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China ASTM B729 N08020/2.4660/Alloy20 Hastelloy Steel Semaless Pipe 100%ET UT HT for sale
China ASTM B729 N08020/2.4660/Alloy20 Hastelloy Steel Semaless Pipe 100%ET UT HT for sale
China ASTM B729 N08020/2.4660/Alloy20 Hastelloy Steel Semaless Pipe 100%ET UT HT for sale
China ASTM B729 N08020/2.4660/Alloy20 Hastelloy Steel Semaless Pipe 100%ET UT HT for sale
China ASTM B729 N08020/2.4660/Alloy20 Hastelloy Steel Semaless Pipe 100%ET UT HT for sale

ASTM B729 N08020/2.4660/Alloy20 Hastelloy Steel Semaless Pipe 100%ET UT HT

Price Negotiable
Price: NEGOTIABLE
MOQ: 100KGS
Delivery Time: Depends on quantity
Brand: YUHONG
Product Description

Hastelloy Pipe ASTM B729 ALLOY20 ( NO8020 / 2.4660 ) 2" SCH40S 6M 100% ET / HT/ UT

 

 

Alloy 20 Pipe ASTM B729 N08020 DIN 17751 2.4660 is a high-corrosion resistant alloy, which shows very good resistance to phosphoric acid, nitric acid, sulfuric acid in chloric media. DIN 17751 2.4660 Alloy 20 is chiefly used in the chemical industry, apparatus engineering and heat exchanger.

 

Alloy 20 was designed specifically to withstand sulfuric acid. Its nickel, chromium, molybdenum and copper levels all provide excellent general corrosion resistance. Restricted carbon plus columbium stabilization permits welded fabrications to be used in corrosive environments, normally without post-weld heat treatment. At 33% nickel, Alloy 20 has practical immunity to chloride stress corrosion cracking. This alloy is often chosen to solve SCC problems, which may occur with 316L stainless.

Chemistry

ASME SB 729 N08020 Alloy 20 Pipe Chemical Composition

Alloy
%
C
Mn
P
S
Si
Ni
Cr
Mo
Cu
Nb+Ta
Fe
ASME SB 729 N08020
min.
–
–
–
–
–
32.00
19.00
2.00
3.00
8×C
Rest
max.
0.07
2.00
0.045
0.035
1.00
38.00
21.00
3.00
4.00
1.00
 

DIN 17744 2.4660 Alloy 20 Tube Chemical Composition

Alloy
%
Ni
C
Co
Cr
Cu
Fe
Mn
Mo
Nb+Ta
P
S
Si
DIN 17751 2.4660
min.
32.0
–
–
19.0
3.0
Rest
–
2.0
8×C
–
–
–
max.
38.0
0.07
1.5
21.0
4.0
–
2.0
3.0
1.00
0.025
0.015
1.00

ASME SB 729 N08020 Alloy 20 Pipe Mechanical Properties

Alloy
Tensile strength
Rm N/mm²
ksi (MPa)
min
Yield strength
Rp0. 2N/mm²
ksi (MPa)
min
Elongation in 2in. (50.8mm)
or 4D min, %
ASME SB 729 N08020
80 (550)
35 (240)
30.0
 

Specifications

ASME SA 240, ASME SB 366, ASME SB 463
ASTM A 240, ASTM B 366
ASTM B 463
ASTM B 473
EN 2.4660
UNS N08020
Werkstoff 2.4660

 

Inventory

Alloy 20 Coil, Alloy 20 Plate, Alloy 20 Sheet, Alloy 20 Weld Wire, Alloy20 Pipe , Alloy20 Tube , Alloy 20 Flange , Alloy20 Fitting

Features

  • Excellent resistance to hot sulfuric acid
  • Resistant to intergranular corrosion in the as-welded condition
  • Chloride stress corrosion cracking resistance

Applications

  • Sulfuric acid pickling tanks, racks and heating coils
  • Phosphate coating drums and racks
  • Heat exchangers
  • Bubble caps
  • Process piping
  • Mixing tanks
  • Chemical and petroleum process equipment

 

 
 

 

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Company Yuhong Group Co.,Ltd
Location 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
Contact Person Jikin Cai

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