ASTM ASME (S)A-335/(S)A-335M kwaliteit en chemische samenstelling
| Cijfer |
ONZ |
C≤ |
Mn |
P≤ |
S≤ |
Si≤ |
Kr |
Mo |
| P1 |
K11522 |
0.10~0.20 |
0.30~0.80 |
0.025 |
0.025 |
0.10~0.50 |
- |
0.44~0.65 |
| P2 |
K11547 |
0.10~0.20 |
0.30~0.61 |
0.025 |
0.025 |
0.10~0.30 |
0.50~0.81 |
0.44~0.65 |
| P5 |
K41545 |
0.15 |
0.30~0.60 |
0.025 |
0.025 |
0.50 |
4.00~6.00 |
0.44~0.65 |
| P5b |
K51545 |
0.15 |
0.30~0.60 |
0.025 |
0.025 |
1.00~2.00 |
4.00~6.00 |
0.44~0.65 |
| P5c |
K41245 |
0.12 |
0.30~0.60 |
0.025 |
0.025 |
0.50 |
4.00~6.00 |
0.44~0.65 |
| P9 |
S50400 |
0.15 |
0.30~0.60 |
0.025 |
0.025 |
0.50~1.00 |
8.00~10.00 |
0.44~0.65 |
| P11 |
K11597 |
0.05~0.15 |
0.30~0.61 |
0.025 |
0.025 |
0.50~1.00 |
1.00~1.50 |
0.44~0.65 |
| P12 |
K11562 |
0.05~0.15 |
0.30~0.60 |
0.025 |
0.025 |
0.50 |
0.80~1.25 |
0.44~0.65 |
| P15 |
K11578 |
0.05~0.15 |
0.30~0.60 |
0.025 |
0.025 |
1.15~1.65 |
- |
0.44~0.65 |
| P21 |
K31545 |
0.05~0.15 |
0.30~0.60 |
0.025 |
0.025 |
0.50 |
2.65~3.35 |
0.80~1.60 |
| P22 |
K21590 |
0.05~0.15 |
0.30~0.60 |
0.025 |
0.025 |
0.50 |
1.90~2.60 |
0.87~1.13 |
| P91 |
K91560 |
0.08~0.12 |
0.30~0.60 |
0.020 |
0.010 |
0.20~0.50 |
8.00~9.50 |
0.85~1.05 |
| P92 |
K92460 |
0.07~0.13 |
0.30~0.60 |
0.020 |
0.010 |
0.50 |
8.50~9.50 |
0.30~0.60 |
Opmerking: (S)A335 P91 andere chemische samenstellingen zijn: V 0,18~0,25; N 0,030~0,070; Ni ≤ 0,40; Al ≤ 0,04; Aantal 0,06 ~ 0,10
(S)A335 P92 andere chemische samenstelling zijn: V 0,15~0,25; N 0,030~0,070; Ni ≤ 0,40; Al ≤ 0,04; Aantal 0,04~0,09; W 1,5 ~ 2,00 ; B 0,001~0,006
Mechanische eigenschappen
| Treksterkte, MPa |
Opbrengststerkte, MPa |
Rek, % |
| 415 min |
205 min |
30 minuten |
Buiten Diameter & Tolerantie
| ASTM A450 |
Warm gewalst |
Buitendiameter, mm |
Tolerantie, mm |
| OD≤101.6 |
+0.4/-0.8 |
101.6
| +0.4/-1.2 |
|
190.5
| +0.4/-1.6 |
|
| Koudgetrokken |
Buitendiameter, mm |
Tolerantie, mm |
| OD<25.4 |
±0,10 |
| 25.4≤OD≤38.1 |
±0,15 |
38.1
| ±0,20 |
|
| 50.8≤OD <63.5 |
±0,25 |
| 63,5≤OD<76,2 |
±0.30 |
| 76.2≤OD≤101.6 |
±0,38 |
101.6
| +0.38/-0.64 |
|
190.5
| +0.38/-1.14 |
|
| ASTM A530 & ASTM A335 |
NPS |
Buitendiameter, inch |
Tolerantie, mm |
| 1/8≤OD≤1-1/2 |
±0,40 |
| 1-1/2<OD≤4 |
±0,79 |
4
| +1.59/-0.79 |
|
8
| +2.38/-0.79 |
|
| OD>12 |
±1% |
Wanddikte & Tolerantie
| ASTM A450 |
Warm gewalst |
Buitendiameter, mm |
Tolerantie, % |
| OD≤101.6, WT≤2.4 |
+40/-0 |
OD≤101.6, 2.4
| +35/-0 |
|
OD≤101.6, 3.8
| +33/-0 |
|
| OD≤101.6, WT>4.6 |
+28/-0 |
OD>101,6, 2,4
| +35/-0 |
|
OD>101,6, 3,8
| +33/-0 |
|
| OD>101,6, WT>4,6 |
+28/-0 |
| Koudgetrokken |
Buitendiameter, mm |
Tolerantie, % |
| OD≤38.1 |
+20/-0 |
| OD>38.1 |
+22/-0 |
| ASTM A530 |
NPS |
Buitendiameter, inch |
Tolerantie, % |
| 1/8≤OD≤2-1/2 |
+20.0/-12.5 |
| 3≤OD≤18, WT/OD≤5% |
+22.5/-12.5 |
| 3≤OD≤18, WT/OD>5% |
+15.0/-12.5 |
| OD≥20, WT/OD≤5% |
+22.5/-12.5 |
| OD≥20, WT/OD>5% |
+15.0/-12.5 |
StandaardASTM A335 - voor naadloze buizen van ferritisch gelegeerd staal voor gebruik bij hoge temperaturen
ASTM A519 - voor naadloze mechanische buizen van koolstof en gelegeerd staal
ASTM A213 - voor naadloze ferritische en austenitische ketels van gelegeerd staal, oververhitter en warmtewisselaarbuizen





















