Zeron Fastners
SS 347 U-Bolts & J-Bolts (Pipe Clamps & Anchors)
SS 347 U-Bolts and J-Bolts are specialized mechanical fasteners primarily utilized for clamping pipes, tubing, and cables to structural members or for anchoring to concrete foundations. The U-Bolt is bent into a 'U' shape with two threaded arms, while the J-Bolt is bent into a 'J' shape with one threaded end and a hook. These products, supplied by Zeron Fasteners, are manufactured from Niobium-stabilized austenitic stainless steel, making them superior choices for applications where heat and corrosion are critical factors. The Niobium content effectively prevents intergranular corrosion in the heat-affected zones, ensuring the integrity and longevity of crucial piping and anchoring systems in chemical, petrochemical, and power generation industries.
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SS 347 U-Bolts & J-Bolts Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.08 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Silicon (Si) | 1.00 max |
| Chromium (Cr) | 17.00 – 19.00 |
| Nickel (Ni) | 9.00 – 13.00 |
| Niobium (Nb) + Tantalum (Ta) | 10 x C – 1.00 |
Note: The combined Niobium and Tantalum content must be ten times the Carbon content minimum, up to a maximum of 1.00%.
SS 347 U-Bolts & J-Bolts Mechanical Properties
| Property | Value (Typical, Class 1) |
|---|---|
| Tensile Strength | 515 MPa |
| Yield Strength (0.2% Offset) | 205 MPa |
| Elongation | 30% |
| Rockwell Hardness (HRB) | 95 max |
| Proof Load Stress | 205 MPa |