• Model NO.：ERW STEEL PIPE
• Trademark：Chief Steel
• Origin：China
• Production Capacity：200000 Tons,Year

Standard
NumberLast
versionDescriptionStatusGOST 8051995Steelmaking pig iron. Specifications/399/GOST 12151979Malleable iron castings. General specifications/11/GOST 14121985Flake graphite iron for casting. Grades/6/GOST 15851985Antifriction iron for castings. Grades/10/GOST 48321995Foundry pig iron. Specifications/504/GOST 72931985Spheroidal graphite iron for castings. Grades/8/GOST 77691982Alloy cast iron for castings of special properties. Grades/60/GOST 263581984Cast iron castings. General specifications/No materials/GOST 283941989Vermicular graphite iron for castings. Grades/4/GOST 15851985Antifriction iron for castings. Grades/10/GOST 246481990Pig iron for castings. Sampling and making the specimens for mechanical testing/No materials/GOST 283941989Vermicular graphite iron for castings. Grades/4/

 

Structural and constructional steels

Standard
NumberLast
versionDescriptionStatusGOST 10501988Carbon structural quality steel gauged bars with special surface finish. General specifications/24/GOST 107021978Steel bars, carbon and alloy, structural, for cold extruding and upsetting. Specifications/51/GOST 133451985Tin plate and black plate. Specifications/No materials/GOST 14141975Constructional rolled steel of improved and high cutting machinability. Specification/18/GOST 149591979Spring carbon and alloy steel bars. Specifications/26/GOST 15771993Rolled sheets and wide strips of structural quality steel. Specifications/38/GOST 200721974Heat-resistant steel. Specifications/12/GOST 22841979Cold-rolled carbon structural steel strip. Specifications/15/GOST 237051979Hot-rolled and forged bars of heat resistant alloys. Specifications/25/GOST 241821982Open-hearth steel rails, P75, P65 and P50 types for wide gauge railways. Specifications/8/GOST 242441980Low carbon sheet coid-rolling for enamelled ware. Technical conditions/3/GOST 277721988Structural steel structure rolled products. General specifications/16/GOST 3801994Common quality carbon steel. Grades/21/GOST 38361983Electrotechnical unalloyed steel thin sheet and bands. Specifications/20/GOST 40411971Rolled plates of high quality structural steel for cold stamping. Specifications/22/GOST 41211996Crane rails. Specifications/2/GOST 84791970Construction carbon and alloy steel forgings. General specification/29/GOST 87311987Seamless hot-rolled steel tubes. Specifications/17/

Welding and Filler materials

Standard
NumberLast
versionDescriptionStatusGOST 100511975Metal covered electrodes for manual arc surfacing of upper layers with special properties. Types/44/GOST 100521975Metal covered electrodes for manual arc welding of high-alloyed steel with special properties. Types/49/GOST 214491975Rods for welding deposit. Specifications/No materials/GOST 22461970Welding steel wire. Specifications/75/GOST 261011984Welding powder wire. Specifications/23/GOST 261311984Heat-resisting steel forgings. General specifications/No materials/GOST R 522222004Fused fluxes for automatic welding. Specifications/No materials/