Stone used with little or no shaping is called what?

Hot rolling tends to eliminate flaws in the metal.

Cold rolling increases the metal's strength and elastic limit but decreases its ductility

Iron with a very low carbon content and a substantial amount of slag.

Sof, ductile, and resitant to corrosion.

Iron with a carbon content above 2%.

Very hard and very brittle.

Stainless steel finishes:

• No. 3
• No. 4
• No. 6
• No. 7
• No. 8

• No. 3 - an intermediate, dull finish, coarser than no. 4
• No. 4 - a general purpose polished finish that is dull and prevents mirror reflection.  Most frequent
• No. 6 - a dull satin finish
• No. 7 - a highly reflective polished surface
• No. 8 - the most reflective, used for mirrors and reflectors.

Types of Stainless Steel:

• Type 302
• Type 304
• Type 301
• Type 316
• Type 430

Type 302 - contains 18% chromium and 8 % nickel.

Type 304 - replaced Type 302 because of improved weldability.

Type 301 - similar to Type 302, but with smaller amounts of chromium and nickel. High tensile strength

Type 316 - extreme corrosive environments

Type 430 - no nickel, less corrosion resistant, interior applications

bronze is alloy of copper and tin

brass is alloy of copper and zinc

Bars are rectangular section 6" or less with thickness of 0.203" and greater or 6"-8" with thickness greater than 0.203"

Plates are over 8" in width with thickness of 0.230" and over or over 28" in width with a thickness of 0.180" or over

Yard lumber is used for structural purposes and rough framing

Factory and shop lumber - Making door frames, windows, and finish items.

platform - each floor can be completed and used for constructing the next, shorter studs cost less

balloon - vertical shrinkage is limited

• Decreased construction time
• Improved insulation value with no thermal bridges
• Reduced air infiltration
• Strong than conventional stud and sheating construction
• Very flat for subsequent finishes
• Dimenional stability