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Technical Data.
Alloy Steel Bar in Rounds Flats, Blocks, Rings, and Forging Cut To Your Size Requirements
Aircraft Quality Alloy Steel Bars
Grade
Specification
Size (Dia )  (Thickness) X(Bar width)
Conditions:
4130 Round Bar
 4130 Heat Treated Round Bar
 4130 Rectangular Bar
 4130 Flat Bar
 4130 Hex Bar
 4130 Forged Bar
 4130 Square Bar
MIL-S-6758
 AMS-S-6758
 AMS 6370
 AMS 6348
 AMS 6446
 AMS 2301
 ASTM A 331
ASTM A322
4130 Bar Dia .187” to 20” Round
 4130 Round Bar Length: 72”-144” Rdom Lgth
 4130 Flat Bar Thickness:.250” ~ 5” Thick
 4130 Flat Bar Width:1” to 6” Wide
 4130 Hex Bar
4130
 Hot Rolled Rough Turned/ Normalized/ and Tempered
 C4. D4/Cold Finished
4140 Round Bar
 4140 Heat Treated Round Bar
 4140 Rectangular Bar
 4140 Flat Bar
 4140 Hex Bar
 4140 Forged Bar
AMS-2301, AMS-S-5626  
 AMS-2304, ASTM-A-331  
 AMS-6349, MIL-S-5626  
 AMS-6382
4140 Bar Dia .187” to 20” Round
 4140 Round Bar Length: 72”-144” Rdom Lgth
 4140 Flat Bar Thickness:.250” ~ 5” Thick
 4140 Flat Bar Width:1” to 6” Wide
 4140 Hex Bar
Normalized/
 Annealed
4330 Mod,Round Bar
 4330 Vac Melt Bar          4330 Rectangular Bar
 4330 Forged Bar
 4330 Heat Treated Round Bar
MIL-S-8699, AMS 6427
 AMS 6411
 AMS 2301, BMS7-27
 AMS 2300, BMS7-122
 AMS 6411, EMS 96242
 CE 0906, FMS 1012
 GM 1010, ASTM A322
 AMS-H-6875, CPS 4911
 Mil-F-7190, AMS-F-7190
 DMS 1800 Class 1
 AMS-STD-2154 CL A
4330 Bar Dia .187” to 20” Round
 4330 Round Bar Length: 72”-144” Rdom Lgth
 4330 Flat Bar Thickness:.250” ~ 8” Thick
 4330 Flat Bar Width:1” to 6” Wide
 4330 Hex Bar
Hot Rolled,
 Annealed/ Quench and Tempered
4340 Round Bar
 4340 Norm & Temp Bar
 4340 Vac Melt Round Bar
 4340 Square Bar
 4340M Rectangular Bar
 4340 Flat Bar
 300M Round Bar
 300M Rectangular Bar
 300M Flat Bar
 300M Square Bar
 4340M Bar
 4340 Forged Bar
 4340 Heat Treated Round Bar
AMS 6257, AMS 6419
 AMS 6417, BAC 5617
 AMS 6414, AMS 6415
 BMS7-26, AMS 2300
 GM 1012, CPS 4911
 C-05-1190, AMS 6409
 MIL-S-8844 Class 1 and 3
 MIL-S-83135, AMS 6416
 CE-0896, BMS7-28
 DMS 1555, DMS 1935
 EMS 641, Mil-F-7190
 AMS-F-7190
 DMS 1800 Class 1
 AMS-STD-2154 CL A
 ASTM A 322
4340 Bar Dia .187” to 18” Round
 4340 Round Bar Length: 72”-144” Rdom Lgth
 4340 Flat Bar Thickness:.250” ~ 5” Thick
 4340 Flat Bar Width:1” to 6” Wide
 4340 Hex Bar
Hot Rolled,
 Annealed/ Quench and Tempered
AMS-STD-2154 CL 2
4620 Vac Melt Round Bar
MIL-S-7493, AMS 2304
 AMS 6294, ASTM-A-322
 ASTM -A-331
4620 Round Bar Dia .250” to 6” Round
 4620 Round Bar Length: 72”-144” Rdom Lgth
Hot Rolled and Rough Turned
52100 Vac Melt Round Bar
AMS-2300,  AMS-S-7420  
 AMS-6440,  MIL-S-7420  
 AMS-6444
52100 Round Bar Dia .250” to 4” Round
 52100 Round Bar Length: 72”-144” Rdom Lgth
Hot Rolled Rough Turned
Vac Melt
6150 Vac Melt Round Bar:
AMS 6448 , AMS 2300
 ASTM-A-322, ASTM-A-331  AMS-S-8503,  MIL-S-8503
6150 Round Bar Dia .250” to 4” Round
 6150 Round Bar Length: 72”-144” Rdom Lgth
Vac Melt
 Hot Rolled Rough Turned
8740 Round Bar
AMS-2301,  AMS-S-6049
AMS-2304,  ASTM-A-331  
 AMS-6322  MIL-S-6049
8740 Round Bar Dia .260” to 18” Round
 8740 Round Bar Length: 72”-144” Rdom Lgth
Hot Rolled Rough Turned
9310  Vac. Melt Round  Bar
 9310 Norm & Temp Round Bar
AMS-2301, AMS 2304  
 ASTM-A-322 , HT-5042
AMS-6260  MIL-S-7393 COMP. 3  
 AMS-2300,  EMS-56280  
 AMS-6260, HT-5042
AMS-6265, AMS-6267  
 MIL-S-83030 COMP. 3  
 BPS-299-947-032AF
9310 Round Bar Dia: 1 .50” to 8.00” Round
 9310 Round Bar Length: 72”-144” Rdom Lgth
Norm & Temp
 Vac Melt
D6AC Vac Melt Round Bar
AMS-2300, LCM-05-2190  
 AMS-6431, MIL-S-8949
AMS-S-8949 , MIL-S-8949
FMS-1011, STM-05-500  
 GM-1013
D6AC Round Bar Dia .500” to 6” Round
 D6AC Round Bar Length: 72”-144” Rdom Lgth
Hot Rolled Rough Turned
HY-TUFF Norm & Temp Round Bar
HY-TUFF Forged Bar
 HY-TUFF Vac Melt Bar
 HY-TUFF CEV Bar
AMS-2301, ASTM-A-322  
 AMS-2304, AMS-6418
DMS-1841 GRD A/B  
 MIL-S-7108 , AMS-S-7108  
 AMS-6425  


HY-TUFF Round Bar Dia: 1-1/2” to 12” Round
 HY-TUFF  Round Bar Length: 72”-144” Rdom Lgth
Norm & Temp
 Vac Melt
 Hot Rolled Rough Turned
Alloy Steel Surface & Physical Conditions
Physical Condition
Surface Condition
A
As Forged
1
Black As Forged or Hot Rolled
B
As Rolled
2
Pickled Or Blast Cleaned
C
Annealed
3
Smooth Turned/Rough Turned
D
Normalized
4
Cold Finished/Cold Drawn
E
Normalized & Tempered
5
Surface Ground/Centerless Ground
F
Heat Treated & Tempered
6
Turned, Ground & Polished (TGP)
Do you only  need a small quantity ?  Or do you want to lower your cost while improving productivity.  Either way. why pay for more material than you need. We can help. Give us your final part size.

 Processing Services:
 Non Destructive Testing
 Ultrasonic Testing
 Chemical & Mechanical Testing
 Rockwell and Charpie V Notch Testing
 Centerless Bar Grinding
 Rough Machine Turning (250 and 500 RMS)
 Surface Grinding
 Double Disk Grinding
 Heat Treating
Quench and Temper/ Stress Relieve
 Annealing
Need Technical Information on Alloy Steel? Click here.
High Temperature, Aerospace , Aircraft,  and Industrial  Metals
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Pacific Alloys Corp.
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 Phone: (888) 445-3196, Fax: (310) 362-8674
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 Email: sales@pacificalloys.com
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Pacific Alloys Corp.
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Your Source for Exotic and Hard To Find Aerospace and Aircraft Metals.
Phone: (888) 445-3196, Fax: (310) 362-8674
Alloy Steel Bar