Super Duplex Stainless Steel Flanges

Super Duplex Stainless Steel Flanges

Super Duplex Stainless Steel Flanges

Super Duplex Flanges are pipe fitting components that are produced to fit pipes together with a raised surface of a fitting. These flanges serve as additional attachment sites at connections. They could either be tightened with nut and bolt or be welded. The Super Duplex Stainless Steel Pipe Flanges are used in many industries that use duplex and other stainless steel material made pipes. Naman Pipe & Tubes is a leading supplier of ASTM A182 Super Duplex Flange Material and pipes and fittings in this range. We manufacture and supply different types of flanges in this range to suit the different requirements of the applications.

The use cases are seen in boilers and heat exchangers, medical and pharmaceutical industries, oil and gas industries, petrochemical industries, food processing industries and in chemical industries as well. The Super Duplex Blind Flange is used close a pipeline at the end of a pipe. The Super Duplex Weld Neck Flanges come with a welded neck on them so as to assist in the fitting with welding and to provide extra strength to the connections. Connections that require high strength under high temperature and pressure use this type of flanges. We also manufacture other types such as the Super Duplex Steel Slip On Flanges. We take custom orders as well. Please contact us for more information and pricing.

Super Duplex Flanges Size Range

Size

1/2" (15 NB) to 48" (1200NB)

Class

Class 150 to 2500 LBS

DIN Pressure Rating

6Bar to 40Bar / PN6 to PN64

JIS

5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K

ASTM A182 Super Duplex Flange Material Standard Specification

Specifications ASTM A182 / ASME SA 182
Standards
ANSI/ ASA / ASME B16.5, B 16.47 Series A & B, B16.48, BS 10, BS4504, EN-1092, DIN
Standard DIN, ASME, ANSI, BS, EN, JIS
Material Grade for Pipe Flanges A182 Grade F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61

Marking

Super Duplex Flange Marking

Common Types of Super Duplex Stainless Steel Pipe Flanges

Super Duplex Flanges

Super Duplex Flanges

  • Super Duplex Blind Flange
  • Ring Type Joint Flanges (RTJF
  • Lap Joint Ring Flanges (LJRF)
Super Duplex Stainless Steel Pipe Flanges

Super Duplex Stainless Steel Pipe Flanges

  • Weld Neck Ring Flanges (WNRF)
  • Socket Weld Ring Flanges (SWRF)
  • Slip-On Ring Flanges (SORF)

Super Duplex Steel Forged Flanges Price List

Types INR/per piece
Super Duplex  3/4 X 150# BLIND FLANGE INR 3,633 / piece
Super Duplex FLANGE WNRF 2 X CL3000 SCH 40 INR 6,746 / piece
ANSI B 16.5 FLANGE WN 2IN-40S SP:3,91 600 A182 Super Duplex INR 19,174 / piece

How to check the pressure rating and hardness of Super Duplex Flanges?

The super duplex property tables provide the pressure classes and hardness of the super duplex grade flanges. The material grade, specification, size and the temperature range determine the pressure rating. The hardness is determined by the material grade, composition and the treatment applied upon it. The super duplex grads have high Brinell hardness numbers, yield strengths and tensile strengths. The pressure ratings range from class 150 to 2500 for flanges. There are also different standards and specifications within each super duplex grades for flanges. So the pressure ratings and hardness of the super duplex flanges should be checked against the specific standards.

Chemical Composition of UNS S32750 / S32760 Flanges

SS 2507 C Mn Si P S Cr Mo Ni N Fe
UNS S32750 00.030 max 1.20 max 00.80 max 00.035 max 00.020 max 24.00 - 26.00 3.00 - 5.00 6.00 - 8.00 00.24 - 0.32 58.095 min
UNS S32760 00.05 max 1.00 max 1.00 max 00.030 max 00.010 max 24.00 - 26.00 3.00 - 4.00 6.00 - 8.00 00.20 - 0.30 57.61 min

SDSS 2507 S32750 / S32760 Pipe Flanges Mechanical Properties

DSS Grade 2507 Density Melting Range
UNS S32750 / S32760 7.8 g/cm 3
0.281 lb/in 3
1350°C
2460 °F

2507 S32750 / S32760 Forged Flanges Equivalent Grades

SS 2507 ASTM/ ASME WNR/ EN
UNS S32750 ASTM A182 / ASME SA 182 1.4410
UNS S32760 ASTM A182 / ASME SA 182 1.4410