SHANDONG LE REN SPECIAL STEEL CO., LTD.
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astm a193 grade b7 threaded rod and bar
ASTM A193 Grade B7 Threaded Rod is a kind of high strength and heat resistant threaded rod manufactured from 4140/4142 quenched and tempered Cold Drawn Steel Bar for high temperature or high pressure service, used by the plumbing and contracting trade in maintenance departments to secure pressure tanks, valves, and flanges. We produce sa 193 grade b7 all threaded rod and full threaded rod. ASTM A193 Grade B7 high strength steel rod threaded rod we produce is manufactured with rolled threads on round steel bar instead of cut, free from tears or tool marks typically found in cut threads. So the Threaded Rods are smoother and have less surface imperfections that may cause possible failure in severe service applications. B7 threaded rod is the most economical and most common form of threaded rod and in high demand because of its high strength, excellent heat resistance and resistance to corrosion.
astm a193 grade b7 specification:
1. astm a193 grade b7 threaded rods raw material sae4140 chemical composition:
| C | SI | MN | S/P | CR | MO |
| 0.38-0.45 | 0.15-0.35 | 0.75-1.00 | 0.035(MAX) | 0.80-1.20 | 0.15-0.25 |
2. astm a193 grade b7 threaded rods mechanical property:
| Tensile strength | Yield strength | Elongation | Reduction of area | Hardness |
| 860MPa min | 720MPa min | 16% min | 52% min | 35 HRC MAX |
Note: The properties can adjust according to your requirements
3. astm a193 grade b7 threaded rods sizes:
Metric threaded rods: M12 - M64
Imperial threaded rods: 1/2"- 4"
LENGTH: 1M, 2M ,3M, 6M, 12FT or cut to other lengths according to customer's requirement.
Metric threaded rods common sizes:
| M12 | 1.75mm | M36 | 4mm |
| M14 | 2mm | M39 | 4mm |
| M16 | 2mm | M42 | 4.5mm |
| M18 | 2.5mm | M45 | 4.5mm |
| M20 | 2.5mm | M48 | 5mm |
| M22 | 2.5mm | M52 | 5mm |
| M24 | 3mm | M56 | 5.5mm |
| M27 | 3mm | M60 | 5.5mm |
| M30 | 3.5mm | M64 | 6mm |
| M33 | 3.5mm | 8UN |
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Imperial threaded rods common sizes:
5/8" 11UNC
2 3/8"
8UN
3/4"
10UNC
2 1/2"
8UN
7/8"
9UNC
2 5/8"
8UN
1"
8UN
2 3/4"
8UN
1 1/8"
8UN
2 7/8" 8UN
1 1/4 8UN
3"
8UN
1 3/8"
8UN
3 1/8"
8UN
1 1/2" 8UN
3 1/4"
8UN
1 5/8"
8UN
3 1/8"
8UN
1 3/4"
8UN
3 1/2"
8UN
1 7/8" 8UN
3 5/8"
8UN
2" 8UN
3 3/4"
8UN
2 1/8"
8UN
3 7/8"
8UN
2 1/4"
8UN
4"
8UN
4. Metric threaded rod weight:
| M12 | 0.69kg | M36 | 6.63kg |
| M14 | 0.93kg | M39 | 7.86kg |
| M16 | 1.24kg | M42 | 9.05kg |
| M18 | 1.57kg | M45 | 10.51kg |
| M20 | 1.98kg | M48 | 11.84kg |
| M22 | 2.44kg | M52 | 14.13kg |
| M24 | 2.86kg | M56 | 16.37kg |
| M27 | 3.58kg | M60 | 19.00kg |
| M30 | 4.54kg | M64 | 21.21kg |
| M33 | 5.61kg |
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Established in April, 2009, SHANDONG LE REN SPECIAL STEEL CO., LTD. is specialized in trading steel products and supplying technical service in domestic and international markets. Through ten years` rich experience, we have forged one professional team.
Adhering to "Beyond customers` expectation, Realizing staff`s dream" philosophy, our company is developing rapidly by supplying customers with good quality products and professional service. In the year 2016, our factory SHANDONG LE SHAN MACHINERY CO., LTD. built cold drawing, peeling, grinding production lines; annealing, normalizing, quenching & tempering heat treatment production lines; chamferring and threads rolling production lines. To guarantee the products quality, we also installed full sets of testing and inspecting machines. All of this urge us to meet the customer`s personalized demands.
Our major products includes cold drawn steel products such as steel bars and profiles, peeled steel bright bars, heat treated steel bars, threaded rods, high strength tie rods, prestressed anchor bolts in wind power industry and high strength anchor bolts.
The current annual productivity is 40000 tons, we aim to build 100000 tons high strength deformed bars and anchor bolts production line. Our products are widely used in machinery components, oil and gas, railways, bridges and mining etc industries. With the service philosophy, advanced production facilities, full sets of test and inspection equipment, we will keep improving to supply customers` better and better quality approved products and service.
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