MOQ: | 1000pcs |
Price: | Inquiry |
Standard Packaging: | Bundles/cartons/pallets |
Delivery Period: | 15-30 Days |
Payment Method: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
Supply Capacity: | 5000 tons per Month |
Stud bolt ASTM A193 B8/B8M "Thread to Thread" Class 2A c/w 2 Heavy Hex Nut ASTM A194 Gr.8/8M Class 2B
At manufacturer’s option, ends or points may be rounded (oval), sheared, flat or saw cut and chamfered. When rounded, the stud shall have an oval point with a radius equal to approximately one times the basic stud diameter. When flat and chamfered, the end shall be chamfered from a diameter not exceeding the minor diameter of the thread to produce a length of chamfer or incomplete thread approximately equivalent to 2 times the thread pitch.
The mechanical performance of the product shall meet the following standards, and the specification is less than or equal to 2-1 / 2 inches
TENSILE STRENGTH ≥860/mm2
YIELD STRENGTH ≥720/mm2
ELONGATION ≥16%
REDUCE ≥50%
TEMPERING ≥593℃
QUENCHING 850-950℃
HARDNESS ≤35HRC
A193 MECHANICAL PROPERTIES | |||||||
Grade | Size | Tensile, ksi, min | Yield, ksi, min | Elong. % min | RA min | HBW, max | HRC, max |
B7 | up to 2-1/2" | 125 | 105 | 16 | 50 | 321 | 35 |
2-5/8" - 4" | 115 | 95 | 16 | 50 | |||
4-1/8" - 7" | 100 | 75 | 18 | 50 | |||
B8 Class 1 | all | 75 | 30 | 30 | 50 | 223 | 35 |
B8 Class 2 | up to 3/4" | 125 | 100 | 12 | 35 | 321 | 35 |
7/8" - 1" | 115 | 80 | 15 | 35 | |||
1-1/8" - 1-1/4" | 105 | 65 | 20 | 35 | |||
1-3/8" - 1-1/2" | 100 | 50 | 28 | 45 | |||
B8M Class 1 | all | 75 | 30 | 30 | 50 | 223 | 96 |
B8M Class 2 | up to 3/4" | 110 | 95 | 15 | 45 | 321 | 35 |
7/8" - 1" | 100 | 80 | 20 | 45 | |||
1-1/8" - 1-1/4" | 95 | 65 | 25 | 45 | |||
1-3/8" - 1-1/2" | 90 | 50 | 30 | 45 | |||
B16 | under 2-1/2" | 125 | 105 | 18 | 50 | 321 | 35 |
over 2-1/2" - 4" | 110 | 95 | 17 | 45 | |||
over 4" - 8" | 100 | 85 | 16 | 45 |
MOQ: | 1000pcs |
Price: | Inquiry |
Standard Packaging: | Bundles/cartons/pallets |
Delivery Period: | 15-30 Days |
Payment Method: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
Supply Capacity: | 5000 tons per Month |
Stud bolt ASTM A193 B8/B8M "Thread to Thread" Class 2A c/w 2 Heavy Hex Nut ASTM A194 Gr.8/8M Class 2B
At manufacturer’s option, ends or points may be rounded (oval), sheared, flat or saw cut and chamfered. When rounded, the stud shall have an oval point with a radius equal to approximately one times the basic stud diameter. When flat and chamfered, the end shall be chamfered from a diameter not exceeding the minor diameter of the thread to produce a length of chamfer or incomplete thread approximately equivalent to 2 times the thread pitch.
The mechanical performance of the product shall meet the following standards, and the specification is less than or equal to 2-1 / 2 inches
TENSILE STRENGTH ≥860/mm2
YIELD STRENGTH ≥720/mm2
ELONGATION ≥16%
REDUCE ≥50%
TEMPERING ≥593℃
QUENCHING 850-950℃
HARDNESS ≤35HRC
A193 MECHANICAL PROPERTIES | |||||||
Grade | Size | Tensile, ksi, min | Yield, ksi, min | Elong. % min | RA min | HBW, max | HRC, max |
B7 | up to 2-1/2" | 125 | 105 | 16 | 50 | 321 | 35 |
2-5/8" - 4" | 115 | 95 | 16 | 50 | |||
4-1/8" - 7" | 100 | 75 | 18 | 50 | |||
B8 Class 1 | all | 75 | 30 | 30 | 50 | 223 | 35 |
B8 Class 2 | up to 3/4" | 125 | 100 | 12 | 35 | 321 | 35 |
7/8" - 1" | 115 | 80 | 15 | 35 | |||
1-1/8" - 1-1/4" | 105 | 65 | 20 | 35 | |||
1-3/8" - 1-1/2" | 100 | 50 | 28 | 45 | |||
B8M Class 1 | all | 75 | 30 | 30 | 50 | 223 | 96 |
B8M Class 2 | up to 3/4" | 110 | 95 | 15 | 45 | 321 | 35 |
7/8" - 1" | 100 | 80 | 20 | 45 | |||
1-1/8" - 1-1/4" | 95 | 65 | 25 | 45 | |||
1-3/8" - 1-1/2" | 90 | 50 | 30 | 45 | |||
B16 | under 2-1/2" | 125 | 105 | 18 | 50 | 321 | 35 |
over 2-1/2" - 4" | 110 | 95 | 17 | 45 | |||
over 4" - 8" | 100 | 85 | 16 | 45 |