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factory alloy steel 20 28 alloy steel N08020 hex head bolt 1.4563 bolts

We manufacture high quality alloy 20 bolts to ASTM/ASME/DIN standards and specifications. Alloy 20, also known as “Carpenter 20” and “20CB-3”, is a nickel-chromium-molybdenum stainless steel alloy designed for sulfuric acid applications. Its corrosion resistance also lends itself to many other uses in the chemical, food, pharmaceutical and plastics industries. One of the main reasons that alloy 20 fasteners are so common is that they resist pitting and chloride ion corrosion, and their copper content protects it from sulfuric acid.

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Type “Stud Bolt
Hex Bolt £¨full thread£¬partial thread)
Thread Rod
U-Bolt U
Hex Socket Cap Screw
Hex Nut
Flat Washer
Spring Washer ”
Size DIN£ºStud Bolt £ºM6~M100 £¬Hex Bolt £ºM6~M64
ASME£ºStud Bolt£º1/4″~5″£¬ Hex Bolt £º1/2″~2 1/2″
Finish Cold galvanizing ,Hot-dip Galvanizing ,PTFE ,Zinc Nickel ,Black coating ,Plain
Producing Standard ASME £ºASME B18.2.1
ASME B18.2.2
ASME B18.22.1 Plain Washer
DIN£ºDIN931 Hex Bolt with partial thread
DIN 933 Hex Bolt with full thread
DIN 912 Hex Socket Cap Screw
DIN 934 Hex Nut
DIN 125 Plain Washer
DIN127 Spring Washer
DIN 975 Threaded Rods
DIN 976 Stud Bolts
DN 3570 U-Bolt
Material Grade Nickel Alloy Steel :UNS N02200/Ni 200, UNS N02201 /Ni201,
UNS N04400/ Monel 400,Monel K500 ,
UNS N06600/Inconel 600 ,UNS N06601/ Inconel 601 ,Inconel 625 ,
UNS N08800 /Incoloy 800 ,UNS N08810 /Incoloy 800HT ,UNS N08811 /Incoloy 800HT, UNS N08825/ Incoloy 825
UNS N06002 /Hastelloy X, UNS N06022/ Hastelloy C22, UNS N06200/C2000, ,UNS N10276/ Hastelloy C276, UNS N10665 /Hastelloy B2, UNS N10675/Hastelloy B3 ,
UNS N08020 /Alloy 20, UNS N08031/Alloy 37

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