ASTM A106/A106M
ASTM A106 / A106M – 11 高温サービス用シームレス炭素鋼管規格（NPS 1/8～NPS 48を含む）で、公称（平均）肉厚はANSI B36.10に記載されているもの。その他の寸法の管も、本規格のその他のすべての要件を満たしていれば供給できる。
本規格に基づいて発注された管は、曲げ、フランジ付け、および同様の成形加工、ならびに溶接に適しているものとする。鋼を溶接する場合、鋼の等級と用途またはサービスに適した溶接手順が使用されることを前提とする（注2）。
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外径(mm) |
肉厚単位(mm) |
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2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
6 |
6.5～7 |
7.5～8 |
8.5～9 |
9.5～10 |
11 |
12 |
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Φ25～Φ28 |
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Φ32 |
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Φ34～Φ36 |
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Φ38 |
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Φ40 |
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Φ42 |
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Φ45 |
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Φ48～Φ60 |
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Φ63.5 |
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Φ68～Φ73 |
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Φ76 |
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Φ80 |
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Φ83 |
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Φ89 |
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Φ95 |
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Φ102 |
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Φ108 |
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Φ114 |
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Φ121 |
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Φ127 |
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Φ133 |
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Φ140 |
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Φ146 |
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Φ152 |
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Φ159 |
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Φ168 |
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ASTM A106（シームレスおよび溶接鋼管）の公称肉厚
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NPS(インチ) |
外径(インチ) |
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ASTM A106 Grade B 配管スケジュール |
|
SCH 10 |
SCH 20 |
SCH 30 |
SCH STD |
SCH 40 |
SCH 60 |
SCH XS |
SCH 80 |
SCH 100 |
SCH 120 |
SCH 140 |
SCH 160 |
SCH XXS |
|
肉厚(インチ) |
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1/8 |
0.405 |
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0.068 |
0.068 |
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0.095 |
0.095 |
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1/4 |
0.54 |
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0.088 |
0.088 |
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0.119 |
0.119 |
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3/8 |
0.675 |
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0.091 |
0.091 |
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0.126 |
0.126 |
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1/2 |
0.84 |
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0.109 |
0.109 |
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0.147 |
0.147 |
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0.187 |
0.294 |
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3/4 |
1.05 |
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0.113 |
0.113 |
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0.154 |
0.154 |
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0.219 |
0.308 |
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1 |
1.315 |
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0.133 |
0.133 |
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0.179 |
0.179 |
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0.25 |
0.358 |
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1.25 |
1.66 |
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0.14 |
0.14 |
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0.191 |
0.191 |
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0.25 |
0.382 |
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1.5 |
1.9 |
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0.145 |
0.145 |
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0.2 |
0.2 |
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0.281 |
0.4 |
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2 |
2.375 |
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0.154 |
0.154 |
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0.218 |
0.218 |
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0.344 |
0.436 |
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2.5 |
2.875 |
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0.203 |
0.203 |
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0.276 |
0.276 |
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0.375 |
0.552 |
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3 |
3.5 |
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0.216 |
0.216 |
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0.3 |
0.3 |
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0.438 |
0.6 |
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3.5 |
4 |
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0.226 |
0.226 |
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0.318 |
0.318 |
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4 |
4.5 |
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0.237 |
0.237 |
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0.337 |
0.337 |
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0.438 |
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0.531 |
0.674 |
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5 |
5.563 |
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0.258 |
0.258 |
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0.375 |
0.375 |
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0.5 |
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0.625 |
0.75 |
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6 |
6.625 |
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0.28 |
0.28 |
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0.432 |
0.432 |
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0.562 |
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0.719 |
0.864 |
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8 |
8.625 |
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0.25 |
0.277 |
0.322 |
0.322 |
0.406 |
0.5 |
0.5 |
0.594 |
0.719 |
0.812 |
0.906 |
0.875 |
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10 |
10.75 |
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0.25 |
0.307 |
0.365 |
0.365 |
0.5 |
0.5 |
0.594 |
0.719 |
0.844 |
1 |
1.125 |
1 |
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12 |
12.75 |
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0.25 |
0.33 |
0.375 |
0.406 |
0.562 |
0.5 |
0.688 |
0.844 |
1 |
1.125 |
1.312 |
1 |
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14 |
14 |
0.25 |
0.312 |
0.375 |
0.375 |
0.438 |
0.594 |
0.5 |
0.75 |
0.938 |
1.094 |
1.25 |
1.406 |
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16 |
16 |
0.25 |
0.312 |
0.375 |
0.375 |
0.5 |
0.656 |
0.5 |
0.844 |
1.031 |
1.219 |
1.438 |
1.594 |
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18 |
18 |
0.25 |
0.312 |
0.438 |
0.375 |
0.562 |
0.75 |
0.5 |
0.938 |
1.156 |
1.375 |
1.562 |
1.781 |
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20 |
20 |
0.25 |
0.375 |
0.5 |
0.375 |
0.594 |
0.812 |
0.5 |
1.031 |
1.281 |
1.5 |
1.75 |
1.969 |
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22 |
22 |
0.25 |
0.375 |
0.5 |
0.375 |
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0.875 |
0.5 |
1.125 |
1.375 |
1.625 |
1.875 |
2.125 |
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24 |
24 |
0.25 |
0.375 |
0.562 |
0.375 |
0.688 |
0.969 |
0.5 |
1.219 |
1.531 |
1.812 |
2.062 |
2.344 |
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30 |
30 |
0.312 |
0.5 |
0.625 |
0.375 |
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0.5 |
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32 |
32 |
0.312 |
0.5 |
0.625 |
0.375 |
0.688 |
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34 |
34 |
0.312 |
0.5 |
0.625 |
0.375 |
0.688 |
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36 |
36 |
0.312 |
0.5 |
0.625 |
0.375 |
0.75 |
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42 |
42 |
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0.5 |
0.625 |
0.375 |
0.75 |
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寸法公差
|
配管の種類 |
配管サイズ |
公差 |
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冷間引き抜き |
外径 |
≤48.3mm |
±0.40mm |
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≥60.3mm |
±1％mm |
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肉厚 |
±12.5％ |
||
等級と化学組成（％ )
|
等級 |
C≦ |
Mn |
P≦ |
S≦ |
Si≧ |
Cr≦ |
Cu≦ |
Mo≦ |
Ni≦ |
V≦ |
|
A |
0.25 |
0.27～0.93 |
0.035 |
0.035 |
0.1 |
0.4 |
0.4 |
0.15 |
0.4 |
0.08 |
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B |
0.3 |
0.29～1.06 |
0.035 |
0.035 |
0.1 |
0.4 |
0.4 |
0.15 |
0.4 |
0.08 |
|
C |
0.35 |
0.29～1.06 |
0.035 |
0.035 |
0.1 |
0.4 |
0.4 |
0.15 |
0.4 |
0.08 |
機械的性質
|
等級 |
Rm Mpa 引張強度 |
降伏点(Mpa) |
伸び |
納入状態 |
|
A |
≥330 |
≥205 |
20 |
焼鈍 |
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B |
≥415 |
≥240 |
20 |
焼鈍 |
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C |
≥485 |
≥275 |
20 |
焼鈍 |
JIS番号と対応する外国規格
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|
ASTM |
BS |
DIN |
NF |
ISO |
インデックス番号 |
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Std.No |
等級 |
タイプ |
Std.No |
等級 |
タイプ |
Std.No |
等級 |
タイプ |
Std.No |
等級 |
タイプ |
Std.No |
等級 |
タイプ |
Std.No |
等級 |
タイプ |
|
|
G3456 |
STPT370 |
C |
A106 |
GrA |
C |
3602 |
HFS360 |
C |
17175 |
St35.8 |
C |
A49-211 |
TU37b |
C |
2604-02-01 00:00:00 |
TS5 |
C |
C004 |
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" |
CFS360 |
C |
17177 |
St37.8 |
C |
A49-213 |
TU37c |
C |
2604-03-01 00:00:00 |
TW9H |
C |
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" |
ERW360 |
C |
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A49-243 |
TU37c |
C |
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" |
CEW360 |
C |
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STPT410 |
C |
A106 |
GrB |
C |
3602 |
HFS410 |
C |
17175 |
St45.8 |
C |
A49-211 |
TU42b |
C |
2604-02-01 00:00:00 |
TS9H |
C |
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" |
CFS410 |
C |
17177 |
St42.8 |
C |
A49-213 |
TU42c |
C |
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" |
ERW410 |
C |
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A49-243 |
TU42c |
C |
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" |
CEEW410 |
C |
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STPT480 |
C |
A106 |
GrC |
C |
3602 |
HFS460 |
C |
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A49-211 |
TU48b |
C |
2604-02-01 00:00:00 |
TS14 |
C |
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" |
CFS460 |
C |
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A49-213 |
TU48c |
C |
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" |
ERW460 |
C |
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" |
CEEW460 |
C |
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