T/CSTM 00257-2021 Active Group standards

T/CSTM 00257-2021 Oilfield drilling steel。

Publish Date: 2021-08-09 Implement Date: 2021-11-09 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CSTM 00257-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Metallurgy

ICS Name: \nSteel rods and steel bars

Publish Date: 2021-08-09

Implement Date: 2021-11-09

Scope

Scope: This document specifies the ordering content, dimensions, shape, weight, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for steel used in oilfield drilling tools. This document applies to hot-rolled round steel with a nominal diameter not exceeding 300 mm and hot-forged round steel with a nominal diameter not exceeding 600 mm (hereinafter referred to as round steel). Main technical content: This document specifies the ordering content, dimensions, shape, weight, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for steel used in oilfield drilling tools. This document applies to hot-rolled round steel with a nominal diameter not exceeding 300 mm and hot-forged round steel with a nominal diameter not exceeding 600 mm (hereinafter referred to as round steel).