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ASTM A182 UNS S31803 Duplex Steel Thread Flanges Manufacturer

ASTM A182 UNS S31803 Duplex Steel Thread Flanges Manufacturer
ASTM A182 UNS S31803 Duplex Steel thread Flanges manufacturer
Product Details:

ASTM A182 UNS S31803 Duplex Steel thread Flanges manufacturer

The type of  Fittings

thread Flange

Materials Standard

SA182/A182M

Production Standard

ASME B16.5,Nace MR0175,ANSI B16.5,EN1092-1,JIS B2220,HG20592,HG20615

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

Sealing Face

RF, FF,RTJ,TG,MFF,LF,LM,TF,GF,

Surface Finishing

Pickling,Blasting

Original

China

Technics

Forging

Material

2205/S31803/UNS2205

Diameter

1/2”-4”

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

 Delivery  Port

Any Port in China

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

Grade

Cr

N

Mo

Ni

V

S31803/F51

21.0-23.0

0.15-0.35

2.5-3.5

4.5-6.5

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MECHANICAL PROPERTIES:

Grade

Ultimate Tensile Strength ,psi Minimum

Yield Strength,ksi Minimum

Elongation Percent %

Reduction of Area %

S31803/F51

≥620

≥450

≥25

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