ALLOY 20 Screws, Hex Cap Screws, Set Screws, Countersunk/Socket Head Cap Screws, Full Thread, DIN 933/912/7991, ISO 4017/4762, ASME B18.3/B18.2.1/B188.8.131.52M/B18.5, Inch, Metric Threads
Alloy 20 Screws are austenitic stainless steel screw manufactured from alloy containing chromium, nickel, molybdenum and nitrogen with restricted carbon content. Stainless Steel ALLOY 20 Set Screw have a combination of impact toughness resistance to chloride stress corrosion cracking, and pitting and crevice corrosion. TorqBolt is an eminent Alloy 20 screw supplier in India.
ASTM B473 Alloy 20
ASME SB473 Alloy 20
DIN 17752 / 17754
– Finish: Pickling and Passivation
– Marking: TorqBolt N08020
– Type: Cold Forged, Hot Forged, Bar Stock Machined
|Dimensions||DIN 933/912/7991, ISO 4017/4762, ASME B18.3/B18.2.1/B184.108.40.206M/B18.5|
|Threads||Unless otherwise specified, the threads shall be rolled or cut at the option of TorqBolt|
|Threads Configuration||ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads|
|Product Origin||Made in India|
|Certification||Dual Certified As per ASTM & ASME Codes|
|Additional Certifications||PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified|
|Additional Requirements||NACE MR0103/MR0175/ISO 15156 Compliance|
|Mandatory Requirements||Free from Mercury & Radioactive Contamination|
ALLOY 20 Screws Specification
Alloy 20 is a nickel chromium alloy with maximum resistance to sulphuric acid. Alloy 20 has good resistance to corrosion , pitting’s and crevice cracking. Addition of Niobium Stabilizes sensitive Intergranular corrosion. This alloy is provided in both solution annealed and stress relieved condition.
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TorqBolt is a well known stockist of Pitch Dia Alloy 20 Round Bars from ¼ Inch to 4 inch & 6mm to 100mm in 1 meter, 3 meter & 6 Meter lengths. All Threaded Bars are Magnetic Particle Examined in accordance with ASTM E 709 with Indications & Cracks within 3% of The Diameter.
Carpenter Alloy 20CB-3 is a registered trademark of Carpenter Technologies.
Raw Material Specifications: ASTM A276, A182, A240, A493, B98, B564, B637, B473, and A582 are noted for information only by American Society of Mechanical Engineers and American Society of testing and materials as suitable sources of material for the manufacture of bolts, hex cap screws, studs and washers, springs, forgings and flanges to the respective specification.