GB/T1591 steel plate - carbon and low alloy high strength steel

GB/T1591 steel plate is a Chinese standardized low alloy, medium tensile strength steel made with a hot-rolling process, and GB/T1591 steel plate is used for a number of manufacturing purposes.

Consult online bb@bebonchina.com

Steel Properties

GB/T1591 steel plate chemical composition:

Grade	C	Si	Mn	P	S	Nb	V	Ti	Cr	Ni	Cu	N	Mo
Q345B	≤0.2	≤0.5	≤1.7	0.035	0.035	0.07	0.15	0.2	0.3	0.5	0.3	0.012	0.1
Q345C	≤0.2	≤0.5	≤1.7	0.03	0.03	0.07	0.15	0.2	0.3	0.5	0.3	0.012	0.1
Q345D	≤0.18	≤0.5	≤1.7	0.03	0.025	0.07	0.15	0.2	0.3	0.5	0.3	0.012	0.1
Q390C	≤0.2	≤0.5	≤1.7	0.03	0.03	0.07	0.20	0.20	0.3	0.5	0.3	0.015	0.10
Q390D	≤0.2	≤0.5	≤1.7	0.03	0.025	0.07	0.20	0.20	0.3	0.5	0.3	0.015	0.10

GB/T1591 steel plate mechanical properties:

Grade	Yield strength Mpa
Grade	≤16	16-40	40-63	63-80	80-100	100-150	150-200	200-250	250-400
Q345B	≥345	≥335	≥325	≥315	≥305	≥285	≥275	≥265	-
Q345C	≥345	≥335	≥325	≥315	≥305	≥285	≥275	≥265	-
Q345D	≥345	≥335	≥325	≥315	≥305	≥285	≥275	≥265	≥265
Q390C	≥390	≥370	≥350	≥330	≥330	≥310	-	-	-
Q390D	≥390	≥370	≥350	≥330	≥330	≥310	-	-	-

Grade	Tensile strength Mpa
Grade	≤40	40-63	63-80	80-100	100-150	150-250	250-400
Q345B	470-630	470-630	470-630	470-630	450-600	450-600	-
Q345C	470-630	470-630	470-630	470-630	450-600	450-600	-
Q345D	470-630	470-630	470-630	470-630	450-600	450-600	450-600
Q390C	490-650	490-650	490-650	490-650	470-620	-	-
Q390D	490-650	490-650	490-650	490-650	470-620	-	-

Application

GB/T1591 steel plate application:
GB/T1591 steel plate is used in construction of bridges, highway construction and other engineering construction.

BBN Group recommends GB/T1591 steel plate - carbon and low alloy high strength steel to help you understand the detailed specifications of BBN Group products and the content of services. You can also view related cases and videos, you can also view all BBN Group products.

Related Products

More Products