ЛрО,2таУ be estima,ed by lowering Rp1 0 by 25 MPa.
Лр0,2 values instead of7?P1,0.
The austenitic-ferritic steels are not to be used for temperatures higher than 250 CC in pressure vessel applications. 1 MPa = 1 N/mm2Annex A
Welding conditions
Annex A is normative for austenitic and austenitic-ferritic grades.
Annex A is informative for ferritic and martensitic grades.
Table A.1 —Welding conditions (D To D ro ■U c ro g c (/> □ < Designator Name |
1 Number |
Preheat temperature °С a |
Interpass temperature °С max. |
Post heat treatment °С |
|
GP240GH |
1.0619 |
20 to 150 |
350 |
No heat treatment necessary |
|
GP280GH |
1.0625 |
20 to 150 |
350 |
No heat treatment necessary |
|
G17Mn5 |
1.1131 |
20 to 150 |
350 |
No heat treatment necessary |
|
G20Mn5 |
1.6220 |
20 to 150 |
350 |
No heat treatment necessary |
|
G18Mo5 |
1.5422 |
20 to 200 |
350 |
>650 |
|
G20Mo5 |
1.5419 |
20 to 200 |
350 |
>650 |
|
G17CrMo5-5 |
1.7357 |
150 to 250 |
350 |
>650 |
|
G17CrMo9-10 |
1.7379 |
150 to 250 |
350 |
>680 |
|
G12MoCrV5-2 |
1.7720 |
200 to 300 |
400 |
>680 |
|
G17CrMoV5-10 |
1.7706 |
200 to 300 |
400 |
>680 |
|
G9Ni10 |
1.5636 |
20 to 150 |
350 |
>570 |
|
G17NiCrMo13-6 |
1.6781 |
20 to 200 |
350 |
>580 |
|
G9Ni14 |
1.5638 |
20 to 200 |
300 |
>560 |
|
GX15CrMo5 |
1.7365 |
150 to 250 |
350 |
>650 |
|
GX8CrNi12 |
1.4107 |
100 to 200 |
350 |
Same as normal tempering temperature |
|
GX3CrNi13-4 |
1.6982 |
20 to 200 |
b |
b |
|
GX4CrNi13-4 |
1.4317 |
100 to 200 |
300 |
Same as normal tempering temperature |
|
GX23CrMoV12-1 |
1.4931 |
200 to 450 |
450 |
> 680 °С after cooling under 80 °С to 130°C |
|
GX4CrNiMo16-5-1 |
1.4405 |
No preheat |
200 |
Same as normal tempering temperature |
|
|
|
|
|
Minor welds c |
Major welds d |
GX2CrNi 19-11 |
1.4309 |
No preheat |
b |
No heat tr. necess. |
No heat tr. necess. e |
GX5CrNi19-10 |
1.4308 |
+AT’9 |
|||
GX5CrNiNb19-11 |
1.4552 |
No heat tr. necess., but h |
|||
GX2CrNiMo19-11-2 |
1.4409 |
No heat tr. necess. |
No heat tr. necess. e |
||
GX5CrNiMo19-11-2 |
1.4408 |
+Atf9 |
|||
GX5CrNiMoNb19-11-2 |
1.4581 |
No heat tr. necess., but h |
|||
GX2NiCrMo28-20-2 |
1.4458 |
20 to 100 |
150 |
No heat tr. necess., but c |
+АТ' |
GX10NiCrSiNb32-20 |
1.4859 |
No preheat |
200 |
For wall thickness > 80 mm, annealing at > 850 °С is necessary to reduce residual stresses |
|
GX2CrNiMoN22-5-3 |
1.4470 |
20 to 100 |
250 |
+ AT'j |
+ AT'' |
GX3CrNiMoCuN25-6-3-3 |
1.4517 |
20 to 100 |
250 |
+ AT'j |
+ AT 'j |
GX2CrNiMoN25-7-3 |
1.4417 |
20 to 100 |
250 |
+ AT'i |
+ AT'j |
GX2CrNiMoN26-7-4 |
1.4469 |
20 to 100 |
250 |
+ AT' j |
+ AT'j |
to ё О c
b At the discretion of the manufacturer unless otherwise agreed.
c For minor welds, where applicable, special arrangement shall be agreed upon according to corrosion conditions.
d In general production welds are considered major when the depth of the cavity prepared for welding exceeds 40 % of the wall thickness
e For use at low temperature + AT is required.
f The heat treatment for all the mentioned steels is + AT (solution annealing); it is usually made by liquid quenching or by air quenching if so agreed for very small and thin castings.
9 For use at high temperature + AT may be suppressed.
h For improving the corrosion resistance a special stabilising heat treatment (stress relieve and carbide precipitation) in the range of 600 °С to 650 °С for GX5CrNiNb19-11 and 550 °С to 600 °С for GX5CrNiMoNb19-11-2 may be agreed.
' + AT may only be suppressed if welding is performed with restricted heat input conditions.
Annex В
(informative)
Physical properties
Information on physical properties of steel grades is given in Table B.1.
Table B.1 — Physical properties (informative)
Designation Name Number |
Density kg/dm^ at 20 °С |
Mean thermal expansion ■io-6K"1 from |
Thermal conductivity W/(mK) at |
Specific heat J/(kgK) at |
Magnetic properties |
|||||||||||||||
20 °С to 100 °С |
20 °С to 300 °С |
20 °С to 500 °С |
||||||||||||||||||
50 °С |
100 °С |
20 °С |
||||||||||||||||||
GP240GH |
1.0619 |
7,8 |
12,6 |
13,4 |
14 |
45 |
|
460 |
Magnetic |
|||||||||||
GP280GH |
1.0625 |
7,8 |
12,8 |
13,6 |
14,5 |
45 |
|
460 |
||||||||||||
G17Mn5 |
1.1131 |
7,8 |
13,0 |
13,8 |
15 |
45 |
|
460 |
||||||||||||
G20Mn5 |
1.6220 |
7,8 |
13,0 |
13,8 |
15 |
45 |
|
460 |
||||||||||||
G18Mo5 |
1.5422 |
7,85 |
12,4 |
13,1 |
13,8 |
43 |
- |
460 |
||||||||||||
G20Mo5 |
1.5419 |
7,85 |
12,4 |
13,1 |
13,8 |
43 |
■ |
460 |
||||||||||||
G17CrMo5-5 |
1.7357 |
7,85 |
11,8 |
12,9 |
13,7 |
38,5 |
|
460 |
||||||||||||
G17CrMo9-10 |
1.7379 |
7,85 |
11,8 |
12,6 |
13,4 |
— |
|
460 |
||||||||||||
G12MoCrV5-2 |
1.7720 |
7,85 |
|
|
|
|
|
460 |
||||||||||||
G17CrMoV5-10 |
1.7706 |
7,85 |
12,4 |
13,6 |
14,5 |
|
~~ |
460 |
||||||||||||
G9Ni10 |
1.5636 |
7,85 |
11,8 |
12,4 |
13,6 |
36 |
|
460 |
||||||||||||
G17NiCrMo13-6 |
1.6781 |
7,85 |
|
|
— |
|
|
460 |
||||||||||||
G9Ni14 |
1.5638 |
7,85 |
|
|
|
|
|
460 |
||||||||||||
GX15CrMo5 |
1.7365 |
7,8 |
11,8 |
12,3 |
12,7 |
30,1 |
|
460 |
||||||||||||
GX8CrNi12 |
1.4107 |
7,7 |
10,5 |
11,5 |
12,3 |
26 |
27 |
460 |
||||||||||||
GX4CrNi13-4 |
1.4317 |
7,7 |
10,5 |
11 |
12 |
26 |
27 |
460 |
||||||||||||
GX3CrNi13-4 |
1.6982 |
7,7 |
10,5 |
11 |
12 |
26 |
27 |
460 |
||||||||||||
GX23CrMoV12-1 |
1.4931 |
7,7 |
|
|
- |
|
|
460 |
||||||||||||
GX4CrNiMo16-5-1 |
1.4405 |
7,8 |
10,8 |
11,5 |
12 |
17 |
18 |
460 |
||||||||||||
GX2CrNi19-11 |
1.4309 |
7,88 |
16,8 |
17,9 |
18,6 |
15,2 |
16,5 |
530 |
Non to slight magnetic |
|||||||||||
GX5CrNi19-11 |
1.4308 |
7,88 |
16,8 |
17,9 |
18,6 |
15,2 |
16,5 |
530 |
||||||||||||
GX5CrNiNb19-11 |
1.4552 |
7,88 |
16,8 |
17,9 |
18,6 |
15,2 |
16,5 |
530 |
||||||||||||
GX2CrNiMo19-11-2 |
1.4409 |
7,9 |
15,8 |
17 |
17,7 |
14,5 |
15,8 |
530 |
||||||||||||
GX5CrNiMo19-11-2 |
1.4408 |
7,9 |
15,8 |
17 |
17,7 |
14,5 |
15,8 |
530 |
||||||||||||
GX5CrNiMoNb19-11-2 |
1.4581 |
7,9 |
15,8 |
17 |
17,7 |
14,5 |
15,8 |
530 |
||||||||||||
GX2NiCrMo28-20-2 |
1.4458 |
8,0 |
14,5 |
16,2 |
17 |
16 |
17 |
500 |
||||||||||||
GXIONiCrSiNb 32-20 |
1.4859 |
8,0 |
|
15 |
16,3 |
12,1 |
13,1 |
500 |
||||||||||||
GX2CrNiMoN22-5-3 |
1.4470 |
7,7 |
13 |
14 |
|
18 |
18 |
450 |
Appreciably magnetic |
|||||||||||
GX3CrNiMoCuN25-6-3-3 |
1.4517 |
7,7 |
13 |
14 |
|
17 |
18 |
450 |
||||||||||||
GX2CrNiMoN25-7-3 |
1.4417 |
7,7 |
13 |
14 |
|
17 |
18 |
450 |
||||||||||||
GX2CrNiMoN26-7^ |
1.4469 |
7,7 |
13 |
14 |
|
17 |
18 |
450 |
Annex C
(informative)
Creep properties
Information on creep properties for some grades used at high temperature is given in Table C.1.
Table C.1 — Creep resistance (mean values) °’r: rupture stress, MPa *, creep stress, MPa * at 1 % elongation Designation |
Temperature CC |
400 °С |
450 °С |
500 °С |
550 ’С |
600 °С |
650 *С |
700 вС |
|||||||||||||||||||
Name |
Number |
Time hour |
о о о о |
о о о о о |
о о о о о см |
о о о о |
о о о о о |
о о о о о см |
о о о о |
о о о о о |
о о о о о см |
о о о о |
о о о о о |
о о о о о см |
о о о о |
о о о о о |
200 000 |
о о о о |
о о о о о |
о о о о |
о о о о о |
||||||
GP240GH |
1.0619 |
°A1 |
|
205 147 |
160 110 |
145 |
132 88 |
83 50 |
71 |
74 43 |
40 20 |
32 |
- |
|
|
* |
|
|
|
|
|
|
|||||
GP280GH |
1 0625 |
°r °A1 |
|
210 148 |
165 110 |
|
135 90 |
85 52 |
|
75 45 |
42 22 |
|
|
|
|
|
|
|
|
|
|
- |
|||||
G20Mo5 |
1.5419 |
°r °A1 |
|
360 |
310 |
290 |
275 185 |
205 150 |
180 130 |
160 125 |
85 65 |
70 50 |
66 41 |
30 15 |
23 10 |
|
|
|
* |
|
|
|
|||||
G17CrMo5-5 |
1.7357 |
°r °A1 |
|
420 271 |
370 222 |
356 |
321 196 |
244 145 |
222 |
187 130 |
117 81 |
96 * |
98 65 |
55 35 |
44 |
|
|
• |
- - |
|
|
|
|||||
G17CrMo9-10 |
1.7379 |
<7r «’Al |
|
404 350 |
324 300 |
304 278 |
282 229 |
218 168 |
200 148 |
188 141 |
136 96 |
120 80 |
106 70 |
66 40 |
52 31 |
58 36 |
28 18 |
22 14 |
|
|
|
|
|||||
G12MoCrV5-2 |
1.7720 |
C7r |
|
|
|
|
365 |
277 |
|
208 |
140 |
|
135 |
75 |
|
89 |
|
|
|
|
|
|
|||||
Gl7CrMoV5-10 |
1.7706 |
°r °A1 |
|
463 427 |
419 385 |
395 356 |
340 305 |
275 243 |
254 218 |
229 196 |
171 133 |
157 110 |
151 120 |
96 70 |
83 49 |
80 50 |
28 18 |
19 10 |
|
|
- |
|
|||||
GX15CrMo5 a |
1.7365 |
<7r |
|
|
|
|
228 а |
165 а |
|
168 |
106 |
|
93 |
58 |
|
51 |
|
- |
|
|
* |
|
|||||
GX23CrMoV12-1 |
1.4931 |
(7r °A1 |
|
504 |
426 |
394 |
383 305 |
309 259 |
279 239 |
269 216 |
207 172 |
187 153 |
167 131 |
118 91 |
103 77 |
83 66 |
49 34 |
39 25 |
|
* |
|
|
|||||
GX5CrNi19-10 |
1.4308 |
|
|
|
|
|
* |
|
|
|
|
|
147 |
124 |
|
110 |
83 |
|
73 |
52 |
47 |
|
|||||
GX5CrNiNb19-11 |
1.4552 |
ar |
|
|
|
|
|
|
|
|
■ |
|
246 |
192 |
- |
156 |
124 |
|
109 |
80 |
73 |
|
|||||
GX5CrNiMo19-11-2 |
1.4408 |
ar |
|
|
|
|
|
|
|
|
|
|
194 |
160 |
- |
148 |
113 |
|
103 |
66 |
60 |
42 |
|||||
GX10NiCrSiNb32-20 |
1.4859 |
°r °A1 |
|
|
* |
|
■ |
|
|
- |
* |
|
|
|
- |
122 |
|
|
|
|
85,7 64 |
71,3 |
|||||
a °rat470 "C. 1 MPa = 1 N/mm |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|