ASTM A333低溫管
低溫鋼管規格
- SA333和A333–1、3、6和8級
- A671 CC65 CL22 EFW(焊接替代A333)
- 法蘭:A/SA 350 LF2,LF3
- 配件:A/SA-420 WPL6,WPL3
尺寸範圍
- 1/4“標稱至24”外徑。
- 附表:STD、40、XH、60、80、100、120、140、160、XXH
- 計劃外厚壁管的厚度可達4英寸。
衝擊溫度條件:
Crade |
The lowest temperature for strike test |
|
℉ |
℃ |
|
-50 |
-45 |
|
-50 |
-45 |
ASTM A333合金管的機械要求:
Grade |
Tensile Strength (MPa) |
Yield Point (MPa) |
Elongation (%) |
|
Y |
X |
|||
Grade 1 |
≥380 |
≥205 |
≥35 |
≥25 |
Grade 3 |
≥450 |
≥240 |
≥30 |
≥20 |
Grade 4 |
≥415 |
≥240 |
≥30 |
≥16.5 |
Grade 6 |
≥415 |
≥240 |
≥30 |
≥16.5 |
Grade 7 |
≥450 |
≥240 |
≥30 |
≥22 |
Grade 8 |
≥690 |
≥515 |
≥22 |
|
Grade 9 |
≥435 |
≥315 |
≥28 |
|
Grade 10 |
≥550 |
≥450 |
≥22 |
|
Grade 11 |
≥450 |
≥240 |
≥18 |
ASTM A333鋼管化學成分(%):
Grade |
Chemical Composition (%) |
||||||||||
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
V |
Al |
|
Grade 1 |
≤0.30 |
0.40-1.06 |
≤0.025 |
≤0.025 |
|||||||
Grade 3 |
≤0.19 |
0.18-0.37 |
0.31-0.64 |
≤0.025 |
≤0.025 |
3.18-3.82 |
|||||
Grade 4 |
≤0.12 |
0.18-0.37 |
0.50-1.05 |
≤0.025 |
≤0.025 |
0.44-1.01 |
0.47-0.98 |
0.40-0.75 |
0.04-0.30 |
||
Grade 6 |
≤0.30 |
≥0.10 |
0.29-1.06 |
≤0.025 |
≤0.025 |
||||||
Grade 7 |
≤0.19 |
0.13-0.32 |
≤0.90 |
≤0.025 |
≤0.025 |
2.03-2.57 |
|||||
Grade 8 |
≤0.13 |
0.13-0.32 |
≤0.90 |
≤0.025 |
≤0.025 |
8.40-9.60 |
|||||
Grade 9 |
≤0.20 |
0.40-1.06 |
≤0.025 |
≤0.025 |
1.60-2.24 |
0.75-1.25 |
|||||
Grade 10 |
≤0.20 |
0.10-0.35 |
1.15-1.50 |
≤0.03 |
≤0.015 |
≤0.15 |
≤0.25 |
≤0.015 |
≤0.50 |
≤0.12 |
≤0.06 |
Grade 11 |
≤0.10 |
≤0.35 |
≤0.6 |
≤0.025 |
≤0.025 |
≤0.50 |
35.0-37.0 |
≤0.50 |
熱處理:
1級和6級應進行熱處理,以控製其微觀結構。
ASTM A333 6級和ASME SA 333 6級經過熱處理,在920攝氏度下達到正火狀態,並控製微觀結構。
低溫管材黄色APP91免费91免费视频网站規範範圍
No. |
Order No. |
Size description |
||
O.D. /mm |
W.T. /mm |
Legnth /m |
||
1 |
A333 Gr.6 A333 Gr.6/X42NS |
10-127 |
1-20 |
6-12.0 |
42-114.3 |
3.5-6 |
6-12.2 |
||
42-114.3 |
6-12 |
6-12.2 |
||
114.3-180 |
3.8-8 |
6-12.2 |
||
114.3-180 |
8-22 |
6-12.2 |
||
68-180 |
10-14 |
6-12.2 |
||
69-254 |
14-55 |
6-12.2 |
||
140-340 |
6-8 |
6-12.2 |
||
140-368 |
8-42 |
6-12.2 |
||
318-720 |
14-50 |
4-12.5 |
||
2 |
A333 Gr.6/X52QS |
42-114.3 |
3.5-12 |
6-12.2 |
114.3-180 |
3.8-22 |
6-12.2 |
||
68-254 |
10-40 |
6-12.2 |
||
140-368 |
6-40 |
6-12.2 |
||
318-720 |
14-40 |
4-12.5 |
||
140-368 |
6-25 |
6-12.2 |
||
318-720 |
14-25 |
4-12.5 |
||
3 |
16MnDG |
10-127 |
1-20 |
6-12.0 |
42-114.3 |
3.5-12 |
6-12.2 |
||
114.3-180 |
3.8-22 |
6-12.2 |
||
68-254 |
10-55 |
6-12.2 |
||
140-368 |
6-42 |
6-12.2 |
||
318-720 |
14-120 |
4-12.5 |
特定衝擊要求
低溫給水管所用的原材料是高錳比(大於1%)與低碳比(小於0.23%)的鋁鎮靜。對於需要認證為LTCS的低溫管道,應根據ASTM A 333第8節的強製性要求,在低溫下進行附加衝擊試驗。
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