Shanghai Hite Special Alloy Co., Ltd. QUALITY AND SERVICE ARE THE THINGS MAKE US PROUD OF WHAT WE DO |
Beijing Time, China |
Brief introduction:
Alloy 20 is a Ni-Fe-Cr alloy with additions of Cu and Mo, and it also contains Nb for stabilization against sensitization and resultant intergranular corrosion.
It has excellent resistance to general corrosion, pitting and crevice corrosion in chemicals containing chlorides and sulfuric,phosphoric and nitric acids.
It is used for heat exchangers, tanks, piping, pumps, valves and other process equipment.
Main specifications:
USA | Chinese | UNS | Werkstoff Nr. |
Alloy 20 | NS143 | N08020 | 2.4660 |
Chemical composition under ASTM B473-07 standard:
Grade | chemical composition,% | ||||||||||
Ni | Cr | Fe | Mo | Nb+Ta | Mn | C | Cu | Si | S | P | |
UNS N08020 | 32.0-38.0 | 19.0-21.0 | Remainder | 2.0-3.0 | 8*C-1.0 | ≤2.0 | ≤0.07 | 3.0-4.0 | ≤1.0 | ≤0.035 | ≤0.045 |
Main product types:
wire,rod,forging, bar,strip,sheet/plate,tube/pipe.
Main produce standards:
Wire,Rod, Bar | Forging | Plate/Sheet/Strip | Tube/Pipe | Fitting |
ASTM B472 ASTM B473 ASME SB472 ASME SB473 | ASTM B462 ASME SB462 | ASTM B463 ASME SB463 | ASTM B464/B464M ASTM B468 ASTM B729 | ASTM B366/B366M-16 |
Alloy 20 document: | |
alloy20.pdf |