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ASTM A691 91 Classe11
ASTM A691 91 Classe11
ASTM A691 91 Classe11
ASTM A691 91 Classe11
ASTM A691 91 Classe11

ASTM A691 91 Classe11

$700≥1Ton

Tipo di pagamento:L/C,T/T,Paypal
Incoterm:FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery
Quantità di ordine minimo:1 Ton
Trasporti:Ocean,Land,Air,Express
Porta:TIANJIN,SHANGHAI,QIINGDAO
Confezionamento e consegna
Unità vendibili : Ton

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Descrizione del prodotto

A691 tubo in acciaio in carbonio e lega, saltato per la fusione elettrica per Servizio ad alta pressione ad alte temperature

 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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