Chapter 4   Carbon & Alloy Steels - Forgings

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 MECHANICAL PROPERTIES OF ALLOY STEEL FORGINGS

 

Tensile Strength

Yield Strength

 

 

Hardness

Impact Strength

 ASTM Gr/Cl

ksi

MPa

ksi

MPa

% El

% RA

HB

ft-lb (J) @ Temp F (C)a

 A 182 F1

70

485

40

275

20

30

143-192

---

 A 182 F2

70

485

40

275

20

30

143-192

---
 A 182 F5 70 485 40 275 20 35 143-217 ---
 A 182 F5a 90 620 65 450 22 50 187-248 ---
 A 182 F11 cl 1 60 415 30 205 20 45 121-174 ---
 A 182 F11 cl 2 70 485 40 275 20 30 143-207 ---
 A 182 F11 cl 3 75 515 45 310 20 30 156-207 ---
 A 182 F12 cl 1 60 415 30 205 20 45 121-174 ---
 A 182 F12 cl 2 70 485 40 275 20 30 143-207 ---
 A 182 F21 75 515 45 310 20 30 156-207 ---
 A 182 F3V 85-110 585-760 60 415 18 45 174-237 ---
 A 182 F22 cl 1 60 415 30 205 20 35 170 max  ---
 A 182 F22 cl 3 75 515 45 310 20 30 156-207 ---
 A 182 FR 63 435 46 315 25 38 197 max ---
 A 336 F1 70-95 485-660 40 275 20 40 --- ---
 A 336 F11 70-95 485-660 40 275 20 40 --- ---
 A 336 F11A 75-110 515-690 45 310 18 40 --- ---
 A 336 F11B 60-85 415-585 30 205 20 45 --- ---
 A 336 F12 70-95 485-660 40 275 20 40 --- ---
 A 336 F5 60-85 415-585 36 250 20 40 --- ---
 A 336 F5A 80-105 550-725 50 345 19 35 --- ---
 A 336 F21 75-110 515-690 45 310 19 40 --- ---
 A 336 F21A 60-85 415-585 30 205 20 45 --- ---
 A 336 F22 75-110 515-690 45 310 19 40 --- ---
 A 336 F22A 60-85 415-585 30 205 20 45 --- ---

 

Tensile Strength

Yield Strength

 

 

Hardness

Impact Strength

 ASTM Gr/Cl

ksi

MPa

ksi

MPa

% El

% RA

HB

ft-lb (J) @ Temp F (C)a
 A 336 F3V 85-110 585-760 60 415 18 45 --- ---
 A 350 LF3 cl 2                 70-95 485-655 37.5 260 22 35 197 15 (20) / 12 (16) @ -150 (-101.1)
 A 350 LF5 cl 2 70-95 485-655 37.5 260 22 35 197 15 (20) / 12 (16) @ -75 (-59.4)
 A 350 LF6 cl 1 66-91 455-495 52 360 22 40 197 15 (20) / 12 (16) @ -60 (-50)
 A 350 LF6 cl 2 75-100 515-655 60 415 20 40 197 20 (27) /15 (20) @ -60 (-50)
 A 350 LF9 63-88 435-605 46 315 25 38 197 13 (18) /10 (14) @ -100 (-73.3)
 A 350 LF787 cl 2 65-85 450-585 55 380 20 45 197 15 (20) / 12 (16) @ -75 (-59)
 A 350 LF787 cl 3 75-95 515-655 65 450 20 45 197 15 (20) / 12 (16) @ -100 (-73)
 A 541 cl 1, 1A 70-95 480-660 36 250 20 38 --- 15 (20) 10 (14) @ 40 (4)
 A 541 cl 2, 3, 4 80-105 550-720 50 340 18 38 --- 30 (41) / 25 (34) @ 40 (4)
 A 541 cl 11C 80-105 550-720 50 340 18 38 --- 15 (20) / 10 (14) @ 40 (4)
 A 541 cl 2A, 3A 90-115 620-790 65 450 16 35 --- 35 (47) / (30 (41) @ 70 (21)
 A 541 cl 22C 105-130 720-900 85 590 16 45 --- 35 (47) / 30 (41) @ 40 (4)
 A 541 cl 22D 115-140 790-1000 100 690 15 40 --- 25 (34) / 20 (27) @ 40 (4)
 A 541 cl 7, 8 105-130 720-900 85 590 18 48 --- 35 (47) / 30 (41) @ 40 (4)
 A 541 cl 7A, 8A 115-140 790-1000 100 690 16 45 --- 35 (47) / 30 (41) @ 40 (4)
 A 541 cl 7B 90-115 620-790 70 480 20 48 --- 35 (47) / 30 (41) @ 40 (4)
 A 541 cl 3V 85-110 585-760 60 415 18 45 --- 40 (55) / 35 (50) @ 0 (-18)
 A 541 cl 22B 85-110 585-760 55 380 18 45 --- 40 (55) / 35 (50) @ 0 (-18)
 A 707 cl 1 60 415 42 290 22 40 149-207 30 (41) / 24 (33)b
 A 707 cl 2 66 455 52 360 22 40 149-207 40 (54) / 32 (43)b
 A 707 cl 3 75 515 60 415 20 40 156-235 50 (68) / 40 (54)b
 A 707 cl 4 90 620 75 515 20 40 179-265 50 (68) / 40 (54)b
 a  Energy value ft-lb (J) minimum value for two specimens and minimum average of three specimens, followed by energy value ft-lb (J)
 minimum for single specimen; all specimens full size 10 mm X 10 mm.
 b. Impact test temperature for grade L1 is -20 F (-29 C); for grades L2 and L3 is -50 F (-46 C); for grades L4, L5, L6 is -80 F (-62 C) and
 for grades L7 and L8 is -100 F (-73 C).
 Single vlue ar minimums, unless otherwise specified.
 
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 The Ferrous Metals Data Book