What size bolts for 4 flange?
Flange Bolting Chart
150 LB. Flanges | ||
---|---|---|
Nominal Pipe Size | # Bolts or Studs | Dia of Bolts or Studs |
3 | 4 | 0.75 |
3-1/2 | 8 | 0.88 |
4 | 8 | 0.88 |
How do I choose Bolts for flange?
The most common materials for stud bolts (for flanges) are ASTM A193 (grade B7, B8, B8M, B8T), ASTM A453 (grade 660), ASTM A320 (grade L7, L7M), and ASTM A182 (duplex and super duplex bolting). For aggressive fluids and environments, stud bolts can be coated with Xylan, Xylar and other materials.
What is RF stud length?
Dimensions Stud Bolts for RF-RTJ flanges ASME B16. 5 Class 150
NPS | DIA bolts (in) | Length RF |
---|---|---|
8 | 3/4 | 110 |
10 | 7/8 | 115 |
12 | 7/8 | 120 |
14 | 1 | 135 |
Why are studs used instead of bolts?
Studs provide the ability to obtain much more accurate torque values because the studs don’t twist during tightening as do bolts. Because the studs remain stationary during nut tightening, the studs stretch in one axis alone, providing much more even and accurate clamping forces.
How do you calculate studs?
Calculate the Studs
- Multiply the total wall length (in feet) by 0.75 (for 16-inch on-center stud spacing).
- Add three studs for each 90-degree corner.
- Add four studs for each 45-degree corner.
- Add two studs for each wall intersection (where another wall abuts the wall you are estimating).
How many studs are in a bundle?
A lumber yard receives 24 studs in a bundle. There are about 294 2x4s in a bundle. This is based on a bundle size of 1,568 foot board measures.
What is the most common stud spacing?
When a home is framed, the wall studs are usually spaced 16 or 24 inches apart. If you start in a corner and measure out 16 inches and you don’t find a stud, you should find one at 24 inches.
How much is a bundle of 2×4 studs?
This is based on a bundle size of 1,568 foot board measures. One 2x4x8 is equal to 5.33 foot board measures….How much is a bundle of 2×4?
Board | Stud* | 12′ |
---|---|---|
2×4 | $1.90 | $3.73 |
2×6 | $3.70 | $4.86 |
How many 2×4 studs come in a bundle?
294 2x4s
How much should a 2×4 cost?
How much should a 2×4 cost?
Board | Stud* | 14′ |
---|---|---|
2×3 | ||
2×4 | $1.90 | $4.72 |
2×6 | $3.70 | $5.89 |
How long can you buy a 2×4?
When using studs, other dimensions of 2-by-4 and 2-by-6 lumber is used. Standard lengths for these range from 8 feet up to 16 feet.
What is half the width of a 2×4?
If the slight difference in width isn’t a problem, consider using a couple of 2x2s instead, it’s much easier (2×2 will be 1.5″ by 1.5″, half of a 2×4 would be 1.5″x1.
How much weight can a 2×4 hold?
Modern 2x4s are probably stronger than you think. Under optimal conditions, a single 2×4 can support about 1,000 pounds, or half a ton vertically. And when we build a house, we don’t ask it to support much more than that horizontally.
Are two 2×4 stronger than one 4×4?
When used vertically, 4x4s are stronger than two 2x4s. However, if you need a horizontal surface, two 2x4s will be stronger than one 4×4. A 4×4 should not be used horizontally for anything structural. Always be sure that you’re using the proper size and strength of lumber.
Is a 2×4 stronger on its side?
Thus, we can simply divide these two areas to get the ratio of a 2×4’s stiffness in each orientation. The Ls cancel out, leaving us with just 3.5/1.5 = 2.333. Or in other words, a 2×4 on its side is 2.333 times stiffer than one on edge.
How far can a 2×4 span without sagging?
Generally, 2x4s can extend for up to 20 feet, but a number of issues have to be considered. For instance, the 2×4 would not noticeably sag under its weight at 10 feet.
Are two 2×4 as strong as a 2×8?
Yes, a 2×4 is stroger than a 2×3 as is a 2×6 stronger than a 2×4, but using one over the other does not necessarily make the structure stronger, it just may be overkill. Likewise, are two 2×6 stronger than a 2×8?…How far can you span with a 2×6?
Joist Spacing (o.c.) | 12″ | |
---|---|---|
Southern Pine | 2×6 | 9′-11″ |
2×8 | 13′-1″ | |
2×10 | 16′-2″ |
Can a 2×4 span 8 feet?
In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. A 2×8 up to 12 feet; 2×10 to 15 feet and 2×12 to 18 feet. If there is no strong wind, a 2×4 measuring at least 8 feet can support at least 1,000 pounds vertically.