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GB/T1591 Q355B/C/D/E/ (Q355NB/NC/ND/NE) Low alloy high strength steel plate

Packaging Details: Standard export seaworthy packing or as required.
Delivery Time:only one week for stock, customized products according to order negotiation.
Loading Port:Shanghai ,Qingdao,Tianjin .
payment terms:By T/T or L/C.
Supply capacity:5000MT/month.
MOQ: According to order negotiation.

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PRODUCT DESCRIPTION

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GB/T1591 Q345B Carbon and Low-alloy High-strength Steel Plate

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GB/T1591 Q345B (Q355B) Low-alloy High-strength Steel Plate Chemical Composition

Grade	Mechanical Property max
	C	Si	Mn	P	S	Nb	V	Ti	Cr	Ni	Cu	N	Mo	AL min
Q345B	0.2	0.5	1.7	0.35	0.35	0.07	0.15	0.2	0.3	0.5	0.3	0.012	0.1	~

GB/T1591 Q345B (Q355B) Low-alloy High-strength Steel Plate Mechanical Property

Grade

Mechanical Property

Yield Strength (Mpa)

Tensile Strength

≤16

>16-40

>40-63

>63-80

>80-100

>100-150

>150-200

>200-250

>250-400

≤100

>100-250

>250-400

Q345B

345

335

325

315

305

285

275

265

470-630

450-600

Product Images

GB/T1591 Q345B (Q355B) Low-alloy High-strength Steel PlateGB/T1591 Q345B (Q355B) Low alloy High strength Steel Plate Application

GB/T1591 Q345B Steel Plate are used in Construction of Bridges,

GB/T1591 Q345B (Q355B) Low-alloy High-strength Steel PlateGB/T1591 Q345B (Q355B) Low alloy High strength Steel Plate Other Name

GB/T1591 Q345B Carbon Structural Steel Plate, GB/T1591 Q345B High Strength Structural Steel Plate, GB/T1591 Q345B Carbon Steel plate, GB/T1591 Q345B Structural Steel Plate.

GB/T1591 Q345B (Q355B) Low-alloy High-strength Steel PlateAdditional 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.