American Standard A193 B7 Threaded Rods Manufacturer In China
Ningbo Teng Qi Fasteners Co., Ltd is a leading a193 b7 threaded rods manufacturer in China. A193 B7 threaded rods refer to American Standard of threaded fastener used in various applications, particularly in the construction, manufacturing, and industrial sectors.
What “A193 B7” means: 1. A193: This is a reference to ASTM A193, which is a standard specification for alloy-steel and stainless steel bolting materials for high-temperature or high-pressure service. It sets the standards for various types of fasteners, including bolts, screws, and threaded rod.
B7: “B7” is a specific grade or type of steel that conforms to the ASTM A193 standard. B7 steel is alloy steel, typically AISI 4140, which is known for its strength and durability. It is often used in applications where high tensile strength is required.
An “A193 B7 threaded rod” is a threaded rod made from alloy steel that meets the ASTM A193 B7 specification. These threaded rod are commonly used in applications where high-strength fasteners are necessary, such as in the construction of structures subject to high loads or in the assembly of industrial equipment. They provide a secure means of fastening components together.
Specification of American Standard A193 B7 Threaded Rods:
An A193 B7 threaded rod is a high strength fastening component made from alloy steel, typically AISI 4140, that conforms to ASTM A193 standards. These threaded rods are widely used in various industries, including construction, manufacturing, and industrial applications, where the need for secure and reliable fastening is paramount.
| Product name | ASTM A193 B7 threaded rods |
|---|---|
| Diameter | 1/4″ – 4″ |
| Dimension Standard | ASME B 18.31.3 |
| Thread | UNC/UNF/8UN |
| Class | B7 |
| Tension Strength | 125 KSI |
| Compatible nuts/washers | A194 2H heavy hex nuts |
| Manufacturing Process | wire drawing, thread rolling, heat treatment, surface treatment |
| Surface treatment | Black Oxide Coating/Zinc Plating (Electroplating)/Hot-Dip Galvanizing/Mechanical Galvanizing/Dacromet Coating/Painting or Powder Coating |
| Application Industry | Piping Systems/Pressure Vessels/Pressure Vessels/Oil and Gas Industry/Power Generation/Chemical Processing |
Chemical Composition:
| Property class | Material and heat treatment | Chemical composition limits (cast analysis, %) a |
||||||
|---|---|---|---|---|---|---|---|---|
| A193 B7 | Alloy steel, AISI 4140/4142 quenched and tempered | Carbon | Manganese | Phosphorus, max | Sulfur, max | Silicon | Chromium | Molybdenum |
| 0.37 - 0.49% | 0.65 - 1.10% | 0.035% | 0.040% | 0.15 - 0.35% | 0.75-1.2% | 0.15 - 0.25% | ||
Mechanical and physical properties:
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min | HBW | Rockwell |
|---|---|---|---|---|---|---|---|
| B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 | 321 max | 35 HRC max |
| 2-5/8 - 4 | 115 | 95 | 16 | 50 | |||
| 4-1/8 - 7 | 100 | 75 | 18 | 50 |
- RELATED FASTENERS LISTS:
- DIN975 THREADED
- HEAVY HEX BOLTS
- DIN933 HEX BOLTS
- AS1252 HEX BOLTS
- DIN6914 HEX BOLTS
- ASME B 18.2.1 HEX BOLTS
- A325 HEAVY HEX BOLTS
- A490 HEAVY HEX BOLTS
- RELATED NUTS LIST:
- HEX NUTS
- HEAVY HEX NUTS
- ISO4032 HEX NUTS
- DIN934 HEX NUTS
- A194 HEAVY HEX NUTS
- A563 HEAVY HEX NUTS
- THREADED ROD LIST:
- DIN975 THREADED RODS
- A193 B7 STUD BOLTS
FAQ about A193 B7 threaded rods Manufacturer:
1.How are A193 B7 threaded rods manufactured?
The manufacturing process typically involves selecting high-quality A193 B7 alloy steel, cutting the rod to the specific length, thread rolling, heat treatment to enhance strength.
2.What quality control measures are in place during manufacturing?
A193 B7 threaded rod manufacturing including hardness testing/tension test/dimension test/thread test, to ensure that the rod meet the required standards and mechanical properties.
3. What’s the price of type1 of A193 b7 threaded rods?
B7 threaded rods are made of Alloy steel AISI4140, the AISI4140 material price is about 800usd-1000usd/ton in China. The price of A193 B7 plain threaded rod we manufacture is about 1700-2000 usd/ton. The material price of steel will fluctuate frequently, and the price is different for different surface treatment/quantity, so please send the inquiry to our email for the specific price. Emai: info@china-bolts.com
4.Can you provide samples of A193 b7 stud bolt?
Yes, we have some samples in regular sizes. Samples can be provided free of charge. But the customer needs to bear the freight.