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Alloy Bars
 
     
   
""
STEEL ALLOY ROUNDS
HOT ROLLED ANNEALED
Machine Straightened
4142*
 Top
ASTM A 322
Standard Lengths: 20 Ft. Random
 "" Chemical Composition""     "" Mechanical Properties""
CHEMICAL COMPOSITION:
Composition Limits, Per Cent—Iron and Normal Impurities Constitute Remainder
ASTM/AISI
Grade		 UNS
Number		 C Mn P
Max.		 S
Max.		 Si Cr Mo
4142 G41420 .40/.45 .75/1.00 .035 .040 .15/.35 .80/1.10 .15/.25
MECHANICAL PROPERTIES:
ASTM/AISI
Grade		 Mechanical Properties
Tensile
Strenght
(ksi)dagger		 Yield
Strength
(ksi)dagger		 Elongation
in 2"
%		 Reduction
of Area
%
4142 90/100 60/70 20/30 50/60
Condition of Steel Typical Hardness Average
Machinability
% of CD 1215
Brinell Rockwell
Hot Rolled Annealed 185/210 B90/95 55
Horizontal Linedagger 1 Ksi = 1000 psi
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
   3/4   1.502   30.04
   7/8   2.045   40.90
1"   2.670   53.40
1-1/8   3.380   67.60
1-1/4   4.173   83.46
1-3/8   5.049 101.0  
1-5/8   7.052 141.0  
1-3/4   8.178 163.6  
1-7/8   9.388 187.8  
2" 10.68   213.6  
2-1/8 12.06   241.2  
2-1/4 13.52   270.4  
2-3/8 15.06   301.2  
2-1/2 16.69   333.8  
2-3/4 20.19   403.8  
3" 24.03   480.6  
3-1/8 26.08   521.6  
3-1/4 28.21   564.2  
3-3/8 30.42   608.4  
3-1/2 32.71   654.2  
 
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
3-3/4   37.55   751.0
4"   42.73   854.6
4-1/4   48.23   964.6
4-1/2   54.08 1081.6
4-3/4   60.25 1205.0
5"   66.76 1335.2
5-1/4   73.60 1472.0
5-1/2   80.78 1615.6
5-3/4   88.29 1765.8
6"   96.13 1922.6
6-1/4 104.3   2086.0
6-1/2 112.8   2256.0
7" 130.8   2616.0
7-1/4 140.4   2808.0
7-1/2 150.2   3004.0
8" 170.9   3418.0
8-1/2 192.9   3858.0
9" 216.3   4326.0
12-1/4** 400.7   8014.0
15** 600.8   12016    
”H” Band version available
 * Generally Calcium-Aluminum treated for improved machinability. 4140 available
** Produced as 4140 Forged, Annealed and Rough Turned Suitable for finishing 1/4”
    under listed size. ASTM A 322 chemistry only. Random Lengths: 10—20 Feet
     
   
""
STEEL ALLOY ROUNDS
HOT ROLLED
Quenched and Tempered
Machine Straightened
Stress Relieved*
4142** Heat Treated
 Top
ASTM A 434 Class BC
Standard Lengths: 20 Ft. Random
 "" Chemical Composition""     "" Mechanical Properties""
CHEMICAL COMPOSITION:
Composition Limits, Per Cent—Iron and Normal Impurities Constitute Remainder
ASTM/AISI
Grade		 UNS
Number		 C Mn P
Max.		 S
Max.		 Si Cr Mo
4142 G41420 .40/.45 .75/1.00 .035 .040 .15/.35 .80/1.10 .15/.25
MECHANICAL PROPERTIES:
ASTM/AISI
Grade		 Condition of Steel
HR & CF Heat Treated
 		 Mechanical Properties
Tensile
Strenght
(ksi)dagger		 Yield
Strength
(ksi)dagger		 Elongation
in 2"
%		 Reduction
of Area
%
4142/50 &
41L42/50		 1-1/2" and Under 130 min 110 min 16 min 50 min
—Over 1-1/2" – 2-1/2" incl. 125 min 105 min 16 min 50 min
  —Over 2-1/2" – 4" incl. 115 min 95 min 16 min 50 min
  —Over 4" – 7" incl. 110 min 85 min 16 min 45 min
  —Over 7" – 9-1/2" incl. 105 min 80 min 15 min 40 min
ASTM/AISI
Grade		 Condition of Steel
HR & CF Heat Treated
 		 Typical Hardness Average
Machinability
% of CD 1215
Brinell Rockwell
4142/50 &
41L42/50		        1-1/2" and Under 269/321 C28/34  
      —Over 1-1/2" – 2-1/2" incl. 269/321 C28/34 50""
        —Over 2-1/2" – 4" incl. 269/321 C28/34  
        —Over 4" – 7" incl. 262/311 C26/33 63""
        —Over 7" – 9-1/2" incl. 262/311 C26/33  
Horizontal Linedagger 1 Ksi = 1000 psi
"" With the addition of 0.15%–0.35% lead, machinability is increased approximately 25%, longitudinal mechanical properties are not appreciably affected.
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
   7/8   2.045     40.90
1"   2.670     53.40
1-1/8   3.380     67.60
1-1/2   6.008 120.2
1-3/4   8.178 163.6
2" 10.68   213.6
2-3/8 15.06   301.2
2-5/8 18.40   368.0
2-3/4 20.19   403.8
2-7/8 22.07   441.4
3" 24.03   480.6
3-1/8 26.08   521.6
3-1/4 28.21   564.2
3-3/8 30.42   608.4
3-1/2 32.71   654.2
3-5/8 35.09   701.8
3-3/4 37.55   751.0
3-7/8 40.10   802.0
4" 42.73   854.6
4-1/8 45.44   908.8
4-1/4 48.23   964.6
4-3/8 51.11   1022.2  
4-1/2 54.08   1081.6  
 
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
4-5/8   57.12 1142.4
4-3/4   60.25 1205.0
5"   66.76 1335.2
5-1/4   73.60 1472.0
5-1/2   80.78 1615.6
5-3/4   88.29 1765.8
6"   96.13 1922.6
6-1/4 104.3   2086.0
6-1/2 112.8   2256.0
6-3/4 121.7   2434.0
7" 130.8   2616.0
7-1/4 140.4   2808.0
7-1/2 150.2   3004.0
7-3/4 160.4   3208.0
8" 170.9   3418.0
8-1/4 181.8   3636.0
8-1/2 192.9   3858.0
8-3/4 204.5   4090.0
9" 216.3   4326.0
9-1/4 228.5   4570.0
9-1/2 241.0   4820.0
9-3/4 253.9   5078.0
10" 267.0   5340.0
  *Or Stress Free Practice.
**Generally Calcium-Aluminum treated for improved machinability. ASTM A193 Grade
   B7 and MIL-DTL-1222 (B7) chemistry and mechanical properties available.
     
   
""
STEEL ALLOY ROUNDS
HOT ROLLED ANNEALED
Machine Straightened
41L42*
 Top
ASTM A 322
Standard Lengths: 20 Ft. Random
 "" Chemical Composition""     "" Mechanical Properties""
CHEMICAL COMPOSITION:
Composition Limits, Per Cent—Iron and Normal Impurities Constitute Remainder
ASTM/AISI
Grade		 UNS
Number		 C Mn P
Max.		 S
Max.		 Si Cr Mo Pb
41L42 G41420 .40/.45 .75/1.00 .035 .040 .15/.35 .80/1.10 .15/.25 .15/.35
MECHANICAL PROPERTIES:
ASTM/AISI
Grade		 Mechanical Properties
Tensile
Strenght
(ksi)dagger		 Yield
Strength
(ksi)dagger		 Elongation
in 2"
%		 Reduction
of Area
%
4142"" 90/100 60/70 20/30 50/60
Condition of Steel Typical Hardness Average
Machinability
% of CD 1215
Brinell Rockwell
Hot Rolled Annealed 185/210 B90/95 55""
Horizontal Linedagger 1 Ksi = 1000 psi
"" With the addition of 0.15%–0.35% lead, machinability is increased approximately 25%, longitudinal mechanical properties are not appreciably affected.
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
1-7/8   9.388 187.8
2" 10.68   213.6
 
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
3" 24.03 480.6
     
”H” Band version available
* 41L40 available
     
   
""
STEEL ALLOY ROUNDS
HOT ROLLED ANNEALED
Machine Straightened
4150*
 Top
ASTM A 322
Standard Lengths: 20 Ft. Random
 "" Chemical Composition""     "" Mechanical Properties""
CHEMICAL COMPOSITION:
Composition Limits, Per Cent—Iron and Normal Impurities Constitute Remainder
ASTM/AISI
Grade		 UNS
Number		 C Mn P
Max.		 S
Max.		 Si Cr Mo
4150 G41500 .48/.53 .75/1.00 .035 .040 .15/.35 .80/1.10 .15/.25
MECHANICAL PROPERTIES:
ASTM/AISI
Grade		 Mechanical Properties
Tensile
Strenght
(ksi)dagger		 Yield
Strength
(ksi)dagger		 Elongation
in 2"
%		 Reduction
of Area
%
4150 90/100 65/75 20/30 45/55
Condition of Steel Typical Hardness Average
Machinability
% of CD 1215
Brinell Rockwell
Hot Rolled Annealed 185/215 B90/96 52
Horizontal Linedagger 1 Ksi = 1000 psi
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
3-1/4 28.21 564.2
 
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
7-1/2 150.2 3004.0
”H” Band version available
* Generally Calcium-Aluminum treated for improved machinability. 4140 available
     
   
""
STEEL ALLOY ROUNDS
HOT ROLLED
Quenched and Tempered
Machine Straightened
Stress Relieved*
4150** Heat Treated
 Top
ASTM A 434 Class BC
Standard Lengths: 20 Ft. Random
 "" Chemical Composition""     "" Mechanical Properties""
CHEMICAL COMPOSITION:
Composition Limits, Per Cent—Iron and Normal Impurities Constitute Remainder
ASTM/AISI
Grade		 UNS
Number		 C Mn P
Max.		 S
Max.		 Si Cr Mo
4150 G41500 .48/.53 .75/1.00 .035 .040 .15/.35 .80/1.10 .15/.25
MECHANICAL PROPERTIES:
ASTM/AISI
Grade		 Condition of Steel
HR & CF Heat Treated
 		 Mechanical Properties
Tensile
Strenght
(ksi)dagger		 Yield
Strength
(ksi)dagger		 Elongation
in 2"
%		 Reduction
of Area
%
4142/50 &
41L42/50		 1-1/2" and Under 130 min 110 min 16 min 50 min
—Over 1-1/2" – 2-1/2" incl. 125 min 105 min 16 min 50 min
  —Over 2-1/2" – 4" incl. 115 min 95 min 16 min 50 min
  —Over 4" – 7" incl. 110 min 85 min 16 min 45 min
  —Over 7" – 9-1/2" incl. 105 min 80 min 15 min 40 min
ASTM/AISI
Grade		 Condition of Steel
HR & CF Heat Treated
 		 Typical Hardness Average
Machinability
% of CD 1215
Brinell Rockwell
4142/50 &
41L42/50		        1-1/2" and Under 269/321 C28/34  
      —Over 1-1/2" – 2-1/2" incl. 269/321 C28/34 50""
        —Over 2-1/2" – 4" incl. 269/321 C28/34  
        —Over 4" – 7" incl. 262/311 C26/33 63""
        —Over 7" – 9-1/2" incl. 262/311 C26/33  
Horizontal Linedagger 1 Ksi = 1000 psi
"" With the addition of 0.15%–0.35% lead, machinability is increased approximately 25%, longitudinal mechanical properties are not appreciably affected.
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
4-1/2   54.08 1081.6
9" 216.3   4326.0
 
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
10" 267.0 5340.0
     
  *Or Stress Free Practice.
**Generally Calcium-Aluminum treated for improved machinability
     
   
""
STEEL ALLOY ROUNDS
HOT ROLLED ANNEALED
Machine Straightened
4150 MRS*
 Top
ASTM A 322
Standard Lengths: 20 Ft. Random
 "" Chemical Composition""     "" Mechanical Properties""
CHEMICAL COMPOSITION:
Composition Limits, Per Cent—Iron and Normal Impurities Constitute Remainder
ASTM/AISI
Grade		 UNS
Number		 C Mn P
Max.		 S
Max.		 Si Cr Mo
4150MRS — .48/.53 1.00/1.20 .035 .06/.10 .15/.35 .70/.90 .15/.25
MECHANICAL PROPERTIES:
ASTM/AISI
Grade		 Mechanical Properties
Tensile
Strenght
(ksi)dagger		 Yield
Strength
(ksi)dagger		 Elongation
in 2"
%		 Reduction
of Area
%
4150 MRS 90/100 65/75 20/30 45/55
Condition of Steel Typical Hardness Average
Machinability
% of CD 1215
Brinell Rockwell
Hot Rolled Annealed 185/215 B90/96 73
Horizontal Linedagger 1 Ksi = 1000 psi
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
3"   24.03   480.6
3-1/4   28.21   564.2
3-1/2   32.71   654.2
3-3/4   37.55   751.0
4"   42.73   854.6
4-1/4   48.23   964.6
4-1/2   54.08 1081.6
5"   66.76 1335.2
5-3/4   88.29 1765.8
6"   96.13 1922.6
6-1/4 104.3   2086.0
6-1/2 112.8   2256.0
 
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
6-3/4 121.7 2434.0
7" 130.8 2616.0
7-1/2 150.2 3004.0
7-3/4 160.4 3208.0
8" 170.9 3418.0
8-1/4 181.8 3636.0
9" 216.3 4326.0
9-1/4 228.5 4570.0
9-1/2 241.0 4820.0
9-3/4 253.9 5078.0
10 267.0 5340.0
     
”H” Band version available
* 4150 Modified Resulfurized Annealed
     
   
""
STEEL ALLOY ROUNDS
HOT ROLLED
Quenched and Tempered
Machine Straightened
Stress Relieved*
4150 MRS** Heat Treated
 Top
ASTM A 434 Class BC
Standard Lengths: 20 Ft. Random
"" Chemical Composition""     "" Mechanical Properties""
CHEMICAL COMPOSITION:
Composition Limits, Per Cent—Iron and Normal Impurities Constitute Remainder
ASTM/AISI
Grade		 UNS
Number		 C Mn P
Max.		 S
Max.		 Si Cr Mo
4150MRS — .48/.53 1.00/1.20 .035 .06/.10 .15/.35 .70/.90 .15/.25
MECHANICAL PROPERTIES:
ASTM/AISI
Grade		 Condition of Steel
HR Heat Treated
 		 Mechanical Properties
Tensile
Strenght
(ksi)dagger		 Yield
Strength
(ksi)dagger		 Elongation
in 2"
%		 Reduction
of Area
%
4150 MRS   1-1/2" and Under 130 min 110 min 16 min 50 min
    —Over 1-1/2" – 2-1/2" incl. 125 min 105 min 16 min 50 min
    —Over 2-1/2" – 4" incl. 115 min 95 min 16 min 50 min
    —Over 4" – 7" incl. 110 min 85 min 16 min 45 min
    —Over 7" – 9-1/2" incl. 105 min 80 min 15 min 40 min
ASTM/AISI
Grade		 Condition of Steel
HR Heat Treated
 		 Typical Hardness Average
Machinability
% of CD 1215
Brinell Rockwell
4150 MRS        1-1/2" and Under 269/321 C28/34  
        —Over 1-1/2" – 2-1/2" incl. 269/321 C28/34  
        —Over 2-1/2" – 4" incl. 269/321 C28/34 62
        —Over 4" – 7" incl. 262/311 C26/33  
        —Over 7" – 9-1/2" incl. 262/311 C26/33  
Horizontal Linedagger 1 Ksi = 1000 psi
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
1"   2.670   53.40
1-1/8   3.380   67.60
1-1/4   4.173   83.46
1-7/8   5.049 101.0  
1-1/2   6.008 120.2  
1-5/8   7.052 141.0  
1-3/4   8.178 163.6  
1-7/8   9.388 187.8  
2" 10.68   213.6  
2-1/8 12.06   241.2  
2-1/4 13.52   270.4  
2-3/8 15.06   301.2  
2-1/2 16.69   333.8  
2-5/8 18.40   368.0  
2-3/4 20.19   403.8  
2-7/8 22.07   441.4  
3" 24.03   480.6  
3-1/8 26.08   521.6  
3-1/4 28.21   564.2  
3-3/8 30.42   608.4  
3-1/2 32.71   654.2  
3-5/8 35.09   701.8  
3-3/4 37.55   751.0  
 
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
3-7/8   40.10   802.0
4"   42.73   854.6
4-1/4   48.23   964.6
4-1/2   54.08 1081.6
4-3/4   60.25 1205.0
5"   66.76 1335.2
5-1/4   73.60 1472.0
5-1/2   80.78 1615.6
5-3/4   88.29 1765.8
6"   96.13 1922.6
6-1/4 104.3   2086.0
6-1/2 112.8   2256.0
6-3/4 121.7   2434.0
7" 130.8   2616.0
7-1/4 140.4   2808.0
7-1/2 150.2   3004.0
7-3/4 160.4   3208.0
8" 170.9   3418.0
8-1/4 181.8   3636.0
8-1/2 192.9   3858.0
9" 216.3   4326.0
9-1/2 241.0   4820.0
10" 267.0   5340.0
 *Or Stress Free Practice.
**4150 Modified Resulfurized Heat Treated
     
   
""
STEEL ALLOY ROUNDS
HOT ROLLED ANNEALED
Machine Straightened
41L50
 Top
ASTM A 322
Standard Lengths: 20 Ft. Random
 "" Chemical Composition""     "" Mechanical Properties""
CHEMICAL COMPOSITION:
Composition Limits, Per Cent—Iron and Normal Impurities Constitute Remainder
ASTM/AISI
Grade		 UNS
Number		 C Mn P
Max.		 S
Max.		 Si Cr Mo Pb
41L50 G41500 .48/.53 .75/1.00 .035 .040 .15/.35 .80/1.10 .15/.25 .15/.35
MECHANICAL PROPERTIES:
ASTM/AISI
Grade		 Mechanical Properties
Tensile
Strenght
(ksi)dagger		 Yield
Strength
(ksi)dagger		 Elongation
in 2"
%		 Reduction
of Area
%
4150"" 90/100 65/75 20/30 45/55
Condition of Steel Typical Hardness Average
Machinability
% of CD 1215
Brinell Rockwell
Hot Rolled Annealed 185/215 B90/96 52"'
Horizontal Linedagger 1 Ksi = 1000 psi
"" With the addition of 0.15%–0.35% lead, machinability is increased approximately 25%, longitudinal mechanical properties are not appreciably affected.
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
3-1/2 32.71 654.2
 
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
5-1/2 80.78 1615.6
     
   
""
STEEL ALLOY ROUNDS
HOT ROLLED
Quenched and Tempered
Machine Straightened
Stress Relieved*
41L50 Heat Treated
 Top
ASTM A 434 Class BC
Standard Lengths: 20 Ft. Random
 "" Chemical Composition""     "" Mechanical Properties""
CHEMICAL COMPOSITION:
Composition Limits, Per Cent—Iron and Normal Impurities Constitute Remainder
ASTM/AISI
Grade		 UNS
Number		 C Mn P
Max.		 S
Max.		 Si Cr Mo Pb
41L50 G41500 .48/.53 .75/1.00 .035 .040 .15/.35 .80/1.10 .15/.25 .15/.35
MECHANICAL PROPERTIES:
ASTM/AISI
Grade		 Condition of Steel
HR & CF Heat Treated
 		 Mechanical Properties
Tensile
Strenght
(ksi)dagger		 Yield
Strength
(ksi)dagger		 Elongation
in 2"
%		 Reduction
of Area
%
4142/50 &
41L42/50		 1-1/2" and Under 130 min 110 min 16 min 50 min
—Over 1-1/2" – 2-1/2" incl. 125 min 105 min 16 min 50 min
  —Over 2-1/2" – 4" incl. 115 min 95 min 16 min 50 min
  —Over 4" – 7" incl. 110 min 85 min 16 min 45 min
  —Over 7" – 9-1/2" incl. 105 min 80 min 15 min 40 min
ASTM/AISI
Grade		 Condition of Steel
HR & CF Heat Treated
 		 Typical Hardness Average
Machinability
% of CD 1215
Brinell Rockwell
4142/50 &
41L42/50		        1-1/2" and Under 269/321 C28/34  
      —Over 1-1/2" – 2-1/2" incl. 269/321 C28/34 50""
        —Over 2-1/2" – 4" incl. 269/321 C28/34  
        —Over 4" – 7" incl. 262/311 C26/33 63""
        —Over 7" – 9-1/2" incl. 262/311 C26/33  
Horizontal Linedagger 1 Ksi = 1000 psi
"" With the addition of 0.15%–0.35% lead, machinability is increased approximately 25%, longitudinal mechanical properties are not appreciably affected.
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
3-1/2 32.71   654.2
5-1/2 80.78 1615.6
 
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
8" 170.9 3418.0
8-1/2 192.9 3858.0
*Or Stress Free Practice.
     
   
""
STEEL ALLOY ROUNDS
HOT ROLLED
Machine Straightened
4340* Annealed
 Top
ASTM A 322
Standard Lengths: 20 Ft. Random
 "" Chemical Composition""     "" Mechanical Properties""
CHEMICAL COMPOSITION:
Composition Limits, Per Cent—Iron and Normal Impurities Constitute Remainder
ASTM/AISI
Grade		 UNS
Number		 C Mn P
Max.		 S
Max.		 Si Ni Cr Mo
4340 G43400 .38/.43 .60/.80 .035 .040 .15/.35 1.65/2.00 .70/.90 .20/.30
MECHANICAL PROPERTIES:
ASTM/AISI
Grade		 Mechanical Properties
Tensile
Strenght
(ksi)dagger		 Yield
Strength
(ksi)dagger		 Elongation
in 2"
%		 Reduction
of Area
%
4340 100/120 65/85 20/30 45/55
Condition of Steel Typical Hardness Average
Machinability
% of CD 1215
Brinell Rockwell
Hot Rolled Annealed 210/250 B95/C25 45
Horizontal Linedagger 1 Ksi = 1000 psi
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
1"   2.670   53.40
1-1/8   3.380   67.60
1-1/4   4.173   83.46
1-3/8   5.049 101.0  
1-1/2   6.008 120.2  
1-3/4   8.178 163.6  
2" 10.68   213.6  
2-1/4 13.52   270.4  
2-1/2 16.69   333.8  
2-3/4 20.19   403.8  
3" 24.03   480.6  
 
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
3-1/4   28.21   564.2
3-1/2   32.71   654.2
3-3/4   37.55   751.0
4"   42.73   854.6
4-1/4   48.23   964.6
4-3/4   60.25 1205.0
5-1/4   73.60 1472.0
5-3/4   88.29 1765.8
6-1/4 104.3   2086.0
6-1/2 112.8   2256.0
7-1/2 150.2   3004.0
*Generally Calcium-Aluminum treated for improved machinability. 4340H available
     
   
""
STEEL ALLOY ROUNDS
HOT ROLLED
4820H
 Top
As Rolled - ASTM A 304
Standard Lengths: 20 Ft. Random
 "" Chemical Composition""     "" Mechanical Properties""
CHEMICAL COMPOSITION:
Composition Limits, Per Cent—Iron and Normal Impurities Constitute Remainder
ASTM/AISI
Grade		 UNS
Number		 C Mn P
Max.		 S
Max.		 Si Ni Mo
4820H H48200 .17/.23 0.60 .035 .040 .230 3.50 .25
MECHANICAL PROPERTIES:
ASTM/AISI
Grade		 Mechanical Properties
Tensile
Strenght
(ksi)dagger		 Yield
Strength
(ksi)dagger		 Elongation
in 2"
%		 Reduction
of Area
%
4820 105/115 68/78 20/30 50/60
Condition of Steel Typical Hardness Average
Machinability
% of CD 1215
Brinell Rockwell
Hot Rolled 205/235 B94/99 52
Horizontal Linedagger 1 Ksi = 1000 psi
    Size in
    Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
    5" 66.76 1335.2
   
STEEL ALLOY ROUNDS
HOT ROLLED
8620*
 Top
As Rolled - ASTM A 322
Standard Lengths: 20 Ft. Random
 Chemical Composition1     Mechanical Properties1
CHEMICAL COMPOSITION:
Composition Limits, Per Cent—Iron and Normal Impurities Constitute Remainder
ASTM/AISI
Grade		 UNS
Number		 C Mn P
Max.		 S
Max.		 Si Ni Cr Mo
8620 G86200 .18/.23 .70/.90 .035 .040 .15/.35 .40/.70 .40/.60 .15/.25
MECHANICAL PROPERTIES:
ASTM/AISI
Grade		 Mechanical Properties
Tensile
Strenght
(ksi)dagger		 Yield
Strength
(ksi)dagger		 Elongation
in 2"
%		 Reduction
of Area
%
8620 80/95 60/70 18/25 55/65
Condition of Steel Typical Hardness Average
Machinability
% of CD 1215
Brinell Rockwell
Hot Rolled 165/200 B85/93 55
Horizontal Linedagger 1 Ksi = 1000 psi
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
   3/4   1.502   30.04
1"   2.670   53.40
1-1/8   3.380   67.60
1-1/4   4.173   83.46
1-3/8   5.049 101.0  
1-1/2   6.008 120.2  
1-5/8   7.052 141.0  
1-3/4   8.178 163.6  
1-7/8   9.388 187.8  
2" 10.68   213.6  
2-1/8 12.06   241.2  
2-1/4 13.52   270.4  
2-3/8 15.06   301.2  
2-1/2 16.69   333.8  
2-5/8 18.40   368.0  
2-3/4 20.19   403.8  
2-7/8 22.07   441.4  
3 24.03   480.6  
3-1/8 26.08   521.6  
3-1/4 28.21   564.2  
3-3/8 30.42   608.4  
3-1/2 32.71   654.2  
3-5/8 35.09   701.8  
3-3/4 37.55   751.0  
3-7/8 40.10   802.0  
 
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
4"   42.73   854.6
4-1/4   48.23   964.6
4-1/2   54.08 1081.6
4-5/8   57.12 1142.4
4-3/4   60.25 1205.0
5"   66.76 1335.2
5-1/4   73.60 1472.0
5-1/2   80.78 1615.6
5-3/4   88.29 1765.8
6"   96.13 1922.6
6-1/4 104.3   2086.0
6-1/2 112.8   2256.0
6-3/4 121.7   2434.0
7" 130.8   2616.0
7-1/4 140.4   2808.0
7-1/2 150.2   3004.0
7-3/4 160.4   3208.0
8" 170.9   3418.0
8-1/4 181.8   3636.0
8-1/2 192.9   3858.0
9" 216.3   4326.0
9-1/2 241.0   4820.0
10" 267.0   5340.0
11** 323.0   6460.0
12-3/4§ 434.1   8682.0
 * Generally Calcium-Aluminum treated for improved machinability. 8620H available
** ASTM A 322 chemistry only
§ Forged and Rough Turned, Suitable for Finishing to 12-1/2". Random Lengths:
  10—20 Feet
     
   
STEEL ALLOY ROUNDS
HOT ROLLED
86L20*
 Top
As Rolled - ASTM A 322
Standard Lengths: 20 Ft. Random
 Chemical Composition1     Mechanical Properties1
CHEMICAL COMPOSITION:
Composition Limits, Per Cent—Iron and Normal Impurities Constitute Remainder
ASTM/AISI
Grade		 UNS
Number		 C Mn P
Max.		 S
Max.		 Si Ni Cr Mo Pb
86L20 G86200 .18/.23 .70/.90 .035 .040 .15/.35 .40/.70 .40/.60 .15/.25 .15/.35
MECHANICAL PROPERTIES:
ASTM/AISI
Grade		 Mechanical Properties
Tensile
Strenght
(ksi)dagger		 Yield
Strength
(ksi)dagger		 Elongation
in 2"
%		 Reduction
of Area
%
8620"" 80/95 60/70 18/25 55/65
Condition of Steel Typical Hardness Average
Machinability
% of CD 1215
Brinell Rockwell
Hot Rolled 165/200 B85/93 55""
Horizontal Linedagger 1 Ksi = 1000 psi
"" With the addition of 0.15%–0.35% lead, machinability is increased approximately 25%, longitudinal mechanical properties are not appreciably affected.
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
2" 10.68   213.6
2-1/4 13.52   270.4
4-1/2 54.08 1081.6
 
Size in
Inches		 Lbs.
Per Ft.		 Est. Lbs.
20' Bar
5" 66.76 1335.2
6" 96.13 1922.6
     
*86L20H available
 
 
1 Disclaimer: All technical data throughout this site is given only as an indication of what may be expected and should under no circumstances be used in specifying the raw materials. The technical data throughout this site has been obtained from a variety of sources we believe to be accurate, but is NOT GUARANTEED. A & C Metals - Sawing, Inc. assumes no liability whatsoever for the use of or reliance upon this information.
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