Super Duplex Flanges

super duplex flanges

Alloy 2507 slip on flange

Alloy 2507 slip on flange

Super duplex blind flange

Super duplex blind flange

SDDS weld neck flanges

SDDS weld neck flanges

 

 

Super duplex 2507 flange

Refer to super duplex stainless steel flanges specification

Super duplex 2507 flanges specifications

 

 

 

 

Super duplex flanges grade

 

Common types of super duplex 2507 forged flange

Super duplex socket weld flange

Super duplex socket weld flange

Alloy 2507 lap joint flange

Alloy 2507 lap joint flange

SDDS plate flanges

SDDS plate flanges

Super duplex stainless steel long neck flanges

Super duplex stainless steel long neck flanges

Super duplex SS threaded flange

Super duplex SS threaded flange

Super duplex 2507 orifice flange

Super duplex 2507 orifice flange

2507 super duplex spectacle blind flanges

2507 super duplex spectacle blind flanges

Super duplex alloy 2507 reducing flange

Super duplex alloy 2507 reducing flange

2507 DSS RTJ flanges

2507 DSS RTJ flanges

 

Alloy 2507 slip on flange and SDDS weld neck flanges are available in Class 150 to 2500 pressure rating

Super duplex flange pressure rating

Temperature In °F Working Pressure in Class 75 to 2500 In PSI
CL 75 CL 150 CL 300 CL 400 CL 600 CL 900 CL 1500 CL 2500
-20~100 145 290 750 1000 1500 2250 3750 6250
200 130 260 745 990 1490 2230 3720 6200
400 100 200 615 820 1230 1845 3070 5120
600 70 140 555 740 1115 1670 2785 4640
700 110 540 725 1085 1625 2710 4520

 

Manufacturer of super duplex blind flange in India, and view 2507 DSS socket weld flanges tensile strength ASME B16.5 standard

Super duplex blind flange tensile strength

Grade A182 F53 A182 F55
Tensile strength, min. In KSI 116 109

 

Manufacturing Origin and Standards

Europe USA Australia and UK Italy Europe
BS EN 1092-3 (Alloy) ANSI BS 10 UNI 2276/ 6091 BS EN 1092-1 (Steel)
Japan Europe France Germany China Russia
JIS ISO 7005, BS EN 1092-2 (Iron), PN NF E 29-200/ NF E 29-203 DIN GB/T 9112 / 9119 Ghost
Korea Malaysia Australia Canada Europe USA
KS MS 816, MS 253 AS 2129 CSA B16.5/ B16.47 EN ASME, ASTM, MSS SP44, AWWA, API-605

 

Mill Test Certificate are provided with super duplex SS lap joint flanges, and check super duplex 2507 forged flange temperature range

Alloy 2507 slip on flange temperature range

  • Below -50°C
  • Above +300°C

SDDS weld neck flanges hardness

Grade A182 F53 A182 F55
Hardness, (Maximum) Brinell 310 300

 

Super duplex stainless steel flanges equivalent

Standard ASTM A182 F53 ASTM A182 F55
UNS S32750 S32760
WERKSTOFF NR. 1.4410 1.4410
UNS UNS S32750 UNS S32760

 

Also check super duplex steel flanges chemical composition, hardness, and mechanical properties of 2507 super duplex hot forged flanges

Chemical composition of super duplex 2507 pipe flanges

Element ASTM A182 F53 ASTM A182 F55
Carbon (C) 0.030 maximum 0.05 maximum
Chromium (Cr) 24.00 – 26.00 24.00 – 26.00
Phosphorous (P) 0.035 maximum 0.030 maximum
Sulphur (S) 0.020 maximum 0.010 maximum
Nickel (Ni) 6.00 – 8.00 6.00 – 8.00
Nitrogen (N) 0.24 – 0.32 0.20 – 0.30
Molybdenum (Mo) 3.00 – 5.00 3.00 – 4.00
Silicon (Si) 0.80 maximum 1.00 maximum
Iron (Fe) 58.095 minimum 57.61 minimum
Manganese (Mn) 1.20 maximum 1.00 maximum

 

Super duplex steel flanges mechanical properties

Grade A182 F53 A182 F55
Density 7.8g/cm 3 0.281lb/in 3
Yield strength, minimum, MPa [KSI] 550 [80] 550 [80]
Elongation in 2 in., or 50mm, minimum, % 15 25
Melting Point 1350°C 2460°F

 

2507 weld flanges corrosion properties

Environment Test Duration Super Duplex 2507 Flanges
10% Formic- boiling 3-48 HR 0.07 mpy
50% Acetic – boiling 3-48 HR 0.0 mpy
10% H2S04 – 80°C 3-48 HR 0.15 mpy