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2. Hollow structural section - Wikipedia

   en.wikipedia.org/wiki/Hollow_structural_section

   In the recent past, HSS was commonly available in mild steel, such as A500 grade B. Today, HSS is commonly available in mild steel, A500 grade C. Other steel grades available for HSS are A847 (weathering steel), A1065 (large sections up to 50 inch sq made with SAW process), and recently approved A1085 (higher strength, tighter tolerances than ...

3. ASTM A500 - Wikipedia

   en.wikipedia.org/wiki/ASTM_A500

   ASTM A500 is a standard specification published by the ASTM for cold-formed welded and seamless carbon steel structural tubing in round, square, and rectangular shapes. It is commonly specified in the US for hollow structural sections, but the more stringent CSA G40.21 is preferred in Canada.

4. Nominal Pipe Size - Wikipedia

   en.wikipedia.org/wiki/Nominal_Pipe_Size

   Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...

5. Dos and Don’ts of Shopping at Home Depot: 10 Money ... - AOL

   www.aol.com/finance/dos-don-ts-shopping-home...

   Whether you're in the market for Christmas decorations and lights, home improvement items, tools or even household goods, Home Depot is the first stop on the list for many shoppers. You never know...

6. Corrugated stainless steel tubing - Wikipedia

   en.wikipedia.org/wiki/Corrugated_stainless_steel...

   CSST is used as an alternative to the older standard “black iron” (steel) gas pipe. The inner stainless steel layer of typical residential CSST is .2 to .3 mm thick while the wall thickness of typical residential “black iron” gas pipe is 3 to 4 mm thick. CSST is more expensive than “black iron” gas pipe.

7. Copper tubing - Wikipedia

   en.wikipedia.org/wiki/Copper_tubing

   While pipe sizes in Australia are inch-based, they are classified by outside rather than inside diameter (e.g., a nominal 3 ⁄ 4 inch copper pipe in Australia has measured diameters of 0.750 inches outside and 0.638 inches inside, whereas a nominal 3 ⁄ 4 inch copper pipe in the U.S. and Canada has measured diameters of 0.875 inch outside and ...

8. Florida housekeeper assaults, robs 83-year-old employer who ...

   www.aol.com/florida-housekeeper-assaults-robs-83...

   No, Scrooge you!. A 29-year-old Florida housekeeper robbed and assaulted her 83-year-old employer on Christmas Eve when the elderly woman said she couldn’t afford to pay her once-trusted worker ...

9. Cells all over the body store 'memories': What does this mean ...

   www.aol.com/cells-over-body-store-memories...

   The “spacing effect” refers to a phenomenon whereby learning, or the creation of a memory, occurs more effectively when information, or exposure to a stimulus, is spaced out.