- Review of AISC table 2-5 for plates.
- Review of AISC table 2-5 for plates-Construction manual-CM#14.
- A Solved problem for ASTM A514 plate-CM#14.
- Review of AISC table 2-5 for plates-Construction manual-CM#15.
- Carbon steel-AISC table 2-5 for plates-CM#15.
- High strength low alloy-AISC table 2-5 for plates-CM#15.
- Corrosion-resistant high-strength low alloy-AISC table 2-5 for plates-CM#15.
- Quenched and tempered alloy-AISC table 2-5 for plates-CM#15.
- Corrosion resistant and Quenched and tempered low-alloy-AISC table 2-5 for plates-CM#15.

- A Solved problem for ASTM A514 plate-CM#15.
- Table A 3.1 listed materials based on the new specification.
- Table 1-7A-Workable gauges for angles-CM#14.
- Table 1-7A-Workable gauges for angles-CM#15.

## Review of AISC table 2-5 for plates.

In this post, we will review AISC table 2-5 for plates, and explore the differences between the construction manuals CM#14 and CM #15 listed. Later we will discuss table 1-7a for both two construction manuals CM#14 and CM #15 listed.

### Review of AISC table 2-5 for plates-Construction manual-CM#14.

In the next slide, we have AISC table 2-5, with the heading applicable ASTM specifications for plates and bars.

#### Carbon steel-AISC table 2-5 for plates-CM#14.

From Construction manual CM#14, for carbon steel, we have two groups which are ASTM A36 and ASTM A 529. The specified Fy for ASTM A 36 it has two grades, the first grade is grade 32 for which the yield stress is 32 and it has a range of 58 to 80 ksi for ultimate stress. This grade is preferred for plates over 8 inches.

The second grade is grade 36 for which the yield stress is 36 ksi for yield stress and it has a range of 58 to 80 ksi for ultimate stress. Grade 36 is preferred for thicknesses of up to 0.75 inches to over 6 to 8 inches. For the ASTM A 529 it has two grades, the first grade is grade 50 for which the yield stress is 50 and it has a range of 70 to 100 ksi for ultimate stress.

The marked b with grey color for bars with thickness above 1 inch.

#### High strength low alloy-AISC table 2-5 for plates-CM#14.

For the High strength low alloy, we have one category which is ASTM A 572 it has five grades, grade 42 for which the yield stress equals 42 ksi, and the ultimate stress Fu equals 60 ksi.

The second grade is grade 50 for which the yield stress equals 50 ksi and the ultimate stress Fu equals 65 ksi.

The third grade is grade 55 for which the yield stress equals 55 ksi and the ultimate stress Fu equals 70 ksi.

The fourth grade is grade 60 for which the yield stress equals 60 ksi and the ultimate stress Fu equals 75 ksi.

The last grade is grade 65 for which the yield stress equals 65 ksi and the ultimate stress Fu equals 80 ksi.

#### Corrosion-resistant high-strength low alloy-AISC table 2-5 for plates-CM#14.

For the corrosion-resistant high-strength low alloy, according to CM#14 there are two groups including ASTM A 242, and ASTM A 588. For ASTM A 242 it has three values of yield stress and ultimate stress.

For ASTM A 242 it has three values of yield stress and ultimate stress.

ASTM A 588 has three values of yield stress and ultimate stress.

#### What are Quenched and tempered steel?

Quenching and tempering are processes that strengthen materials like steel and other iron-based alloys. These processes strengthen the alloys by heating the material while simultaneously cooling it in water, oil, forced air, or gases such as nitrogen.

#### Quenched and tempered alloy-AISC table 2-5 for plates-CM#14.

For quenched and tempered alloy, we have ASTM A 514 c which has two values of yield stress and ultimate stress. The symbol c stands for available as plate only.

The first yield stress Fy value equals 90 ksi and the ultimate stress of 100-130 ksi is marked Grey from over 2.5-4.00 inches to over 5 to 6 inches.

The second yield stress Fy value equals 100 ksi and the ultimate stress of 110-130 ksi is marked Grey from up to 0.75 inches to over 2-2.5 inches.

For quenched and tempered low-alloy, we have ASTM A 825 c which has one value of yield stress and ultimate stress.

The yield stress Fy value equals 70 ksi and the ultimate stress of 90-1410 ksi is marked Grey from up to 0.75 inches to over 2.5-4 inches.

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### A Solved problem for ASTM A514 plate-CM#14.

A plate Pl3x8 of A514 steel is to be used as a tension member in a truss. What are the values of the yield stress Fy and ultimate stress Fu to be used in the design of the member?

For CM#14, from the given thickness of the plate which is 3 inches from ASTM A 514we find that the grey square is available for plates from 2.5 inches to 4 inches but for yield stress of 90 ksi and fu from 110-130 ksi. Our Fy will be 90 ksi and Fu will be 110 ksi.

### Review of AISC table 2-5 for plates-Construction manual-CM#15.

In the next slide, we have AISC table 2-5 for plates, with the heading applicable ASTM specifications for plates and bars for CM#15.

#### Carbon steel-AISC table 2-5 for plates-CM#15.

For carbon steel, we have four groups which are ASTM A36, A new ASTM A 283, ASTM A 529, and a new ASTM A 709. The relevant values for yield stress and ultimate stress are included in the table.

#### High strength low alloy-AISC table 2-5 for plates-CM#15.

For the high-strength low alloy, we have four categories. Three added categories are ASTM A 709 grade 50, ASTM A 1043 with two grades, grade 36 and grade 50.

The third ASTM A1066 has five grades. The relevant values for yield stress and ultimate stress are included in the table.

#### Corrosion-resistant high-strength low alloy-AISC table 2-5 for plates-CM#15.

For the corrosion-resistant high-strength low alloy, according to CM#15 there are two groups including ASTM A 242, ASTM A 588.

#### Quenched and tempered alloy-AISC table 2-5 for plates-CM#15.

For quenched and tempered alloy we have ASTM A 514 c it has two values of yield stress the first value is Fy=90 ksi and the ultimate stress 100-130 ksi .

The second value is Fy=100 ksi and the ultimate stress 110-130 ksi . The symbol C stands for available as plate only.

** The ASTM A 852 c was removed from the quenched and tempered alloy in CM #15**. For quenched and tempered low-alloy, we have a new ASTM 709 With four grades-GR.50W, GR. Hps 50W, Gr.HPs 70W and Gr hps 100W marked e.

#### Corrosion resistant and Quenched and tempered low-alloy-AISC table 2-5 for plates-CM#15.

A new category is added which is corrosion resistant and Quenched and tempered low-alloy is added that has a new ASTM 709 with four grades-GR.50W, GR. Hps 50W, Gr.HPs 70W and Gr hps 100W marked e.

### A Solved problem for ASTM A514 plate-CM#15.

A plate Pl3x8 of A514 steel is to be used as a tension member in a truss. What are the values of the yield stress Fy and ultimate stress Fu to be used?

Based on CM#15, From the given thickness of the plate which is 3 inches from ASTM A 514we find that the grey square is available for plates from 2.5 inches to 4 inches but for yield stress of 90 ksi and Fu from 110-130 ksi. Our Fy will be 90 ksi and Fu will be 110 ksi. No changes between CM#14 and Cm#15 for A514 steel.

### Table A 3.1 listed materials based on the new specification.

Table A3.1 from the new specification for the used ASTM A used. The ASTMA list was tabulated with the corresponding yield stress in both imperial and metric included.

The first table lists the plates with the different ASTMA grades.

The second table lists the plates, bars, and sheets with the different ASTMA grades.

### Table 1-7A-Workable gauges for angles-CM#14.

Table 1-7A is for the workable gages in angle legs in inches, if we have an unequal angle, for the short leg. The horizontal distance is shown as g, from the edge to the center to the first fastener line. Table 1-7A includes angles with legs from 1 inch to 8 inches.

For the other, long leg r leg we have gauge distances g1 and g2 their distances are shown for the various leg distance. Starting from 8 inches descending to 1-inch length, descending to 1-inch length, and g from 5/8 for a 1-inch angle to 4.5 inches, and the values for long leg with two gauge lines for g1 from 3 to 2 inches.

For an angle of 4″ leg, it can carry only one line of bolts. for an angle of 5 inches leg, it is possible to have two lines of fasteners.

### Table 1-7A-Workable gauges for angles-CM#15.

Table 1-7A-Workable gauges for angles for tension members-CM#15 has added two legs in the table that was not included in the previous construction manual cM#14 for sizes 10 and 8 inches, gauges g3 and gauge 4 were added which means that for an angle with 12-inch leg, it can carry four gauge lines of bolts.

The next post contains Solved problems for net area estimation.

For a useful external link-**Chapter 3 – Tension Members**– Bartlett Quimby.