 3/4″ | 8-bolt |
8″ | 120 | 60 | 200 | 3/4″ | 8-bolt | 120 | 60 | 200 | 3/4″ | 8-bolt |
10″ | 190 | 95 | 320 | 7/8″ | 12-bolt | 190 | 95 | 320 | 7/8″ | 12-bolt |
12″ | 190 | 95 | 320 | 7/8″ | 12-bolt | 190 | 95 | 320 | 7/8″ | 12-bolt |
14″ | 294 | 147 | 490 | 1″ | 12-bolt | 294 | 147 | 490 | 1″ | 12-bolt |
16″ | 294 | 147 | 490 | 1″ | 16-bolt | 294 | 147 | 490 | 1″ | 16-bolt |
18″ | 426 | 213 | 710 | 1-1/8″ | 16-bolt | 426 | 213 | 710 | 1-1/8″ | 16-bolt |
20″ | 426 | 213 | 710 | 1-1/8″ | 20-bolt | 426 | 213 | 710 | 1-1/8″ | 20-bolt |
24″ | 600 | 300 | 1,000 | 1-1/4″ | 20-bolt | 600 | 300 | 1,000 | 1-1/4″ | 20-bolt |
STUD BOLT LENGTH (in mm) | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | M27 | M30 | M33 | M36 | M39 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
60 | 5,6 | 8,1 | 12 | 15,6 | |||||||||
70 | 6,1 | 8,9 | 13 | 16,9 | 23,7 | ||||||||
80 | 6,6 | 9,6 | 14 | 18,2 | 25,4 | 32,5 | |||||||
90 | 7,1 | 10,3 | 15 | 19,6 | 27,1 | 34,5 | 45,5 | ||||||
100 | 7,6 | 11 | 16 | 21 | 28,8 | 36,7 | 47,2 | 54,2 | |||||
110 | 8,1 | 11,7 | 17 | 22,2 | 30,4 | 38,7 | 48,3 | 58,2 | 80 | ||||
120 | 8,6 | 12,4 | 18 | 23,6 | 32,1 | 40,7 | 50,9 | 60,2 | 84,7 | 107 | |||
130 | 9,1 | 13,2 | 19 | 24,9 | 33,7 | 42,8 | 53,4 | 63,2 | 88,6 | 111 | 141 | ||
140 | 9,6 | 14,2 | 20 | 26,2 | 35,4 | 44,9 | 55,9 | 66,2 | 92,4 | 116 | 147 | 185 | |
150 | 10,1 | 14,9 | 20,8 | 27,5 | 36,9 | 46,9 | 58,5 | 69,2 | 96,3 | 121 | 153 | 192 | 237 |
160 | 10,6 | 15,6 | 21,8 | 29,1 | 38,6 | 49 | 61 | 72,2 | 100,1 | 126 | 159 | 199 | 245 |
170 | 16,4 | 22,8 | 30,4 | 40,2 | 51,1 | 63,5 | 75,2 | 104 | 130 | 165 | 206 | 253 | |
180 | 23,8 | 31,8 | 41,9 | 52,3 | 66,1 | 78,1 | 108 | 135 | 171 | 213 | 261 | ||
190 | 33,1 | 43,5 | 54,4 | 68,4 | 81,1 | 112 | 140 | 176 | 219 | 269 | |||
200 | 34,5 | 45,2 | 56,2 | 71 | 84 | 116 | 144 | 182 | 226 | 278 | |||
210 | 35,8 | 46,8 | 58,5 | 73,5 | 88,4 | 120 | 149 | 188 | 233 | 286 | |||
220 | 37,1 | 48,4 | 60,6 | 76,1 | 91,4 | 124 | 154 | 194 | 240 | 294 | |||
230 | 38,5 | 50,1 | 62,6 | 78,6 | 94,4 | 127 | 159 | 201 | 247 | 302 | |||
240 | 39,8 | 51,7 | 64,7 | 81,2 | 97,4 | 130,9 | 164 | 208 | 253 | 310 | |||
250 | 41,1 | 53,4 | 66,8 | 83,7 | 100,4 | 134,8 | 172 | 214 | 260 | 319 | |||
260 | 55 | 68,8 | 86,3 | 103,4 | 138,6 | 177 | 220 | 267 | 327 | ||||
270 | 56,6 | 70,9 | 88,8 | 106,4 | 142,5 | 182 | 224 | 274 | 335 | ||||
280 | 58,3 | 73 | 91,4 | 109,4 | 146,3 | 187 | 230 | 281 | 343 | ||||
290 | 75 | 93,9 | 112,4 | 150,1 | 192 | 236 | 291 | 360 | |||||
300 | 77,1 | 96,5 | 115,4 | 154 | 196 | 241 | 298 | 368 | |||||
320 | 101,6 | 121,3 | 161,7 | 206 | 253 | 312 | 380 | ||||||
340 | 127,3 | 169,4 | 215 | 265 | 326 | 395 | |||||||
360 | 133,3 | 177,1 | 224 | 276 | 340 | 411 | |||||||
380 | 184,8 | 234 | 288 | 353 | 428 | ||||||||
400 | 192,5 | 243 | 299 | 367 | 444 | ||||||||
420 | 252 | 311 | 381 | 460 | |||||||||
440 | 262 | 322 | 394 | 477 | |||||||||
460 | 271 | 334 | 408 | 493 | |||||||||
480 | 281 | 345 | 422 | 509 | |||||||||
500 | 290 | 357 | 436 | 526 |
Grade | C | Mn | Ph | Su | Si | Ni | Cr | Mo | Tu | Ti | Co | Al | Bo | Co | |
Grade 660 | 0.08 max | 2.00 max | 0.040 max | 0.030 max | 1.00 max | 24.0-27.0 | 13.5-16.0 | 1.00-1.50 | … | 1.9-2.35 | … | 0.35 max | 0.10-0.50 | 0.001-0.010 | – |
Grade |
Class |
Tensile Strength |
Yield Strength |
Elongation in 4D, min, % |
Reduction of Area, min, % |
Brinell Hardness Number |
Approximate Rockwell Hardness, B & C |
|||
---|---|---|---|---|---|---|---|---|---|---|
Ksi |
Mpa |
Ksi |
Mpa |
min |
max |
|||||
Grade 660 |
A, B and C |
130 |
895 |
85 |
585 |
15 |
18 |
248-341 |
24 HRC |
37 HRC |
Grade 660 |
D |
130 |
895 |
105 |
725 |
15 |
18 |
248-341 |
24 HRC |
35 HRC |
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