Jinan Shagang Steel Group Co.,Limited

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Galvanized I-beam

Introduction

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sales04@jnsgsteel.cn

◉ Product Details

Product name: Galvanized I-beam

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

Standard: GB/T706-2016

Technology: hot rolling, cold rolling.

Processing methods: bending, welding, uncoiling, cutting, punching, galvanizing, plastic spraying, anti-corrosion, polishing, quenching and tempering rolling or as per customer requirements

Usage: Widely used in industrial profiles, in aerospace, rail transit, construction and vehicle manufacturing, 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：

牌号	化学成分， % ， ≤						屈服强度	抗拉强度	伸长率	180°弯曲试验
牌号	碳 C	硅 Si	锰 Mn	磷 P	硫 S	铝Alt	ReL/Mpa	Rm/Mpa	A50mm/%	弯心直径
Q235	0.17	0.35	1.40	0.040	0.040		≥235	370~500	≥26	a
Q345	0.20	0.50	1.70	0.035	0.035		≥345	470~630	≥21	2a

牌号	化学成分(重量百分比)
	Chemicai composition(WT%)
	碳	锰	镍	硅	磷	硫	铬	铜
	(C)	(Mn)	(Ni)	(Si)	(P)	(S)	(Cr)	(Cu)
16Mn	0.13～0.19	1.20～1.60	≤0.30	0.20～0.60	≤0.030	≤0.030	≤0.30	≤0.25

牌号	化学成分， %， ≤						屈服强度	抗拉强度	伸长率
	碳 C	硅 Si	锰 Mn	磷 P	硫 S	钛Ti	ReL/Mpa	Rm/Mpa	A80mm/%
DX51D+Z	0.12	0.50	0.60	0.100	0.045	0.30		270~500	≥22
DX52D+Z	0.12	0.50	0.60	0.100	0.045	0.30	140~300	270~420	≥26
DX53D+Z	0.12	0.50	0.60	0.100	0.045	0.30	140~260	270~380	≥30
DX54D+Z	0.12	0.50	0.60	0.100	0.045	0.30	120~220	260~350	≥36
DX56D+Z	0.12	0.50	0.60	0.100	0.045	0.30	120~280	260~350	≥39
DX57D+Z	0.12	0.50	0.60	0.100	0.045	0.30	120~170	260~350	≥41
S280GD+Z	0.20	0.60	0.70	0.100	0.045		≥280	≥360	≥18
S320GD+Z	0.20	0.60	0.70	0.100	0.045		≥320	≥390	≥17
S350GD+Z	0.20	0.60	0.70	0.100	0.045		≥350	≥420	≥16

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