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**A105 Carbon Steel Overview**
ASTM A105 is a specification that covers forged carbon steel piping components for ambient- and higher-temperature service in pressure systems. This includes flanges, fittings, valves, and similar parts which are used in the oil, gas, petrochemical, and other service industries. A105 is commonly used for manufacturing piping components where high durability and pressure endurance are required.
**Key Features of ASTM A105 Carbon Steel:**
- **Material Composition:** A105 steel is primarily composed of
carbon and manganese, which gives it the necessary strength and
toughness required for high-pressure and high-temperature
applications.
- **Mechanical Properties:**
- **Tensile Strength:** Typically ranges between 70,000 psi and
95,000 psi.
- **Yield Strength:** Minimum yield strength of about 36,000 psi.
- **Elongation:** Usually about 22-35% in 2 inches.
- **Heat Treatment:** The A105 carbon steel can be heat treated by
annealing, normalizing, or normalizing and tempering to achieve
desired properties of hardness and ductility.
**Applications of ASTM A105 Carbon Steel:**
A105 is particularly suited for use in environments where temperature fluctuations are significant and where high durability is essential. Common applications include:
- **Valves, Flanges, and Fittings:** Often used in the manufacture
of industrial pipeline systems to control flow and pressure.
- **Pressure Systems:** Suitable for both high-temperature and
high-pressure environments typically found in the oil and gas
industry.
- **Repair Sleeves:** Utilized in pipeline service repairs due to
its robustness and resilience.
ASTM A105 is favored in industrial applications because it offers a good balance of strength, flexibility, and performance in harsh environments, ensuring reliability and safety in critical service conditions.
ASME B16.9
Nominal Size | Outside Diameter at Bevel | Center to End | |
45° Elbows | |||
DN | NPS | OD | B |
LR | |||
15 20 25 | 1/2 3/4 1 | 21.3 26.7 33.4 | 16 19 22 |
32 40 50 | 11/4 112 2 | 42.2 48.3 60.3 | 25 29 35 |
65 80 90 100 | 2 1/2 3 3 1/2 4 | 73.0 88.9 101.6 114.3 | 44 51 57 64 |
125 150 200 | 5 6 8 | 141.3 168.3 219.1 | 79 95 127 |
250 300 350 | 10 12 14 | 273.0 323.8 355.6 | 159 190 222 |
400 450 500 | 16 18 20 | 406.4 457.0 508.0 | 254 286 318 |
550 600 650 | 22 24 26 | 559.0 610.0 660.0 | 343 381 406 |
700 750 800 | 28 30 32 | 711.0 762.0 813.0 | 438 470 502 |
850 900 950 | 34 36 38 | 864.0 914.0 965.0 | 533 565 600 |
1000 1050 1100 | 40 42 44 | 1016.0 1067.0 1118.0 | 632 660 695 |
1150 1200 1300 | 46 48 52 | 1168.0 1219.0 1321.0 | 727 759 821 |
1400 1500 1600 | 56 60 64 | 1422.0 1524.0 1626.0 | 883 947 1010 |
1700 1800 1900 2000 | 68 72 76 80 | 1727.0 1829.0 1930.0 2032.0 | 1073 1137 1199 1263 |
Notes: l Besides ASME, European standard EN, German standard DIN, Japanese standard (JIS), etc.are also applied. l The elbow with NPS over 80 shall be customized according to customer specific needs. |