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ASTM A691 91 Class41 ống
ASTM A691 91 Class41 ống
ASTM A691 91 Class41 ống
ASTM A691 91 Class41 ống
ASTM A691 91 Class41 ống
ASTM A691 91 Class41 ống
ASTM A691 91 Class41 ống

ASTM A691 91 Class41 ống

$700≥1Ton

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Mô tả sản phẩm

A691 carbon và đường ống thép hợp kim, kết hợp điện Dịch vụ áp suất cao ở nhiệt độ cao

 Plate Materials
Pipe Grade Type of Steel ASTM Specification HB, max A
Number  Grade
CM-65  carbon-molybdenum steel  A204/A204M A  201
CM-70 carbon-molybdenum steel A204/A204M  B 201
CM-75 carbon-molybdenum steel A204/A204M  C 201
CMSH-70 carbon-manganese-silicon steel, normalized A537/A537M  1  
CMS-75  carbon-manganese-silicon steel A299/A299M  . . .  . . .
CMSH-80  carbon-manganese-silicon steel, quenched and tempered  A537/A537M 2  
1 ⁄ 2 CR 1  2 % chromium, 1  2 % molybdenum steel A387/A387M  2 201
1CR 1 % chromium,1  2 % molybdenum steel A387/A387M  12 201
1 1 ⁄ 4 CR  1 1 ⁄ 4 % chromium,1 ⁄ 2 % molybdenum steel A387/A387M  11 201
2 1 ⁄ 4 CR  2 1 ⁄ 4 % chromium, 1 % molybdenum steel A387/A387M 22 201
3CR 3 % chromium, 1 % molybdenum steel  A387/A387M 21 201
5CR  5 % chromium,1 ⁄ 2 % molybdenum steel A387/A387M  5 225
9CR  9 % chromium, 1 % molybdenum steel  A387/A387M  9 241
91 9 % chromium, 1 % molybdenum, vanadium, niobium C  A387/A387M 91 B 241
Class designations are as follows
Class  Heat Treatment on Pipe Radiography,
see Section
Pressure Test,
see Section
10 none  none  none
11 none 9 none
12 none  9 8.3
13 none  none 8.3
20 stress relieved, see 5.3.1  none none
21 stress relieved, see 5.3.1 9 none
22 stress relieved, see 5.3.1 9 8.3
23 stress relieved, see 5.3.1 none  8.3
30 normalized, see 5.3.2  none none
31 normalized, see 5.3.2 9 none
32 normalized, see 5.3.2  9 8.3
33 normalized, see 5.3.2  none 8.3
40 normalized and tempered, see 5.3.3 none  none
41 normalized and tempered, see 5.3.3 9 none
42 normalized and tempered, see 5.3.3  9 8.3
43 normalized and tempered, see 5.3.3  none  8.3
50 quenched and tempered, see 5.3.4  none none
51 quenched and tempered, see 5.3.4  9 none
52 quenched and tempered, see 5.3.4 9 8.3
53 quenched and tempered, see 5.3.4 none 8.3
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