Name: Q355/Q420/Q500 Hot rolled carbon thick steel plate
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Q355/Q420/Q500 Hot rolled carbon thick steel plate

Product parameters

Hot rolled steel plate has low hardness, easy processing and good ductility. The surface quality of the hot-rolled steel plate is almost (with low oxidation finish), but the plasticity is good, generally medium and thick plate, cold rolled plate, high strength, high hardness, high surface finish, generally thin plate, can be used as a stamping plate.

Q355 is a type of steel. It is a kind of low-alloy high-strength structural steel, widely used in Bridges, vehicles, ships, buildings, pressure vessels, special equipment, etc. 355 indicates that the yield strength of this steel is 355MPa, and its yield value will decrease with the increase of the thickness of the material.

Q420 has high strength and good fatigue resistance. High toughness and low brittle transition temperature; Good cold forming performance and welding performance; It has good corrosion resistance and wear resistance. High strength, especially in the normalizing or normalizing and tempering state has high comprehensive mechanical properties.

Q500 is a building material name, mainly used in factory building, general construction and all kinds of construction machinery. Mainly used in: factory building, general construction and all kinds of engineering machinery, such as mining and all kinds of engineering construction of drilling RIGS, shovels, electric wheel dump truck, mining vehicles, excavators, loaders, bulldozers, all kinds of cranes, coal mine hydraulic support and other mechanical equipment and other structural parts.

Q500 is a low-alloy high-strength structural steel, mainly C,D,E three grades, namely Q500C,Q500D,Q500E.

Product information:

Name	Q355/Q420/Q500 Hot rolled carbon thick steel plate
Brand	Q355 Q390 Q420 Q460 Q500 Q550 Q620 Q690
Quality grade	B, C, D, E, F
Alloy Or Not	Non-Alloy
Production Process	Hot Rolled Carbon Steel
Width	1000mm,1250mm,1500mm,Or customized Size
Length	1m-12m, or Customized Size
Thickness	2.75mm，3.0mm，4.0mm，5.0mm，6.0mm，8.0mm，10.0mm，12.0mm，14.0mm，16.0mm，20.0-100.0mm，Or customized Size
Delivery Conditions	Rolling, Annealing, Quenching, Tempered or Standard
Execution standard	GB/T1591,GB1591-2008
Standard:	AiSi, ASTM, bs, DIN, GB, JIS
Certificate	CE, tisi, KS, JIS, GS, ISO9001
Delivery conditions	Hot rolling (AR or WAR), normalizing, normalizing rolling, hot mechanical rolling
Surface process	ordinary, coated
Delivery Time	with in 3-5 days

Q355B Chemical Element Content (%)

Thickness/mm	Chemical composition(%)	C	Si	Mn	P	S	Cr	Ni	Cu	N	Ti	V
t≤30	Min	-	-	-	-	-	-	-	-	-	-	-
t≤30	Max	0.24	0.55	1.6	0.035	0.035	0.3	0.3	0.4	0.012	0.2	0.2
	Chemical composition(%)	C	Si	Mn	P	S	Cr	Ni	Cu	N	Ti	V
30	Min	-	-	-	-	-	-	-	-	-	-	-
30	Max	0.22	0.55	1.6	0.035	0.035	0.3	0.3	0.4	0.012	0.2	0.2

Q420 Tensile strength (σb/MPa):520~680

Chemical composition(%):

Type	C	Mn	Si	P	S	V	Nb	Ti	Al	Cr	Ni
A	≦0.20	1.00~1.70	≦0.55	≦0.045	≦0.045	0.02~0.20	0.015~0.060	0.02~0.20	-	≦0.40	≦0.70
B	≦0.20	1.00~1.70	≦0.55	≦0.040	≦0.040	0.02~0.20	0.015~0.060	0.02~0.20	-	≦0.40	≦0.70
C	≦0.20	1.00~1.70	≦0.55	≦0.035	≦0.035	0.02~0.20	0.015~0.060	0.02~0.20	≧0.015	≦0.40	≦0.70
D	≦0.20	1.00~1.70	≦0.55	≦0.030	≦0.030	0.02~0.20	0.015~0.060	0.02~0.20	≧0.015	≦0.40	≦0.70
E	≦0.20	1.00~1.70	≦0.55	≦0.025	≦0.025	0.02~0.20	0.015~0.060	0.02~0.20	≧0.015	≦0.40	≦0.70

Type	A	B	C	D	E
Elongation(δ5/%)	≧18	≧18	≧19	≧19	≧19

Thickness/mm	≦16	>16~35	>35~50	>50~100
Yield pointσs/MPa	≧420	≧400	≧380	≧360

Q500 Chemical composition (%) : (C) : 0.18, or less (Mn) : 1.80, or less (Si) : 0.60, or less (P) : 0.030, or less (S) : 0.030, or less (Nb) : 0.11, or less (V) : 0.12, or less (Ti) : 0.20, or less (Cr) : 0.60, or less (Ni) : 0.80, or less (Cu) : 0.55, or less (N) : 0.015, or less (Mo) : 0.20, or less (B) : 0.004, or less (Al) : 0.015 or higher

Thickness/(mm)	≤40	>40~63	>63~80	>80~100
Tensile strength/σb(MPa)	610~770	600~760	590~750	540~730

Thickness/(mm)	≤16	>16~40	>40~63	>63~80	>80~100
Yield strength/σb(MPa)	≥500	≥480	≥470	≥450	≥440

Stock specification sheet
Data (Thickness-width-length)/mm	Sort	Inventory/tons	Data (Thickness-width-length)/mm	Sort	Inventory/tons	Data (Thickness-width-length)/mm	Sort	Inventory/tons
0.410002000	Cold rolling	78	515004000	Hot rolling	150	2522009050	Hot rolling	300
0.67502000	Cold rolling	69	615004000	Hot rolling	230	3022009150	Hot rolling	120
0.89102000	Cold rolling	121	820008000	Hot rolling	96	3522008900	Hot rolling	224
1.010002000	Cold rolling	108	1022008500	Hot rolling	220	40220010500	Hot rolling	86
1.510002000	Cold rolling	54	1222008900	Hot rolling	52	4522009500	Hot rolling	340
2.010002000	Cold rolling	96	1422008100	Hot rolling	104	5022008700	Hot rolling	170
2.510002000	Cold rolling	112	1622008900	Hot rolling	76	6022008950	Hot rolling	245
3.010002000	Cold rolling	167	1822008650	Hot rolling	175	8022008500	Hot rolling	244
4.010002000	Cold rolling	56	2022008950	Hot rolling	210

Our main products are all kinds of carbon steel, stainless steel, alloy, pre-coated sheet, pipe, parts and other products. If you have other related steel products, please send an email to our company's main mailbox, we will have a professional sales manager in the first time to reply.

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