Galvanized Channel Steel
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◉ Product Details

Product name: Galvanized channel steel


Grade; q235b, q345b, 16mn, etc. Zinc layer thickness 15g, 80g, 120g, 150g, 240g

Standard: GB/T 707-1988


Technology: Hot rolled, cold rolled. Galvanized


Processing methods: bending, welding, uncoiling, cutting, punching, polishing, tempering rolling or as per customer requirements


Usage: Widely used in building structures, vehicle manufacturing, other industrial structures and fixed panels, etc.

Regular order: 25 tons or one container, you can also contact us for small quantities


Packaging: Standard seaworthy export packaging: waterproof paper + steel triple packaging + wooden box


Construction period; 7-15 days


chemical composition;


TrademarkChemical composition, %, not more thanYield StrengthTension strengthElongation180° bend test
CSiMnPSAltReL/MpaRm/MpaA50mm/%Bend center diameter
Q2350.170.351.400.0400.040
≥235370~500≥26a
Q3450.200.501.700.0350.035
≥345470~630≥212a


GRADELevelchemical composition,%Deoxygenation method
CMnSiSP
Q235AO.14~O.22O.30~O.65l0.300.050O.045F、b、Z
BO.12~0.200.30~O.701O.045
C≤0.080.35~O.800.0400.040Z
D≤0.170.0350.035TZ

 

GRADEQuality gradeChemical composition a.b (mass fraction)%
CSiMnPSNbVTiCrNiCuNMoBAla
Q345A≤0.20≤0.50≤1.700.0350.0350.070.150.200.300.500.300.0120.10
B0.0350.035
C0.0300.0300.015
D≤0.180.0300.025
E0.0250.020

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