Factory Direct Standard GB/T1591 Q345E H Beam for Construction

GB/T1591 high strength low alloy structural steel grade Q345E owned minimum yield strength at 345Mpa and tensile strength above 470Mpa. GB/T1591 Q345E H Beam are used in Construction of Bridges, Highway Construction and Other Engineering construction.

Q345E H Beam Application:

1. Petrochemical and electric power and other industrial equipment structure
2. Large span steel bridge components
3. Ships, machinery manufacturing frame structure
4. The train, automobile, tractor beam bracket
5. Port of conveyor belt, high speed damper bracket

Q345E Chemical Composition and Mechanical Property:

Grade	Chemical Composition (%)
	C	Mn≥	Si	P	S
GB/T1591 Q345E	0.18	1.70	0.50	0.025	0.020
Grade	Mechanical Property
	Tensile Strength(MPa)	Yield Strength(MPa)	% Elongation in 2 in.(50mm) min	Impacting Test Temperature(°C)
GB/T1591 Q345E	470-630	345	21	-40

Q345E H Beam Specification:

Standard: AISI, ASTM, BS, DIN, GB, JIS
Material: A36, SS400, SM490, Q 235B, st37-2, S235JR, Q345B, S355JR
Classification: HW, HM, HN
Technique: 1.Hot rolled 2.Welded
Web thickness     : 6mm-28mm
Web width: 100mm-900mm
Flange thickness: 5mm-21mm
Flange width: 50mm—408mm
Length: 6000mm-12000mmor cut as your requirement
We can supply any size based on customer's requirements

Additional Condition of GB/T1591 Q345E:

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,HIC test, NDT ,PWHT( Simulated Post Weld Heat Treatment),NACE0175,The Third Party Test (Such as SGS Test), Coated or Shot Blasting and Painting.

learn more:http://www.section-steel.com/News/Factory-Direct-Standard-GBT1591-Q345E-H-Beam-for-Construction.html

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