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DIN2631 ASTM A182 S31803/2205/2207 Duplex Steel Weld Neck flange

DIN2631 ASTM A182 S31803/2205/2207 Duplex Steel Weld Neck flange
DIN2631 ASTM A182 S31803/2205/2207 Duplex Steel weld neck flange
Product Details:

DIN2631 ASTM A182 S31803/2205/2207 Duplex Steel weld neck flange

The type of  Fittings

weld neck flange

Materials Standard

SA182/A182M

Production Standard

DIN2631

Pressure Class

75LB, 125LB, 150LB, 300LB, 400LB, 600LB, 900LB, 1500LB, 2500LB; 5K, 10K, 16K, 20K, 30K
PN2.5, PN6, PN10, PN16, PN25, PN40, PN64, PN80, PN100, PN250, PN320, PN400

Heat Treatment

Solution

Surface Finishing

Pickling,Blasting

Original

China

Technics

Forging

Material

S31803/2205/2207

Wall Thickness

SCH10S-SCHXXS

Diameter

1/2”-72”

Certification

3.1 Mill Certification

Packing Detail

Plywood Cases,Plywood Pallet,others

Payment

30%T/T in advance,70% before shipment

Delivery time

According to the quantity of order

Application

Chemical processing, transport and storage, Oil and Gas exploration and processing equipment, Marine and other high chloride environments, Pulp and paper digesters, liquor tanks and paper machines.


CHEMICAL PROPERTIES:

Grade

C

Mn

P

S

Si

S31803/F51

≤0.030

≤2.00

≤0.030

≤0.02

≤1.00

S32750/F53

≤0.030

≤1.20

≤0.035

≤0.02

≤0.80

Grade

Cr

N

Mo

Ni

V

S31803/F51

21.0-23.0

0.08-0.20

2.5-3.5

4.5-6.5

/

S32750/F53

24.0-26.0

0.24-0.32

3.0-5.0

6.0-8.0

≤0.5


MECHANICAL PROPERTIES:

Grade

Ultimate Tensile Strength ,psi Minimum

Yield Strength,ksi Minimum

Elongation Percent %

Reduction of Area %

S31803/F51

≥620

≥450

≥25

≥45

S32750/F53

≥800

≥550

≥15

/

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