Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
YB/T 4850-2020 Direct reduced iron-Determination of total iron, phosphorus, sulfur, silicon dioxide, aluminum oxide, calcium oxide and magnesium oxide contents-Wavelength dispersive X-ray fluorescence spectrometric method $300.00 via email in 1~3 business day valid
YB/T 5209-2020 Electric-welded steel tubes for cardan shaft $280.00 immediately valid
YB/T 4841-2020 Hot rolled wide steel strip for acid resistance transportation line pipe of petroleum and natural gas $280.00 via email in 1~3 business day valid
YB/T 4828-2020 Screw-thread steel bars for the reinforcement of concrete $280.00 via email in 1~3 business day valid
YB/T 4839-2020 Hot rolled plate for induction bends for line pipe of petroleum and natural gas $260.00 via email in 1~3 business day valid
YB/T 4811-2020 Ultrasonic testing of hot rolled H section steel $260.00 via email in 1~3 business day valid
YB/T 4840-2020 Hot rolled plate for station pipe for line pipe of petroleum and natural gas $240.00 via email in 1~3 business day valid
YB/T 4868-2020 Technical specification for optimizing coal blending for coke-making $240.00 via email in 1~3 business day valid
YB/T 4834-2020 Drilling tools for blast furnace tapping $240.00 via email in 1~3 business day valid
YB/T 4864-2020 Warehouse management specification of iron and steel $220.00 via email in 1~3 business day valid
YB/T 4883-2020 Methods of determination and calculation of water balance in iron and steel enterprises $220.00 via email in 1~3 business day valid
YB/T 4849-2020 The technical specification of online automatic sampling, sample preparation, particle size analysis and the determination of tumbler strength for iron ore pellet $220.00 via email in 1~3 business day valid
YB/T 4837-2020 Continuously cast round bloom for ultra-supercritical high pressure boiler pipe $220.00 via email in 1~3 business day valid
YB/T 4829-2020 Determination of metallic coating mass on steel一On-line X-ray fluorescence method $220.00 via email in 1~3 business day valid
YB/T 4830-2020 Hot rolled hat section steel $220.00 via email in 1~3 business day valid
YB/T 4820-2020 Cold ramming paste for constructing of the submerged arc furnace $220.00 via email in 1~3 business day valid
YB/T 4818-2020 Seamless precision steel tubes for injection molding machinery $220.00 via email in 1~3 business day valid
YB/T 4877-2020 Evaluation of the technical requirements for third-party road transport service of iron and steel $200.00 via email in 1~3 business day valid
YB/T 4884-2020 Technical specification for wastewater treatment of cold-rolled chrome-contained of iron and steel enterprises $200.00 via email in 1~3 business day valid
YB/T 4842-2020 Coll-rolled grain oriented electrical steel strip (sheet) for large power generation equipment $200.00 via email in 1~3 business day valid
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