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GB/T1591 Q420B Carbon and Low-alloy High-strength Steel Plate

GB/T1591 Q420B Carbon and Low-alloy High-strength Steel Plate Chemical Composition and Mechanical Property

Grade	C %	Si %	Mn	P %	S %
Q420B	≤ 0.20	≤ 0.55	1.00-1.70	≤ 0.040	≤ 0.040

Grade	Thickness	Yield Strength (Mpa)	Tensile Strength	Elongation(%)	Impact Energy
Grade	(mm)	Yield Strength (Mpa)	(MPa)	Elongation(%)	Min
Q420B	≤16	420	520-680	18	20	34
	>16-35	400	520-680	18	20	34
	>35	380	520-680	18	20	34
The min impact energy is longitudinal energy

GB/T1591 Q420B Carbon and Low-alloy High-strength Steel Plate Application

GB/T1591 Q420B Steel Plate are used in Construction of Bridges, Highway Construction and Other Engineering construction

GB/T1591 Q420B Carbon and Low-alloy High-strength Steel Plate Other Name

GB/T1591 Q420B Carbon Structural Steel Plate, GB/T1591 Q420B High Strength Structural Steel Plate, GB/T1591 Q420B Carbon Steel plate, GB/T1591 Q420B Structural Steel Plate.

Additional Condition

UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.

Other Terms

Packaging Details: Standard export seaworthy packing or as required.
Delivery Time: 30-50 days, 7 days for stock goods.
Loading Port: Shanghai ,Tianjin, Qingdao.
Offer Ability:5 000MT/Per Month.
MOQ: 1 Pcs.

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