This standard specifies the requirements, inspection rules, marking, packaging, transportation, storage and contract content of raw magnesium ingots. This standard applies to raw magnesium ingots produced by refining and purifying crude magnesium produced by silicothermic method and molten salt electrolysis method. GB/T 3499-2003 Raw magnesium ingots GB/T3499-2003 standard download decompression password: www.bzxz.net

ICS 77. 150. 20
National Standard of the People's Republic of China
CB/T3499—2003
Replaces G/T313—1995
Published on 2003-06-16
Magnesiurn ingoiswwW.bzxz.Net
2004-01-01 implementation
People's Republic of China
General Administration of Quality Supervision, Inspection and Quarantine
GB/T3499—2003
This standard is a revision of G5/451995 re-refined magnesium: Compared with the original standard, this revision has the following major changes: The name of the standard is changed to "raw magnesium":
The grade
Miy9996 is cancelled,
M grade is added
Mg9995 grade is increased with nuclear 2 content, 2m content (mass fraction> not more than 0.1%)-the Si content of Mg090 grade (re-extension of the fraction 3.01 to 0.02%) is reduced; the "total of miscellaneous materials" is cancelled and the "other single parent" is added; the Mg998 in this standard is consistent with the standard of the ASTM The chemical composition of Gr1908A grade in B2M201 is equivalent, and the chemical composition of M339 grade and Mg9730 grade is equivalent to that of Mg99.95B grade and Mg99.803 grade in international standard 15082872000. This standard is issued by China National Nonferrous Metals Association, and is drafted by the National Nonferrous Metals Standardization Technical Committee. This standard is drafted by the National Nonferrous Metals Association Branch and China Nonferrous Metals Industry Standardization and Metrology Quality Research Institute. This standard is drafted by the National Nonferrous Metals Association Branch. The drafting units of this standard are: Nanxin Wenmei Co., Ltd., Ningxia Huayuan Industrial Co., Ltd., Shanxi Wankai Industrial Co., Ltd., Henan Shihua Longxiang Rao Products Co., Ltd., the main drafters of this standard are: Han Ran, Yi Shuyi, Ma Cunzhen, Ben Yuhua, Fan Shunke, and the version of this standard is:
15/T $409—1U8X.G5/T 45U--UE5.1 Scope
GB/T 34992003
This standard specifies the requirements, test methods, inspection rules, sample identification, table, transportation, storage and handling of raw fuel. This standard applies to raw fuel produced by the refinery and purification of raw fuel. 2 Specification Reference Documents
The following documents are used to make the relevant provisions of this standard. All the referenced documents are not applicable to the subsequent revisions of this standard. However, the parties who have reached an agreement on whether these documents can be used together shall study whether they can be used together. The technology, H is the only document that can be expected, which is included in this document. T [Technical limit number representation method, printing determination method, GB/T817) numerical sample, GB/T1374A (all parts), standard and detailed information, YB.T325 steel strip for packaging, 3 requirements, 3.1 grade and chemical composition, original chemical composition of our school, number: M,,: its chemical composition is in accordance with the table, academic composition (teacher weight fraction), Mg929: 9. :
Mglil8,9.n
1: The total quantity is 1 minus the sum of the impurities in the table, 0.002
2: The product index of the components listed in the table is the first ten components in the system, that is, the effect and limit values ​​are shown in the car, Note 3, the service life shall be in accordance with the provisions of GB/T617, and the limit value of the indicator shall be determined according to L1/125°. 3.2 The surface quality presents several problems,
3.2.1 The surface of the car is treated with sound card, and the presence of alkyl agents is not allowed to cause cold insulation, heart formation, shrinkage marks, chemical combustion products and other obvious effects. There are no signs of repair. 3.2.2 The original car needs to be pickled, washed, dried and other anti-corrosion treatments. No acid is allowed on the surface, no water is allowed in the shrinkage pores, 3.3 The standard single piece weight is 7.5kg...t.5kg. 3.4 Other requirements
When the buyer has special requirements for the chemical composition of the raw material, such as surface quality, specifications, etc., it shall be determined by the supplier and the buyer. The minimum requirement shall be in the contract. 1
GB/T3499-2003
4 Test method
4.1 The chemical composition of raw material iron ingots shall be determined according to the provisions of (15/8715). 4.2 The surface quality of raw material magnesium alloy shall be determined according to the date of use. Visual inspection: 4.3 The original material shall be weighed with measuring instruments of corresponding accuracy as far as possible. 5 Inspection rules
5.1 Inspection and acceptance
5.1. The product shall be inspected by the supplier's quality inspection department to ensure that the product meets the requirements of this standard and issue a quality certificate. 5.1.2 The supplier shall conduct inspection on the received product. If the re-inspection result does not meet the requirements of this standard, the supplier shall issue a quality certificate upon receipt of the product. The dispute shall be raised to the supplier within one month after the product is produced, and the two parties shall negotiate to resolve the dispute. If arbitration is required, the arbitration shall be conducted jointly by the supplier and the demander. 5.2 The batch shall be inspected for composition, and the mother sample shall be the product composition of the company's smelting furnace number: 5.3 The chemical composition and quality of each batch of products shall be inspected. 5.4 Selection of samples for chemical composition analysis 5.4, 1 The supplier shall select samples of the chemical composition of the raw magnesium ingots in the absence of suitable production stations. When there is any objection to the chemical composition, the three parties shall select samples from the raw magnesium ingots according to the requirements of 5., 2, 5, and 4 under the conditions specified. 5.4.2 Randomly select 3 raw magnesium ingots from the batch of products: 5.4.3 The sampling method is used for drilling. Before sampling, the emulsified material must be removed in advance, and the thickness must be not less than .$. Diameter 5mm ~mm when the head is collected, the sample is not allowed to be used in the cold lubricant package of the day, 5.4.4 in the original delivery along the rear corner line station hole, one in the center. The other two are at a distance of [omm: 5.4.5 will be supplied to the user in the plate as much as possible, mixed about, reverse selection, all the sample in the sample to let the side Qin network, continue to check the obtained scraps, to ensure that the production of Hua if the people of the river any miscellaneous materials, 5.4.6 The quality of the iron obtained should be more than four times the amount required by the external beam, and the quality should not be less than "ours". 5.4.7 Divide the mixed mixture into equal parts and pack them separately, one for the supplier, one for the purchaser, and one for the arbitration.
5.5 Surface quality inspection and sampling
Original iron industry should promptly conduct surface quality inspection 5.5 Determination of inspection results
5.6.! The results of the chemical composition arbitration analysis are not If the product meets the requirements of this standard, the manufacturer can be qualified and the brand number can be determined according to the analysis results. 5.6.2 If the surface quality does not meet the requirements of this standard, the product will not be accepted. 6 Marking, packaging, transportation, storage
6.1 Marking
6.1.1 Each piece of raw material should have a separation (company logo) and smelting furnace number. 6.1.2 Each brand of Danyuan beef magnesium salt shall be marked on the packaging with blue, yellow and yellow. Mg9933, M39NMs95, MrJU8U:
6..3 The brand, melting point, weight, net weight, quality mark and supplier name shall be marked on the package.6.2 Packaging
.2.1 The original magnesium chain is of the same quality or the lower channel material is packed in a pallet, and the surface is wrapped with a sample cloth, and then tied with steel strips in GB/3499-2603. The steel strips shall meet the relevant specifications of YB/T025. The net weight must be 1000kg=50kg, 500kg, 120kg:
6.2.2 When there are special requirements for the packaging method, both parties shall make it clear and indicate it in the contract. 5.3 Transportation
The original magnesium should be transported in cabinets or with protective equipment to prevent the products from getting wet, corrosive, and corrosive. 6.4 Storage
The original magnesium should be stored in a clean, wind-proof, and completely quality warehouse. 6.5 Quality certificate
The batch production should be accompanied by a quality certificate and shall state:
Supplier name:
Product name:
Product brand:
Product number, net weight, and number of pieces!
Item summary for inspection
Standard serial number:
Order form (construction contract)
The order form for materials engraved with this standard (or the accompanying contract, etc.) includes the following items: a) Product name:
This standard shall include the "material chemical composition, surface quality, specifications, packaging method and special requirements" required by this standard. Add the information accumulated when the drug is discarded.
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