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Chapter 14 Cast Stainless Steels
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CHEMICAL COMPOSITION OF HEAT-RESISTANT CAST STAINLESS
STEELS
|
ACI Type |
UNS |
ASTM Specification |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
|
HAa |
--- |
A 217 |
0.20 MAX |
0.35-0.65 |
0.04 |
0.04 |
1.00 |
8.0-10.0 |
--- |
|
HC |
J92605 |
A 297, A 608 |
0.50 MAX |
1.00 |
0.04 |
0.04 |
2.00 |
26.0-30.0 |
4.0max |
|
HD |
J93005 |
A 297, A 608 |
0.50 MAX |
1.50 |
0.04 |
0.04 |
2.00 |
26.0-30.0 |
4.0-7.0 |
| HE |
J93403 |
A 297, A 608 |
0.20-0.50 |
2.00 |
0.04 |
0.04 |
2.00 |
26.0-30.0 |
8.0-11.0 |
| HF |
J92603 |
A 297, A 608 |
0.20-0.40 |
2.00 |
0.04 |
0.04 |
2.00 |
19.0-23.0 |
9.0-12.0 |
| HHb |
J93503 |
A 297, A 608, A 447 |
0.20-0.50 |
2.00 |
0.04 |
0.04 |
2.00 |
24.0-28.0 |
11.0-14.0 |
| HI |
J94003 |
A 297, A 567, A 608 |
0.20-0.50 |
2.00 |
0.04 |
0.04 |
2.00 |
26.0-30.0 |
14.0-18.0 |
| HK |
J94224 |
A 297, A 351, A 567, A 608 |
0.20-0.60 |
2.00 |
0.04 |
0.04 |
2.00 |
24.0-28.0 |
18.0-22.0 |
| HK30 |
J94203 |
A 351 |
0.25-0.35 |
2.00 |
0.04 |
0.04 |
1.75 |
23.0-27.0 |
19.0-22.0 |
| HK40 |
J94204 |
A 351 |
0.35-0.45 |
2.00 |
0.04 |
0.04 |
1.75 |
23.0-27.0 |
19.0-22.0 |
| HL |
J94604 |
A 297, A 608 |
0.20-0.60 |
2.00 |
0.04 |
0.04 |
2.00 |
28.0-32.0 |
18.0-22.0 |
| HN |
J94213 |
A 297, A 608 |
0.20-0.50 |
2.00 |
0.04 |
0.04 |
2.00 |
19.0-23.0 |
23.0-27.0 |
| HP |
--- |
A 297 |
0.35-0.75 |
2.00 |
0.04 |
0.04 |
2.00 |
24.0-28.0 |
33.0-37.0 |
| HT |
J94605 |
A 297, A 351, A 567, A 608 |
0.35-0.75 |
2.00 |
0.04 |
0.04 |
2.50 |
13.0-17.0 |
33.0-37.0 |
| HT30 |
N08603 |
A 351 |
0.25-0.35 |
2.00 |
0.04 |
0.04 |
2.50 |
13.0-17.0 |
33.0-37.0 |
| HU |
--- |
A 297, A 608 |
0.35-0.75 |
2.00 |
0.04 |
0.04 |
2.50 |
17.0-23.0 |
37.0-41.0 |
| HW |
--- |
A 297, A 608 |
0.35-0.75 |
2.00 |
0.04 |
0.04 |
2.50 |
10.0-14.0 |
58.0-62.0 |
| HX |
--- |
A 297, A 608 |
0.35-0.75 |
2.00 |
0.04 |
0.04 |
2.50 |
15.0-19.0 |
64.0-68.0 |
| a.
Molybdenum is intentionally added only to HA, which has 0.90-1.20% Mo; for
all other alloys molybdenum is 0.5% max. |
| b.
HH also contains nitrogen, 0.2 % (max). |
| All
values are maximums, unless otherwise specified. |
| |
|