SPA-C steel for railway rolling stock, cutting parts stock

Cold-rolled sheet is mainly used in the manufacturing of household appliances, automobiles, agricultural machinery, etc., as well as the raw material for the base plate of galvanized sheet and tin-plated sheet and thin-wall welded pipe. For stamping grade cold rolled sheet, deep drawing, extra deep drawing and ultra deep drawing grade cold rolled sheet, the steel grades are Q195, Q215, Q235, SPCC, St12, St13, St14. Cold rolled plate: SPCCT-SD, SPA-C steel for railway rolling stock, SPCC, SPCE, DC01, DC03, DC04, DC05.

Q690E high strength steel chemical composition: C: 0.08-0.15, Si: 0.17-0.37, Mn: 0.40-0.70, S: ≤0.035, P: ≤0.035, Cr: 0.30～0.60, Cu: ≤0.030, Ni: ≤0.030, V: 0.15-0.30, Mo: 0.25-0.35
Q690E mechanical properties:
Tensile strength σb (MPa): ≥440
Yield strength σs (MPa): ≥225
Elongation δ5 (%): ≥22
Reduction of area ψ (%): ≥50
Impact energy Akv (J): ≥78

To provide customers with the most satisfactory service and realize the win-win of economic and social benefits, our company promises to provide excellent SPA-C steel for railway rolling stock products in this bidding, and in line with the attitude of being serious and responsible to customers, before sending goods to users, the SPA-C steel for railway rolling stock technical personnel shall confirm that there is no fault in the equipment before sending goods to users, and then send goods and products to users, and formulate the following service terms.