1. The raw materials of Cold-Drawn Low-Carbon Steel wire base material for wire mesh plate can be hot-rolled low-carbon steel wire rod or hot-rolled smooth steel bar.

　　2. 冷拔低碳鋼線材進廠、進廠時，應(yīng)檢查合格的整件產(chǎn)品和出廠檢驗報告，并按現(xiàn)行標(biāo)準(zhǔn)《低碳鋼熱軋盤條》GB/T701

　　2. When Cold-Drawn Low-Carbon Steel wire rod enters or enters the factory, the qualified whole product and inspection report shall be inspected, and according to the current national standard "Low-carbon steel hot-rolled wire rod" GB/T701.

　　或《鋼筋混凝土用鋼部分:熱軋圓鋼》GB1499.1抽樣試樣及力學(xué)性能試驗，其質(zhì)量應(yīng)符合有關(guān)標(biāo)準(zhǔn)的要求。進入工廠和進入現(xiàn)場的基材應(yīng)按生產(chǎn)單位進行分配

　　Or "Steel for Reinforced Concrete Part I: Hot Rolled Round Steel" GB1499.1 Sampling Samples and Mechanical Property Tests, the quality of which should meet the requirements of relevant standards. Material entering factory and site shall be distributed according to production unit.

　　尺寸和規(guī)格堆放使用。當(dāng)有關(guān)標(biāo)準(zhǔn)沒有規(guī)定檢驗批次和抗拉強度時，應(yīng)在工廠或現(xiàn)場滿足下列要求進行驗收。

　　Dimensions and specifications are stacked for use. When the relevant standards do not specify inspection batches and tensile strength, the following requirements should be met for acceptance at the factory or site.

　　(1)檢查批次重量不應(yīng)超過60t。

　　(1) The weight of the inspection batch shall not exceed 60 tons.

　　(2)網(wǎng)片抗拉強度不小于370N/MM2

　　(2) Tensile strength of mesh is not less than 370N/MM2

　　3.冷拔低碳鋼絲網(wǎng)線材的原材料牌號和直徑可根據(jù)下表確定。冷拔過程中，每張圖的收縮率不應(yīng)超過25%。

　　3. The raw material grades and diameters of cold drawn low carbon wire mesh can be determined according to the table below. During cold drawing, the shrinkage of each drawing should not exceed 25%.

　　4. 冷拔前應(yīng)對母材進行除銹處理。拉絲時不應(yīng)退火?；娜缧鑼?，應(yīng)選用同一生產(chǎn)單元、同一應(yīng)使用的基材。

　　4. Rust removal should be carried out before cold drawing. Wire drawing should not be annealed. If the base material needs butt welding, the same production unit and the same brand should be used as the base material.

　　5. 基材的外觀質(zhì)量不應(yīng)影響拉絲過程。當(dāng)母材焊接性能較差或發(fā)生脆性斷裂時，應(yīng)按有關(guān)標(biāo)準(zhǔn)進行特殊檢查。

　　5. The appearance quality of the substrate should not affect the drawing process. When the weldability of base metal is poor or brittle fracture occurs, special inspection should be carried out according to relevant standards.

　　6. 每批檢驗中冷拔低碳鋼絲的表面質(zhì)量應(yīng)進行目視檢驗。鋼絲表面不得有裂紋、毛刺及影響機械性能的腐蝕、機械損傷。冷拔表面質(zhì)量不合格的低碳鋼絲，必須經(jīng)過處理和檢驗后方可用于工程。

　　6. The surface quality of cold drawn low carbon steel wire in each batch of inspection shall be inspected visually. No cracks, burrs, corrosion and mechanical damage affecting mechanical properties shall be allowed on the surface of steel wire. Low carbon steel wire with unqualified surface quality must be treated and tested before it can be used in engineering.

　　7. 冷拔低碳鋼絲按相同的生產(chǎn)單位、相同的原材料、相同的直徑、不超過30t一次檢驗批次進行檢驗，并檢查母材進貨檢驗報告。每個檢驗批次的檢驗項目為表面質(zhì)量、鋼筋網(wǎng)直徑偏差、拉伸試驗(包內(nèi)抗拉強度和伸長率測定)、反復(fù)彎曲試驗。

　　7. Cold-drawn low carbon steel wire shall be inspected by the same production unit, the same raw materials, the same diameter, and no more than 30 tons of inspection batches at a time, and the inspection report on the stock of base metal shall be inspected. The inspection items of each inspection batch are surface quality, diameter deviation of reinforcing steel mesh, tensile test (in-package tensile strength and elongation determination), repeated bending test.

　　8. 每個檢驗批次應(yīng)提取不少于5個板材進行直徑偏差檢驗

　　8. No less than 5 sheets should be extracted from each inspection batch for diameter deviation inspection.

　　通過篩網(wǎng)試驗，從每片鋼絲中抽取1個點來測量鋼絲的直徑。此時測得的鋼絲直徑為兩個垂直方向的平均值。冷拔低碳鋼絲的允許直徑偏差應(yīng)符合下表。有不合格品按批次檢驗，合格的板材可用于工程。測量導(dǎo)線直徑精度不小于0.01mm，平均直徑修改為0.0.1mm。

　　Through screen test, one point is drawn from each piece of steel wire to measure the diameter of steel wire. The diameter of steel wire measured at this time is the average value of two vertical directions. The allowable diameter deviation of cold drawn low carbon steel wire should conform to the following table. Non-conforming products are inspected in batches, and qualified sheets can be used in engineering. The accuracy of measuring traverse diameter is not less than 0.01 mm, and the average diameter is revised to 0.0.1 mm.