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AQ 2001-2004 Safety regulations for steel-making (USD) via email in 1-3 business day ABOLISHED
GB/T 36226-2018 Stainless steel—Determination of manganse,nickel,chromium,molybdenum,copper and titanium—Handheld energy dispersive X-Ray fluorescence spectrometric method(semiquantitative method) (USD) via email in 1 business day VALID
GB/T 4336-2016/XG1-2017 Carbon and low-alloy steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (routine method) via email in VALID please email coc@codeofchina.com for quotation
GB/T 8732-1988 Steels for vane of steam turbine via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 36164-2018 High alloy steel—Determination of multi-element contents—X-ray fluorescence spectrometry(routine method) (USD) via email in 1-3 business day VALID
GB/T 4336-2016 Carbon and low-alloy steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (routine method) (USD) via email in 1-5 business day VALID
GB 222-1984 Method of sampling steel for determination of chemical composition and permissible variations for product analysis via email in ABOLISHED please email coc@codeofchina.com for quotation
YB/T 148-1998 Standard test method for the content of metallic iron in steel slag used in cement (USD) via email in 1-3 business day ABOLISHED
YB/T 4242-2011 Technical specification energy saving design for reheating furnace of steel rolling in iron and steel works via email in VALID please email coc@codeofchina.com for quotation
YB/T 022-1992 (USD) via email in 1-3 business day ABOLISHED
GB/T 21834-2008 Medium and low alloy steel - Determination of the distribution of multi-element contents - Original position statistic distribution analysis method (USD) via email in 1-3 business day VALID
GB/T 4336-1984 Method for photoelectric emission spectroscopic analysis of carbon steel medium and low alloy steel (USD) via email in 1-3 business day ABOLISHED
GB 1222-1984 Spring steels (USD) via email in 1-3 business day ABOLISHED
GB/T 22368-2008 Low-alloy steel - Determination of multi-element contents - Glow discharge optical emission spectrometry(Routine method) (USD) via email in 1-3 business day VALID
GB/T 8731-1988 Free-cutting steel; Technical requirements (USD) via email in 1-3 business day ABOLISHED
GB/T 13304-1991 Steels-Classification (USD) via email in 1-3 business day ABOLISHED
GB/T 11170-2008 Stainless steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (Routine method) (USD) via email in 1-3 business day VALID
GB/T 20126-2006 Unalloyed steel -- Determination of low carbon content -- Part 2: Infrared absorption method after combustion in an induction furnace (with preheating) (USD) via email in 1-3 business day VALID
GB/T 5676-1985 Cast carbon steels for general engineering purposes (USD) via email in 1 business day ABOLISHED
GB/T 17505-1998 Steel and steel products General technical delivery requirements via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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