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Hole Expansion Characteristics of Ultra High Strength

As shown in Fig. 4, the correlation between the hole expansion ratio and tensile strength had an obvious turning pointWhile the tensile strength of steel was less than 640 MPa (HC340/590DP steel sheet sample with tensile strength of 641 MPa), hole expansion ratio of steel decreased linearly with the increase of tensile strength.

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Hole Expansion Characteristics of Ultra High Strength Steels

While the tensile strength of steel was less than 64 0 MPa (HC340/590DP steel sheet sample with tensile strength of 641 MPa), hole expa nsio n ratio of steel decrea sed linearly with the increase

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Q/BQB 418 2009 English

⎯ new Grade HC250/450DP, HC 300/500DP, HC280/590DP, HC340/590DP, HC550/690DP, HC420/780DP, HC500/780DP, HC550/980DP, HC820/1180DP, and provides the corresponding technical requirements; Appendix A of this standard is an informative annex. The standard proposed by Baoshan Iron & Steel Co., Ltd. of technical quality.

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Dynamic deformation behavior of B340 590DP steel sheet

Dynamic deformation behavior of B340 590DP steel sheet was investigated by dynamic tensile test with strain rates ranging from 0. 003 to 530s 1 and stress strain curves at different strain rates

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Cold rolled_BaoSteel Brand,Hot rolled steel, Cold rolled steel

Rolling between the two intermediate annealing is called a rolling process. Annealed cold rolled strip steel in a protective gas continuous annealing furnace or annealing furnace is performed (see cold rolled strip annealing). The minimum thickness of cold rolled strip current

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HC950/1300HS cold rolled coils Shanghai Royal Industry

HC950/1300HS hot drawing PH or B steel microstructureFerrite and pearlite (before heat treatment), martensite (after heat treatment). HC950/1300HS hot drawing PH or B steel performance featuresultra high strength (tensile strength up to 1500MPa above), effectively improving the crash performance, lightweight body; parts with complex shape, good formability, high dimensional accuracy.

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China B250p1 Phosphorus High Strength Structural Steel

Tool Steel, Steel Pipe, Steel Sheet manufacturer / supplier in China, offering B250p1 Phosphorus High Strength Structural Steel Coil Hc260y, ASTM B505 SAE660 Bearing Bronze, C17200 Cube2 Rod Beryllium Copper and so on.

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Cold rolled steel coil,Automotive steel,C276 steel plate

Cold rolled steel coil. Chinese Special steel Limited cold rolled steel coil product includes six parts1. Advance high strength Automotive steel. For common Cold rolled steel Max tensile strength can be 1700MPa, hot galvanize steel sheet can be 1180MPa, Electrical galvanize can be 980MPa.

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Q/BQB 418 2018 Auto immediate delivery.

In 0~10 minutes time, full copy of this English PDF will be auto immediately delivered to your email by our cloud server.

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Advanced High Strength Steel and Press Hardening

Oct 18, 2015 · This proceedings brings together one hundred and ten selected papers presented at the 2nd International Conference on Advanced High Strength Steel and Press Hardening (ICHSU2015), which was held in Changsha, China, during October 15–18, 2015. To satisfy the increasingly urgent requirement of

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wholesale HC340 590DP steel supplies steel plate and

As shown in Fig. 4, the correlation between the hole expansion ratio and tensile strength had an obvious turning pointWhile the tensile strength of steel was less than 640 MPa (HC340/590DP steel sheet sample with tensile strength of 641 MPa), hole expansion ratio of steel decreased linearly with the increase of tensile strength.

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wholesale HC340 590DP steel supplies steel plate and

As shown in Fig. 4, the correlation between the hole expansion ratio and tensile strength had an obvious turning pointWhile the tensile strength of steel was less than 640 MPa (HC340/590DP steel sheet sample with tensile strength of 641 MPa), hole expansion ratio of steel decreased linearly with the increase of tensile strength.

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Product exhibition ShouGang Qingdao Steel

Hot continuous rolling steel plate and steel belt of Shougang for automotive frame have excellent surface quality and nice performance and are applicable for processing main girder, crossbeam, stiffener, etc. of automobile, such as special vehicle, heavy truck, medium duty truck, light duty truck and SUV of all kinds of models; and these products are highly praised by the customers.

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HC260LAD Z steel specification Carbon steel Material

3 Hilti Anchor Rod Specifications and Technical Data DBS 02/18 The following steel design information is for Hilti standard threaded rod lengths and HIT Z anchor rods according to the material specifications on page 2, used in conjunction. Galvanized Carbon Steel Pipe With Specification Chart ZS . Galvanized Carbon Steel Pipe With Specification

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Q_BQB418 2014 冷轧先进高强钢钢板及钢带_图文_百度文库

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表1 牌号 钢种类型 用途 hc250/450dp hc290/490dp hc340/590dp (b340/590dp) (b400/780dp) hc420/780dp hc500/780dp hc550/980dp hc550/980dp‐el hc650/980dp hc820/1180dp hc700/900ms hc700/980ms hc860/1100ms hc950/1180ms hc1030/1300ms hc1150/1400ms hc1200/1500ms hc1350/1700ms hc380/590tr hc400/690tr hc420/780tr hc350/600cp hc500/780cp hc700

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基于零件应用的第3代高强钢——qp钢的成形特性 精密成形工程.pdf

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By com paring with DP steel, mechanical properties, forming properties, forming limit and bending properties of QP steel were analyzed with microstructure analysis, tensile test, forming limit and V shape bending test. QP steel had excellent formability.

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BQB418 2014冷轧先进高强钢_图文_百度文库

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表1 牌号 钢种类型 hc250/450dp hc290/490dp hc340/590dp (b340/590dp) (b400/780dp) hc420/780dp 双相钢(dp) hc500/780dp hc550/980dp hc550/980dp el hc650/980dp hc820/1180dp hc700/900ms hc700/980ms hc860/1100ms hc950/1180ms hc1030/1300ms 马氏体钢(ms) hc1150/1400ms hc1200/1500ms hc1350/1700ms hc380/590tr hc400/690tr 相变诱导塑性钢

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