Manufacturers, of PIPE SUPPORTS/HANGERS, SPRINGS, STRUCTURAL PRODUCTS, ALLIED FABRICATION AS PER CLIENT DESIGN, FASTNERS, FITTINGS AND FORGING PRODUCTS, under the professional guidance and technical support of a team of young qualified and trained engineers.

Specification We Follow


ASME / ASME
ASTM/ASME A/SA-193 Alloy st eel and stainless steel bolting materials s for high pressure/ temperature services
ASTM/ASME A/SA-194 Car bon and alloy st eel nuts for bolts for high pressure/ temperature Services
ASTM/ASME A/SA-325 Structural bolt, st eel heat treated ,120/ 105 ksi minimum tensile strength
ASTM/ASME A/SA-307 Car bon st eel bolt and studs
ASTM/ASME A/SA-962 Common requirement for steel fasteners for use at any temperature from cryogenic to the creep range
ASTM/ASME A/SA-563 Carbon and alloy steel nut
ASTM/ASME A/SA-479 Stainless steel bars and shapes for use in boilers and others pressure vessels
ASTM/ASME A/SA-449 Quenched and tempered steel bolts and studs
ASTM/ASME A/SA-354 Specification for quenched and tempered alloy steel bolts, studs, and other externally, threaded fasteners
ASTM/ASME A/SA-490 Quenched and tempered, alloy steel, heavy hex structural bolts from 1/2" to 1-1/2" diameter with a minimum 150 ksi tensile.
ASME/ANSI B.18.2.1 Square, hex, heavy hex, and askew head bolts and hex, heavy hex, hex flange, lobed head, and lag screws (inch series)
ASME/ANSI B 18.2.1M Heavy hex bolts. Metric series
ASME/ANSI B18.2.4.1M Metric hex nuts
ASME/ANSI B 18.2.2 Square and hex nuts –inch series
ASME/ANSI B1.1-2003 Unified inch screw threads (un and unr thread form)
ASME/ANSI B18.2.3.5M Metric hex bolts
ASME/ANSI B18.3 Hexagon socket head cap screws
DIN
DIN 931 Hexagon Cap Screws Partially Threaded - Product grades A and B
DIN 933 M1,6 to M52 Hexagon Cap Screws Fully Threaded - Product grades 8.8
DIN 934 Hexagon nuts with metric coarse and fine pitch thread - Product classes A and Bgrades 8.8
DIN 912 Hexagon socket head cap screws (modified version of ISO 4762)
DIN 975 Threaded rods
DIN 976 Metric thread stud bolts
DIN 939 Studs with a length of engagement equal to about 1,25 d
DIN 6914 High-strength hexagon head bolts with large widths across flats for structural steel bolting
IS SPECIFICATION
IS 1367/ISO 3269 Technical supply condition for threaded steel fatteners
IS 1364/ISO 4014 Hexagon head bolts, screws and nuts of product grades a and b
IS 1363/ISO 4016 Hexagon head bolts, screws and nuts of product grade ‘c
IS 2269/ISO 4762 Hexagon socket head cap screws
IS 1862 Specification for stud
IS 3757/ISO 7412 Specification for high strength structural bolts
IS 6623 High strength structural nuts — specification
IS 6649 Hardened and Tempered washer For High Tensile Structural Bolts And Nuts
BS SPECIFICATION
BS 1768 Unified precision hexagon bolts, screws, & nuts (UNC & UNF threads). Normal series
BS 4168 Hexagon socket screws and wrench keys .Metric Series
BS 2470 Hexagon socket screws and wrench keys. Inch series