ASTM A522 TYPE 1 FLANGES
Heat Treatment:
Can be treated by either of the following methods as agreed upon between purchaser & manufacturer
1. Quenched and Tempered or
2. Double Normalised and Tempered
ASTM A522 type 1 flange is used for low pressure services.
ASTM A522 Type 1 Equivalent:
JIS G3127 SL9N520 / EN10222-3X8Ni9
Type of Flanges :
Type of Flanges :
- WN (Welding Neck)
- SO (slip on)
- PL (Plate)
- BL (Blind)
- Th (Threaded)
- SW (socket welding)
- LF/SE (lapped flange/stub end)
- LWN (long welding neck)
- Orifice flange
- Reducing flange, etc
Nominal Chemical Requirement.
Grade
|
C
|
Mn
|
P
|
S
|
Si
|
Cr
|
Ni
|
Mo
|
N
|
Cb
|
TYPE 1
|
-
|
-
|
-
|
0.15
| 8.50 | |||||
| 0.13 | 0.90 | 0.025 | 0.025 | 0.30 |
-
|
9.50
|
-
|
-
|
-
|
Mechanical Requirement.
Grade
|
Condition
|
Tensile Strength min (MPa)
|
Yield Strength min (MPa)
|
Elongation
(L = 4d%)
|
Reduction of Area %
min
|
Brinell Hardness max
|
TYPE 1
|
-
|
690
|
515
|
22
|
45
| |
-
| ||||||
Heat Treatment:
Can be treated by either of the following methods as agreed upon between purchaser & manufacturer
1. Quenched and Tempered or
2. Double Normalised and Tempered



Dear,
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Welding Neck Flange ASTM A 522 TYPE: 1 - API 6A - CLASS: 10000PSI SURFACE FINISH ISO 4287 - NACE MR0175 ISO15156
ND 2 SCH XXS FJA = 38 PC
ND 1"SCH 160 FJA = 26 PC
BLIND Flange ASTM A 522 TYPE: 1 - API 6A - CLASS: 10000PSI SURFACE FINISH ISO 4287 - NACE MR0175 ISO15156
ND 1"Sch 160 FJA = 06 PC
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