SS316 Stud bolt Stainless Steel SS316L Thread Rod 1 ¼” x 8UN
SS316 Stud bolts is made of Stainless steel round bar with fully or partail threaded.It is also challed B8M in ASTM A193 and ASTM A320 standard ,SS316 also known as A4 grade in DIN standaerd. People also call the stud bolt as threaded rod.
SS316L is the most common and selected stainless steel grade.which is the second most common austenitic stainless steel after 304/A2 stainless steel. The addition of molybdenum provides greater corrosion resistance than 304, with respect to localized corrosive attack by chlorides and to general corrosion by reducing acids, and other acids such as sulfuric acid; while sulfur is added to improve ease-of-tooling/machinability.
Grade 316L (L= low carbon) ) is the same as 316 except it has an extra-low-carbon analysis, the advantage of which is that it precludes any harmful precipitation in the 800º F to 1500º F range that might result from welding heavier sections. Therefore 316L is extensively used in heavy gauge welded components.
Composition of SS316
chemical composition of SS316 stainless steel is as follows (by weight %):
| Element | Composition (%) | Function |
|---|---|---|
| Carbon (C) | ≤ 0.08 | Improves strength, but limited to prevent carbide precipitation during welding. |
| Manganese (Mn) | ≤ 2.00 | Enhances toughness and wear resistance. |
| Silicon (Si) | ≤ 1.00 | Increases strength and oxidation resistance. |
| Phosphorus (P) | ≤ 0.045 | Kept low to enhance corrosion resistance. |
| Sulfur (S) | ≤ 0.030 | Low sulfur prevents brittleness. |
| Chromium (Cr) | 16.00 – 18.00 | Provides corrosion resistance by forming a passive oxide layer. |
| Nickel (Ni) | 10.00 – 14.00 | Improves corrosion resistance and toughness. |
| Molybdenum (Mo) | 2.00 – 3.00 | Adds resistance to pitting and crevice corrosion, especially in chloride environments. |
| Nitrogen (N) | ≤ 0.10 | Increases strength and improves pitting resistance. |
SS 316 Stud bolt are avaialble in both Metric size and Imperial (Inch)size.
metric-size stud bolt is a type of threaded fastener that is typically used to secure components in machinery, flanges, or structures. It is threaded along its entire length or partially on both ends, designed to work with a nut.
Thread Type: Metric threads follow the ISO metric thread standard. The major diameter and pitch define the thread dimensions.
Size:M8/M10/M12/M14/M16/M20/M24/30/M36 etc
imperial size stud bolt is a threaded fastener measured in inches and commonly used in piping systems, structural connections, and machinery. These bolts follow standards such as ASME B1.1 (Unified Inch Screw Threads)
Standard Sizes and Dimensions for Inch Size Stud bolt
| Nominal Diameter (inches) | Thread Type (TPI) | Standard Lengths (inches) |
|---|---|---|
| 1/4″ (0.250) | UNC (20 TPI) / UNF (28 TPI) | 1″, 1.5″, 2″, 2.5″ |
| 5/16″ (0.3125) | UNC (18 TPI) / UNF (24 TPI) | 1.5″, 2″, 2.5″, 3″ |
| 3/8″ (0.375) | UNC (16 TPI) / UNF (24 TPI) | 2″, 2.5″, 3″, 3.5″ |
| 1/2″ (0.500) | UNC (13 TPI) / UNF (20 TPI) | 3″, 3.5″, 4″, 4.5″, 5″ |
| 5/8″ (0.625) | UNC (11 TPI) / UNF (18 TPI) | 4″, 4.5″, 5″, 5.5″, 6″ |
| 3/4″ (0.750) | UNC (10 TPI) / UNF (16 TPI) | 5″, 5.5″, 6″, 6.5″, 7″ |
| 1″ (1.000) | UNC (8 TPI) / UNF (12 TPI) | 6″, 6.5″, 7″, 8″, 10″ |
Order specification Stud bolt full Thread, SS316, 7/8″ -9UNC x 90, ASTM A193 -Gr.B8M
