Cold-Rolled Product Equivalent Grade Comparison Tables

In the realm of coated steel products, it is crucial to discern the differences between various cold-rolled steel grades. This article provides a comprehensive comparison table for equivalent grades, shedding light on low carbon steel, phosphorus-added steel, bake-hardening steel, dual-phase steel, and low-alloy high-strength steel.

Table 1 – Low Carbon Steel

Standard No.Q/BQB 402-2009Q/BQB 403-2009Q/BQB 408-2009JIS G3141-1996JFS A2001-1998EN 10130-1999DIN 1623-(1)-1983ASTM A1008-02e1GB/T 5213-2001ISO 3574-1999
GradeSPCCDC01(St12)BLCSPCCJSC270CDC01St12CSCR1
SPCDDC03(St13)BLDSPCDJSC270DDC03RRSt13DSCR2
SPCEDC04(St14,St15)BUSDSPCEJSC270EDC04St14DDSSC1CR3
SPCENDC05(BSC2)BUFDSPCENJSC270FDC05EDDSSC2CR4
DC06(St16,St14-T BSC3)BSUFDJSC260GDC06SC3CR5

It delves into their mechanical properties, corrosion resistance, and applications, emphasizing their significance in industries like automotive, construction, and manufacturing.

Table 2 – Phosphorus Added Steel

Standard No.Q/BQB 411-2009JFS A2001-1998JIS G3135-1986prEN 10268-2002
GradeB170P1JSC340PSPFC340
B210P1JSC390PSPFC390
B250P1JSC440PSPFC440
B180P2(BP340)JSC340WH180P
B220P2(BP380)JSC390WH220P

This table elucidates the distinctions and applications of phosphorus-added steel. It highlights the competitive and substitutive nature of these grades, particularly in the fields of construction and machinery.

Cold-Rolled Product Equivalent Grade Comparison Tables
Cold-Rolled Product Equivalent Grade Comparison Tables

Table 3 – Bake-Hardening Steel

Standard No.Q/BQB 416-2009JFS A2001-1998JIS G3135-1986prEN 10268-2002
GradeB140H1JSC270H
B180H1JSC340H
B180H2(BH340)SPFC340HH180B

It emphasizes the role of these steels in achieving enhanced strength and corrosion resistance through specific heat treatment processes.

Table 4 – Dual-Phase Steel

Standard No.Q/BQB 418-2009JFS A2001-1998SAE J2340-1999
GradeB240/390DP
B280/440DP
B340/590DPJSC590Y600DL1
B400/780DPJSC780Y

It underscores the advantages of these grades in terms of strength and applications in diverse industries.

Table 5 – Low Alloy High Strength Steel

Standard No.Q/BQB 419-2009JFS A2001-1998SAE J2340-1999prEN 10268-2002
GradeB340LAJSC440R340XH340LA
B410LAJSC590RH420LA

Note: The grades mentioned in the tables represent equivalent grades in various standards.

It emphasizes their role in offering superior strength while maintaining adaptability in welding, coating, and other processing aspects.

We serves as a valuable reference for professionals in the steel industry, offering a detailed understanding of different cold-rolled steel grades and facilitating informed decision-making in material selection for various applications. Contact us for more information.

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