ASTM A182 GR. F51 Flange, ASTM A182 GR. F51 weld neck Flange,SA182 F51 Flange, Blind Flange,Slip on Flange,A182 F51 Bridas duplex stainless steel

We are a  professional manufacturer of ASTM A182 F51 flange in China.duplex stainless stainless steel A182  Duplex F51/F53/F44/F55/F60

Standards : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

A183 F51 flange

ASTM A182 F51 Flange,UNS S31803 Flange

ASTM A182 GR. F51  Blind Flange, ASTM A182 GR. F51 Flange,SA182 F51 Flange, A182 F51 Bridas duplex stainless steel

China ASTM A182 F51 Blind Flange ,ASME /ANSI B16.5, B16.47 BLIND FLANGES SPECIFICATION

Technical Data Sheet of A182 F51 Bridas S31803 ,ASTM A182 F51 Flange,

ASTM A182 F51 Flange Chemical Composition Limits

Weight% C Mn P S Si Cr Ni Mo N
Duplex A182 F51 Flange 0.03 max 2.0 max 0.03 max 0.02 max 1 max 21-23 4.5-6.5 2.5-3.5 0.80-0.20

ASTM A182 F51 Flange Duplex Stainless Steel combines improved resistance to stress corrosion cracking, pitting, crevice corrosion and high strength. Due to it’s chemical composition A182 F51 duplex stainless steel resists chloride environments and sulphide stress corrosion.

ASTM A182 F51 Flange Mechanical Properties

GRADE ASTM A182 F51
Tensile strength 620 min
Yield strength 450 min
Elongation% 25 min
Reduction of area% 45 min

ASTM A182  F51 Heat Treatment Requirement

Anneal – Heat to 1020 – 1120oC ensuring sufficient time is allowed for the centre to achieve furnace temperature and hold for a time commensurate with the ruling section, followed by water quenching

ASTM A182  F51 Flange hardness Requirement

ASTM A182  F51 flange should be with maxinum  290HB Brinell hardness

Our production scope:

ASTM/ASME/ANSIB16.5, B16.47, ASME/ANSIB16.48 flange
slip on flange, Weld Neck Flange Threaded Flange Blind Flange

Dimensions : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges etc.

Standards : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Class : 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.

Size : 1/8″ NB TO 48″NB.

Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673

ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48

BS : BS4504 , BS4504, BS1560, BS10

Test Certificates: Manufacturer Test Certificate as per EN 10204 / 3.1

DIMENSIONAL TOLERANCES OF BLIND FLANGES ASME/ANSI B16.5

Outside Diameter
≤ 24 = 1.6 mm | > 24 = ± 3.2 mm
Inside Diameter
not applicable
Diameter of Contact Face
1.6 mm Raised Face = ± 0.8 mm
6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm
Outside Diameter of Hub
≤ 12 = + 2.4 mm / – 1.6 mm | ≥ 14 = ± 3.2 mm
Diameter of Counterbore
not applicable
Drilling
Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mm
Eccentricity of Bolt Circle with Respect to Facing
≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max.
Thickness
≤ 18 = + 3.2 mm / – 0 | ≥ 20 = + 4.8 mm / – 0
Length thru Hub
≤ 18 = + 3.2 mm / – 0.8 mm | ≥ 20 = + 4.8 mm / – 1.6 mm
How to order our ASTM A182 F51 Flanges?

ASTM A182 F51 Blind Flanges,Raise Face,12IN FLANGE BLRF SCH-40S ASME B16.5 900# 

ASTM A182 F51 FLANGE Blind SCH-40S ASME B16.5 3/4 IN 900# RTJ