American Standard A193 B16 STUD BOLTS MANUFACTURER IN CHINA
Ningbo Teng Qi Fasteners Co., Ltd is a leading a193 b16 stud bolts manufacturer in China. ASTM A193 Grade B16 stud bolts are high-strength, heat-treated fasteners used in a variety of applications, particularly those requiring elevated temperature and pressure resistance. A193 Grade B16 stud bolts are robust fasteners designed for use in demanding industrial settings where strength, heat resistance, and reliability are paramount. They are widely used in applications that involve extreme temperature and pressure conditions, such as those found in the oil and gas industry, power plants, and chemical processing facilities.
Specification of A193 B16 Stud Bolts:
ASTM A193 Grade B16 is a specific material grade for stud bolts, and it has associated specifications that outline its mechanical and chemical properties.
| Product name | ASTM A193 B16 Stud Bolts |
|---|---|
| Diameter | 1/4″ – 4″ |
| Dimension Standard | ASME B18.31.2 |
| Thread | UNC/UNF/8UN |
| Tension Strength | 125 KSI |
| Compatible nuts/washers | A194 GR.4/GR7 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 B16 | Alloy steel, AISI 4140/4142 quenched and tempered | Carbon | Manganese | Phosphorus, max | Sulfur, max | Silicon | Chromium | Molybdenum |
| 0.36 - 0.47% | 0.45 - 0.7% | 0.035% | 0.040% | 0.15 - 0.35% | 0.80 - 1.15% | 0.5-0.65% | ||
Mechanical and physical properties:
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min | HBW | Rockwell |
|---|---|---|---|---|---|---|---|
| B16 | Up to 2-1/2 | 125 | 105 | 18 | 50 | 321 max | 35 HRC max |
| 2-5/8 - 4 | 110 | 95 | 17 | 45 | |||
| 4-1/8 - 7 | 100 | 85 | 16 | 45 |
FAQ about A193 B16 Stud Bolts:
1.What is ASTM A193 Grade B16?
ASTM A193 Grade B16 is a high-strength alloy steel specification for stud bolts and other fasteners. It is known for its exceptional strength and heat resistance.
2.What applications are suitable for A193 B16 stud bolts?
A193 B16 stud bolts are commonly used in high-temperature and high-pressure applications, including those found in the petrochemical, power generation, and oil and gas industries.
3.What is the heat treatment process for A193 B16 stud bolts?
A193 B16 stud bolts undergo a heat treatment process, typically quenching and tempering, to achieve the desired mechanical properties, including high tensile strength and toughness.
4.Can A193 B16 stud bolts withstand high temperatures?
Yes, A193 B16 stud bolts are designed to maintain their structural integrity at elevated temperatures, making them suitable for applications with extreme heat.
5. Are A193 B16 stud bolts suitable for use in corrosive environments?
While A193 B16 stud bolts are known for their strength, they may require additional corrosion-resistant coatings or treatments when used in highly corrosive environments.