Welded Steel Plate for Railway Bridges and Highway Bridges

Welded Steel Plate for Railway Bridges and Highway Bridges

Stock:
Not Stock
Specification:
as customers′ requirement
Origin:
Nanjing, China

Product Description

Application:The steel plate has the comprehensive performance advantages of high strength, high toughness, good weldability, earthquake resistance, weather resistance, etc. It can be widely used in the construction of welded steel structures, such as railway bridges and highway bridges. 500MPa grade high performance bridge steel has been widely used in United States, European countries, Japan and other countries and regions.

1.Typical Grade, Specification and Execution Standard

Grade	Specification /mm	Delivery condition	Standard
Q460qD/E/F(including Z property)	(6~60)×(1600~4700)×L	TMCP TMCP+T	GB/T 714 OR Technical agreement
Q500qD/E/F(including Z property)

2.Chemical Composition (wt.%)

C	Si	Mn	P	S	Nb+V+T	Cr+Ni+Cu	Mo	Alt	CEV	Pcm
≤0.11	≤0.55	1.00~1.70	≤0.015	≤0.005	≤0.18	≤1.10	≤0.25	≥0.020	≤0.45	≤0.22

Note:1. CEV(%)=C+Mn/6+(Cr+Mo+V)/5+(Cu+Ni)/15
2. Pcm(%)=C+Si/30+(Mn+Cu+Cr)/20+Mo/15+Ni/60+V/10+5B

3.Mechanical Property

3.1Mechanical properties comply with the requirement of GB/T 714 standard.

Grade	Tensile test(Transverse)				Impact test(Longitudinal)


	ReL/MPa		Rm/MPa	A/%	Temperature/ºC	KV2/ J


	Thickness/mm
	≤50	>50~100
Q460qD	≥460	≥450	≥570	≥18	-20	≥120
Q460qE					-40	≥120
Q460qF					-60	≥47
Q500qD	≥500	≥480	≥630	≥18	-20	≥120
Q500qE					-40	≥120
Q500qF					-60	≥47

Special requirements shall be executed according to the technical agreement between two parties; when the yield point is not obvious, Rp0.2 can be used to replace the lower yield strength.

3.2Mechanical property of typical specification

Grade	Thickness/mm	Tensile test(Transverse)				Impact test(Longitudinal) (-40ºC)KV2 / J	Through-thickness tension/%	Bending test D=3a,180°
		Tensile test(Transverse)
		ReL/MPa	Rm/MPa	A/%	Yield ratio
Q460qEZ35	16	513	635	20	0.81	214 231 263	64 68 72	No crack
	30	509	624	21	0.81	202 255 223	68 71 66	No crack
	60	489	599	23	0.82	214 235 256	73 75 79	No crack
Q460qEZ35	16	531	668	21	0.79	285 231 286	62 62 64	No crack
	32	539	664	20	0.81	302 305 250	75 74 75	No crack
	50	527	651	21	0.81	312 300 309	60 77 75	No crack
	60	539	662	25	0.81	234 222 249	80 77 79	No crack

FAQ
Q: What kind of work does your company do?
A: Our company is a professional manufacturer. We mainly produces are steel plate and steel tube.
Q: How can you assure your quality?
A: 1.We can provide you certificate of quality accordingly.
2.We are willing to accept the third party inspection, such as SGS,BV,CE and so on.
Q: Can you accept customization?
A: Yes. If you have special requirements on products or packages, we can do customization for you.
Q: Can you accept trail orders?
A: Generally our MOQ is 1 ton. But if you want to place a trail order as the beginning of our cooperation, we can accept smaller quantity at first. Surely we will have further and longer partnership after the beginning.
Q: Can you provide samples for checking before order?
A: Free samples can be provided as you required. You need only to bear the freight cost. If you want to know more details,please contact our sales online.
Q:How long time is the shortest delivery?
A:For stock material,the delivery time is just 3-5 working days.
And for customized product,it will takes 25-35 working days based on different size and quantity.
Q:What's the terms of payment?
A:We can accept T/T,100% irrevocable LC at sight,Western Union,etc,
If our quality is unapproved,we need and will refund full payment to customers
Q.How can we get your price ?
A:We need below information to quote for you:
1. Product Name
2. Standard
3. Material Grade (Chemical Composition)
4. Dimension
5. Quantity
6. The Drawing for Special Parts

Welded Steel Plate for Railway Bridges and Highway Bridges

Welded Steel Plate for Railway Bridges and Highway Bridges

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