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Hastelloy Flanges

Duplex flanges specifications

Top Grade Quality of Alloy C276 Blind Flanges Manufacturer in Mumbai, India

Hastelloy Flanges Specification



Alloy C276 Pipe Flanges Delivery Time Table


Country Name UK Greece Poland Ukraine Spain
Delivery Time 4 weeks

Supplier of ASTM B564 Hastelloy Weld Neck Flanges in Stock, Mirror, Serrated and Smooth Finish at Competitive Price

ASTM B564 Hastelloy Forged Flange Price Table


Size USD INR AED
1INCH,150# Hastelloy C276 Flanges $32.84 2742.74 120.51
# 150 B16.5 RF 1/16 CONCENTRIC FINISH UNS N10276 Blind Flanges $181.11 15125.53 666.12
3/4 X 150# X 1/2 NPT HOLE C276 Hastelloy Blind Flanges $147.93 12354.99 542.74
3/4 # 150 B16.5 RF 1/16 CONCENTRIC FINISH ASTM B564 UNS N10276 Blind Flange $108.85 9084.86 399.32
Hastelloy C-276 WNRF Flanges $297.91 24865.80 1091.80
OD 16MM ASME SB 564 Hastelloy Forged Flanges $348.52 29084.01 1270.45
4",150# Hastelloy 2.4819 Socket Weld Flanges $236.78 19765.06 867.85

Hastelloy Alloy Flange Types


Hastelloy blind flange

Hastelloy blind flange

ASTM B564 hastelloy weld neck flanges

ASTM B564 hastelloy weld neck flange

Nickel alloy C276 socket weld flange

Nickel alloy C276 socket weld flange

2.4819 hastelloy C276 threaded flange

2.4819 hastelloy C276 threaded flange

Hastelloy alloy C276 slip on flange

Hastelloy alloy C276 slip on flange

DIN 2.4819 reducing flange

DIN 2.4819 reducing flange

Alloy c276 lap joint flange

Alloy c276 lap joint flange

C276 plate flanges

C276 plate flanges

Get ASTM B564 UNS N10276 Slip On Flanges in Size Ranging From 1/2" (15 NB) to 48", View Size Chart Below

C276 Hastelloy Weld Neck Flange Dimension Chart


Alloy C276 hastelloy weld neck flange dimension
CLass Thk B Diameter D Diameter K Diameter G H Diameter A Diameter L NO. L
600 20.7 95 66.7 35.1 58.4 38 15.9 4
300 14.3 95 66.7 35.1 52.6 38 15.9 4
2500 36.6 135 88.9 35.1 79.4 43 22.2 4
900 28.7 120 82.6 35.1 66.4 38 22.2 4
150 11.2 90 60.3 35.1 47.6 30 15.9 4
1500 28.7 120 82.6 35.1 66.4 38 22.2 4

Refer Hastelloy C276 Pipe Flanges Chemical Composition and Other Properties Before Buying It

SB 564 UNS N10276 Threaded Flange Chemical Composition



Nickel C276 Reducing Flange Mechanical Properties


Element Yield Strength (0.2%Offset) Tensile Strength Melting Point Elongation Density
Hastelloy C276 Flanges Psi – 52,000 , MPa – 355 Psi – 1,15,000 , MPa – 790 1370 °C (2500 °F) 40 % 8.89 g/cm3

Hastelloy Alloy Pipe Flange Equivalent properties


Standard WNR. AFNOR UNS JIS EN
Russia France North America Japan Europe
Hastelloy C276 Flanges 2.4819 - N10276 NW 0276 NiMo16Cr15W

Check ASME SB 564 N10276 Forged Flanges Tolerance, Pressure Ratings and Weight Chart

C276 Blind Flanges Weight Chart


C276 weld flanges class 150 (weight kg)
NPS Blind  Socket Weld  Weld Neck  Slip On 
1 2 2 3 2
1½  4 3 4 3
3 3 3 3
2 5 5 6 5
3 9 9 11.5 9
2½  7 8 10 8
3½  13 11 12 11
5 20 15 21 15
¾ 2 2 2 2
4 17 13 16.5 13
6 27 19 26 19
12 123 64 88 64
8 47 30 42 30
½  2 2 2 1
10 70 43 54 43
14 140 90 114 90
16 180 98 140 106
18 220 130 165 130
20 285 165 197 165
24 430 220 268 220
22 355 185 225 185

DIN 2.4819 Socket Weld Flange Tolerances


Hastelloy Flanges Tolerance Table
A O.D
  • O.D. is over 24": ±1/8" (3.2 mm)
  • O.D. is 24" or less: ±1/16" (1.6 mm)
  Eccentricity of bolt circle with respect to facing
  • 3" & larger ±1/16" (1.6 mm) max
  • 2 1/2" & smaller ±1/32" (0.8 mm) max
D I.D
  • 12" thru 18": +1/8" (3.2 mm)
  • 10" & smaller: ±1/32" (0.8 mm)
  • 20" & larger: -1/16" (1.6 mm)
B Diameter of contact face
  • 1/16" raised face: ±1/32" (0.8 mm)
  • 1/4" RF, T/G, (m/f): ±1/64" (0.4 mm)
H Diameter of hub at point of welding
  • 6" & larger: +5/32" (4.0 mm), -1/32 (0.8 mm)
  • 5" & smaller: +3/32" (2.4 mm), -1/32" (0.8 mm)
P Drilling
  • Bolts hole spacing: ±1/32" (0.8 mm)
  • Circle Bolts: ±1/16" (1.6 mm)
C Thickness
  • 20" & larger: ±3/16" (4.8 mm), -0"
  • 18" & smaller: ±1/8" (3.2 mm), -0"
J Diameter of hub at base
  • hub base is over 24": ±1/8" (3.2 mm)
  • hub base is 24" or smaller: ±1/16" (1.6 mm)
K Length of hub
  • 12" & larger: ±1/8" (3.2 mm)
  • 10" & smaller: ±1/16" (1.6 mm)

Alloy c276 Weld Neck Flange Pressure Ratings


Temp. °C 600 425 500 475 538 550 450 575 400 625
Class 150 - 5.5 2.8 3.7 1.4 - 4.6 - 6.5 -
Class 300 6.6 35.2 28.2 31.7 16.5 13.9 33.7 9.4 36.5 5.1
Class 400 8.9 46.5 37.6 42.3 22.1 18.6 45.1 12.6 48.9 6.8
Class 600 13.3 70.0 56.5 63.4 33.1 27.9 67.7 18.9 73.3 10.3
Class 900 19.9 105.1 84.7 95.1 49.6 41.8 101.4 28.3 109.8 15.4
Class 1500 33.2 175.1 140.9 158.2 82.7 69.7 169.0 47.2 183.1 25.7
Class 2500 55.3 291.6 235.0 263.9 137.9 116.2 281.8 78.6 304.9 42.8
Temp. °C 350 50 200 150 250 300 100 325 -29 to 38 375
Class 150 8.4 19.5 13.8 15.8 12.1 10.2 17.7 9.3 20.0 7.4
Class 300 40.3 51.7 48.6 50.3 46.3 42.9 51.5 41.4 51.7 38.9
Class 400 53.6 68.9 64.8 66.8 61.7 57.0 68.7 55.0 68.9 51.6
Class 600 80.4 103.4 97.2 100.3 92.7 85.7 103.0 82.6 103.4 77.6
Class 900 120.7 155.1 145.8 150.6 139.0 128.6 154.6 124.0 155.1 116.5
Class 1500 201.1 258.6 243.4 250.8 231.8 214.4 257.6 206.6 258.6 194.1
Class 2500 335.3 430.9 405.4 418.2 386.2 357.1 429.4 344.3 430.9 323.2

ASME SB564 Hastelloy Slip On Flanges Applications


  • Heat Exchangers
  • Pulp and Paper Industry
  • Specialty Chemicals
  • Gas Processing
  • Pharmaceutical Equipment
  • Sea Water Equipment
  • Petrochemicals
  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Condensers
  • Pharmaceuticals
  • Chemical Equipment