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Properties of Valve Materials Steel
　

ALLOY		 ASTM NO. OTHER
ALLOY
DESIGNATION		  NOMINAL OR MAXIMUM CHEMICAL COMPOSITION
AL CARBON
C		 CHROME
Cr		 COBALT
Co		 COPPER
Cu		 IRON
Fe		 LEAD
Pb		 MANGA-
NESE
Mn		 MOLYB-
NESE
Mo

304 Wrot 304
316 Cast 316		 A 167 304
A 351 CF8M 		 UNS S30400
UNS S31600		   0.08
0.08		 19
20		         2
1.5
2.5
316 Cast 316
316 Cast 316		 A 743 CF16F
A 743 CF8M		     0.16
0.08		 20
20		         1.5
1.5		 1.5
2.5
316 Wrot 316
410 Cast 410		 A 276 316
A 217 CA 15		 UNS S31600   0.08
0.15		 17
13		         2
1
2.5
410 Forged 410
  410 Wrot 410		 A 182 F6A2
A 276 410
UNS S41000		   0.15
0.15		 13
13		         1
1		  
416 Wrot 416
420 Wrot 420		 A 582
A 276 420		 UNS S41600
UNS S42000		   0.15
0.15		 13
13		         1.25
1		  
20 Cast Alloy 20
20 Wrot Alloy 20		 A 743 CN7M
B 473 20C63
UNS N08020		   0.07
0.07		 20
20		   3.5
3.5		     1.5
2		 2.5
2.5
17-4PH Wrot 17-4PH A 564 630 UNS S17400   0.07 16   3.5     1  



 Forged Carbon Steel
  Cast Carbon Steel		 A 105
A 216 WCB		     0.35
0.3		           1
1.1		  
11/4 Cast Cr. Moly Steel
Cast Cr. Moly Steel		 A 217 WC6
A 217 C5		     0.2
0.2		 1.2
5		         0.7
0.55		 0.55
0.55
 Cast Low Carbon Steel
Nickel-Low Carbon Steel		 A 352 LCB
A 352 LC2		     0.3
0.25		           1.0
0.65		  
 B-7 Alloy Steel Studs
304 SS Nuts		 A 193 B7
A 194 GR8		     0.4
0.08		 1
19		         0.85
2		 0.2
2-H Alloy Steel Nuts
  Reg. Steel Bolting		 A 194 2H
A 307 Gr. B		     0.4
0.2		          
0.45		  
Steel Bolting
  304SS Bolting		 A 449
A 493 304		 UNS S30400   0.4
0.08
19		         0.6
2		  
Eyebolts
  Gland Nuts		 A 489
A 563 Gr. A		     0.48
0.37
0.55		  
0.35		     1.0
1.0		  
 H/W Nuts
  Swing Bolt Pin		 A 108 1020
A 108 1212		 UNS G10200
UNS G12120		   0.20
0.13		           0.45
0.85		  
Yoke Bushing Caps
  Seat Ring Base		 A108 12L14
A 519 1026		     0.15
0.25		         .25 1.0
0.75		  
(Trademark Materials
like, Stellite 6*, Stoody 6,
and Wallex 6)		   AWS 5.13   1.25 29 55   2.5      
Cast Monel
Wrot Monel (K-500)		   QQ-N-288-E
QQ-N-286-C1B		   0.5
3.0		 0.3
0.1		   30
24		 3.5
2.0		   1.5
1.5		  

 

ALLOY NOMINAL OR MAXIMUM CHEMICAL COMPOSITION NOMINAL PHYSICAL PROPERTIES
NICKEL
Ni		 PHOS
P		 SILICON
Si		 SULFUR
S		 TIN
Sn		 TITAN-
IUM
Ti		 TUNG-
STEM
W		 ZINC
Zn		 TENSILE
STRENGTH
Psi		 YIELD
STRENGTH
Psi		 %
ELONGATION		 HARDENESS
Wrot 304
  Cast 316		 9
11		 0.045
0.04		 1.0
2.0		 0.03
0.04		         75,000
70,000		 30,000
30,000		 40
25		 202 HB
Cast 316
  Cast 316		 11
12		 0.04
0.045		 2.0
1.0		 0.04
0.03		         70,000
75,000		 30,000
30,000		 30
30		  
 Wrot 316
  Cast 410		 12
1		 0.045
0.04		 1.0
1.5		 0.03
0.04		         75,000
90,000		 30,000
65,000		 30
18		  
Forged 410
   Wrot 410
0.5		 0.04
0.04		 1.0
1.0		 0.03
0.03		         85,000
100,000		 55,000
80,000		 18
15		 200/225 HB
 Wrot 416
  Wrot 420		   0.06
0.04		 1.0
1.0		 0.15
0.03		         114,000 95,000 17 235 HB
250/450 HB
Cast Alloy 20
  Wrot Alloy 20		 28
35		 0.04
0.045		 1.5
1.0		 0.04
0.035		         62,000
85,000		 25,000
35,000		 35
30		  
 Wrot 17-4PH 4 0.04 1.0 0.03         115,000 75,000 18 255 HB


 

  Forged Carbon Steel
  Cast Carbon Steel		   0.04
0.04		 0.035
0.6		 0.05
0.045		         70,000
70,000		 36,000
36,000		 22
22		 187 HB
11/4 Cast Cr. Moly Steel
  Cast Cr. Moly Steel		   0.04
0.04		 0.06
0.75		 0.045
0.045		                
Cast Low Carbon Steel
  Nickel-Low Carbon Steel
2.5		 0.04
0.04		 0.6
0.6		 0.045
0.045		         65,000
70,000		 35,000
40,000		 24
24		  
B-7 Alloy Steel Studs
  304 SS Nuts
9		 0.035
0.045		 0.25
1.0		 0.04
0.03		         125,000 105,000 16
126/300 HB
2-H Alloy Steel Nuts
  Reg. Steel Bolting		   0.04
0.04		   0.05
0.05		        
100,000		  
18		 250/300 HB
121/212 HB
Steel Bolting
  304SS Bolting
9		 0.04
0.045
1.0		 0.05
0.03		         120,000
90,000		 92,000 14  
 Eyebolts
  Gland Nuts
0.35		 0.04
0.04		 0.25
0.2		 0.05
0.05		         75,000 30,000 30  
H/W Nuts
  Swing Bolt Pin		   0.04
0.10		   0.05
0.20		               120/300 HB
Yoke Bushing Caps
  Seat Ring Base		   0.07
0.04		   0.3
0.05		        
55,000
35,000
25		  
(Trademark Materials like,
Stellite 6*, Stoody 6, and Wallex 6)		 3           5   105,000   10 350 HB
Cast Monel
  Wrot Monel (K-500)		 60
67		 1.5
0.5
0.01
0.5		         65,000
135,000		 32,500
95,000		 25
20		 125/150 HB
255 HB

 From: NVF valve knowledge

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