Product Uses and Introduction

This series of products is for mechanical engineering applications, and the choice of material depends on the specific circumstances. Below, we will introduce the thickness range, delivery condition, and applicable standards for each grade that we can provide. We hope this information is helpful. If you have any questions about the products or need a quote, please contact us via email. We apologize that some grades may be categorized into multiple types based on their applications, which could make your search inconvenient. We also welcome any suggestions you may have. Thank you very much!

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If conditions permit, we can also provide steel mill customization services, where the thickness, width, and length can all be made to your needs, just like a tailor making clothes for you, implementing personalized orders.

Steel mill customized business email: customize@cehesteel.com

Scope of supply

Product Category Implementation Standards Grade Specification.(mm) Delivery status
Low-alloy structural plates
and quenched
and tempered steel plates
for high-strength structures		 GB/T1591 Q460MC、Q460MD、Q460ME 6～60 TM
- Q460NC、Q460ND、Q460NE 6～60 N
GB/T16270 Q500D、Q500E、Q550D、
Q550E、Q690D、Q690E、
Q960D、Q960E		 6～80 Q+T
YB/T 4137 Q460CFC、Q550CFD、
Q600CFD、Q690CFD		 6～50 Q+T
Low alloy structural plate and high strength structural quenched and tempered steel plate EN 10025-4 S460M 6～60 TM
EN 10025-3 S460N、S460NL 6～80 N
ASTM A514 A514Gr.S 6～100 Q+T
EN 10025-6 S690Q、S690QL 6～80 Q+T
ASME SA517 A517Gr.B 6～32 Q+T
Q/XGJX628-2024 CEMTUF700 6～75 Q+T

chemical composition

Grade Chemical Composition Mechanical properties Remark
C Mn Si S P … ReH Rm KV₂
A514Gr.S 0.15~0.18 1.1~1.25   0.15~0.35 ≤0.005   ≤0.015   ≥690   760~895   -40℃ Cr,Mo,Ni,B;
(≥30J) CEV≤0.65%
S690QL 0.15~0.18 1.10~1.25 0.15~0.35 ≤0.005 ≤0.015 ≥690 770~940 -40℃
(≥30)		 Cr,Mo,Ni,B
0.15~0.18 1.55~1.65 0.30~0.45 ≤0.005 ≤0.015 VN ≥460 540~720 -50℃
(≥27J)		 V:0.16~0.17%;
CEV≤0.53%
S355J2+N 0.14~0.17 1.4~1.50 0.15~0.40   ≤0.008   ≤0.02   ≥355   470~630   -20℃ Nb:0.01~0.02%;
(≥27J) CEV≤0.45%

Mechanical properties

Grade Delivery status Tensile test Impact test
Lower yield MPa) Upper yield MPa) Elongation(%) Temperature(℃) J1 J2 J3 Average value
Q460MC TM 503  611  30.5  0  135  146  130  137 
Q460MD TM 512  609  28.9  -20  118  132  128  126 
Q690C Q+T 736  855  24.9  0  112  128  105  115 
Q690E Q+T 742  849  25.6  -40  109  113  108  110