컨텐츠 영역
Figure Number
Trim Number |
Nominaltrim |
Seathardness(HB,Minimum) |
MaterialType |
Typical specification (Grade) |
Cast |
Forged |
Welded |
1 |
f6 |
b |
13Cr |
ASTM A217(CA15) |
ASTM A182(F6a) |
AWS A5.9 ER410 |
2 |
304 |
c |
18-8 Cr-Ni |
ASTM A351(CF8) |
ASTM A182(F304) |
AWS A5.9 ER308 |
3 |
F310 |
c |
25-20 Cr-Ni |
|
ASTM A182(F310) |
AWS A5.13 ER310 |
4 |
Hard F6 |
750d |
Hard 13 Cr |
|
e |
|
5 |
Hardfaced |
350d |
Co Cr-A |
|
|
AWS A5.9 ERCoCr-A |
6 |
Hardfaced |
350d |
Ni-Cr |
|
|
|
7 |
F6 and |
250f |
13 Cr |
ASTM A217(CA15) |
ASTM A182(F6a) |
AWS A5.9 ER410 |
8 |
Cu-Ni |
175f |
Cu-Ni |
|
g |
|
9 |
F6 and |
300f |
13 Cr |
ASTM A217(CA15) |
ASTM A182(F6a) |
AWS A5.9 ER410 |
10 |
Hard F6 |
750f |
Hard 13 Cr |
|
e |
|
11 |
F6 and |
300f |
13 Cr |
ASTM A217(CA15) |
ASTM A182(F6a) |
AWS A5.9 ER410 |
12 |
Hardfaced |
350f |
Co Cr-A |
|
|
AWS A5.13 ERCoCr-A |
13 |
F6 and |
300f |
13 Cr |
ASTM A217(CA15) |
ASTM A182(F6a) |
AWS A5.9 ER410 |
14 |
Hardfaced |
350f |
Ni-Cr |
|
|
|
15 |
Monel |
c |
Ni-Cu alloy |
|
Manufacture' s standard |
|
16 |
316 |
c |
18-8 Cr-Ni |
ASTM A351(CF8M) |
ASTM A182(F316) |
AWS A5.9 ER316 |
17 |
Monel and |
c |
Ni-Cu alloy |
|
Manufacture' s standard |
|
18 |
Hardfaced |
350f |
Trim 5 or 5A |
|
|
See Trim 5 or 5A |
19 |
316 and |
c |
18-8 Cr-Ni |
ASTM A351(CF8M) |
ASTM A182(F316) |
AWS A5.9 ER316 |
20 |
Hardfaced |
350f |
Trim 5 or 5A |
|
|
See Trim 5 or 5A |
21 |
Alloy 20 |
c |
19-29 Cr-Ni |
ASTM A351(CN7M) |
ASTM B473 |
AWS A5.9 ER320 |
22 |
Alloy 20 |
c |
19-29 Cr-Ni |
ASTM A351(CN7M) |
ASTM B473 |
AWS A5.9 ER320 |
23 |
and |
|
|
|
|
|
24 |
Hardfaced |
350f |
Trim 5 or 5A |
|
|
See Trim 5 or 5A |
- a) HB is Brinelll hardness number symbol per ASTM E10(formerly BHN)
- b) Body and gate 250 HD minimum, with 50 HB minimum differential Between body and gate seats.
- c) Manufacture' s standard hardness.
- d) Differential hardness betwween body and gate seat surface not required.
- e) Case hardness by nitriding to thickness of 0.005-inch(0.13 millimeters) minimum.
- f) hardness differential between body and gate seals shall be the manufacture' s standard.
- g) Manufacture' s standard, with 30 ni minimum.
- h) This classification inciudes such trademarked materials as Stellite 6, Stoody 6, asd Wallex 6.
- i) Manufacture' s standard hardfacing, with 25 percent Fe maximum.