Wugang shipping company for WQ890D related chemical composition, mechanical properties
WQ890D is a high strength structural steel, the delivery of the state for quenching and tempering (quenching and tempering), due to delivery conditions, quenching and tempering, also known as quenched and tempered high-strength steel.
chemical composition
The chemical composition of the steel (melting analysis) shall conform to the provisions of table 1. Table 1 wt,%
C, Si, Mn, P, S, Cr, Ni, Mo, Nb,, V, Ti, B
Less than or equal to
Less than 0.18
Less than 0.50
Less than 1.50
Less than 0.020
Less than 0.010
Less than 0.90
Less than 1.20
Less than 0.60
Less than 0.06
Less than 0.08
Less than 0.03
Zero point zero zero three
mechanical property
The mechanical properties of the steel plate shall be in accordance with the provisions of table 2. Table 2
Specifications Rp0.2
MPa Rm
MPa A50
% AKV (-20 DEG C, J) cold bending
D=3a
Transverse longitudinal
8 - 30 = 890 = 980 = 12 = 30 = 40.
31 - 50 = 860 = 950 = 27 = 35
Note: elongation - the elongation at which the gauge distance of the sample is L0=50mm
test method
Inspection items; sampling number; sampling method; test method
1 chemical analysis 1 (per canister number) GB/T222 GB223
2 stretch 1 GB/T2975 GB228
3 cold bend 1 GB/T232
4 impact 6 GB/T229
5 ultrasonic inspection by Zhang / JB4730
Wugang city ship materials Co., Ltd.
Contact: Wang Ziru
Mobile: 15639950000
Telephone: 0375-8332206
Fax: 03758332225
QQ:915507730
Address: North Industrial Zone, Henan, Wugang
URL: http://www.wgzcgt.com
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