ASTM A500 Grade B Black Square Structure Hollow Section Steel Pipe for Construction

• Type: Welded
• Technique: ERW
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Construction & Decoration
• Section Shape: Square
• Model NO.: TYT
• Transport Package: in Budles or According to Customer Request
• Specification: 20*20-400*400
• Trademark: Tianyingtai
• Origin: Tianjin, China
• HS Code: 7306309000
• Production Capacity: 500, 000tons/Year

Product Description

GBT 6728/ASTM A500 Black Hollow Section/ Steel pipe from Manufacture of Tianjin TYT Group

Product Description

I.Product Basic Info:
 

Product Name

Square/Rectangular Pipe

Material

Q195 similar to a283 GR.B, 040a10, ss330

Q235 similar to a283 GR.D, 080a15,CS type B

Q345 similar to a737 GR.B, SS400, S235JR

Material Chemical Composition

C	Mn	Si	S	P
0.06-0.12	0.25-0.50	<=0.30	<=0.050	<=0.045

Tensile strength: 315-430(Mpa)

Yield steength:195(Mpa)

Elongation:33

 

A Part of Specification Table of GBT 6728/ASTM A500 Black Hollow Section

Chemical Element Composition (%)
GB		ASTM	BS	C	Mn	Si	S	P
Q195	-	A285M Gr.B	S185	0.06~0.12	0.25~0.5	≤0.30	≤0.040	≤0.035
Q215	A	A285M Gr.C	040A12	0.09~0.15	^0.25~0.55	≤0.35	≤0.050	≤0.045
	B	A573M Gr.58	-				≤0.045
Q235	A	A570 Gr. A	S235JR	0.14~0.22	0.30~0.65	≤0.36	≤0.050	≤0.045
	B	A571 Gr. D	S235JRG1	0.12~0.2	0.30~0.70		≤0.045
	C	A283M Gr.D	S235JRG2	≤0.18	0.35~0.80		≤0.040	≤0.040
	D	-	-	≤0.17			≤0.035	≤0.035
Q345	A	A572 Gr.50	-	≤0.20	1.00~1.60	≤0.55	≤0.045	≤0.045
	B		50B				≤0.040	≤0.040
	C		50C				≤0.035	≤0.035
	D		50D	≤0.18			≤0.030	≤0.030

2.All items of our products and related tests as follow : 

1.ERW black round pipe (ASTM A53,GB..)
2.Weld black square/rectangular pipe(ASTM A500,GB,...)
3.Hot dip galvanized round pipe (BS 1387,ASTM A53,GB ,...)
4.Hot dip galvanized square/rectangular pipe(ASTM A500,GB...)
5.Pre-galvanized square/rectangular/round pipe,cold rolled black annealed or bright finished pipe.
6.Spiral steel pipe
7.Seamless pipe (ASTM A53,A106B,)
8.Oval pipe in galvanized and black surface
9.LTZ... special sizes pipe
10.Steel prop , steel plank,steel scaffolding pipe and accessories... steel constrctution material
11.Steel angle, Flat bar,round bar,sqaure bar, 
12.H,I,U,C,T,Y,W...steel beam/channel
13.Deformed steel bar
14.Hot rolled& cold rolled steel sheet/coil in black,galvanized,color coated surface.

3.Our services:.
1.Special design avaliable according to requirements.
2.All production processes are under ISO 9001-2008 strictly
3.Free sample 
4.Acceptable for any third party inspection(SGS,BV...)
5.OEM is ok.
6.Visit factory any time. 



4.Company profile
Tianjin Tianyingtai Steel Pipe Co.,Ltd is located in Jinghai, Tianjin, which is professinally  engaged in steel production, sales, steel processing and export business. We have production lines for various kinds of steel pipe, 10 processing production lines and 50 sets equipment for steel product. We not only can produce 5000,000 tons of various sizes of ERW pipe, square tube and rectangle tube, but also can produce steel braces, scaffolding, pedal and other metal products 500 million sets.
In order to provide customers with the sales, storage, transportion, and distribution service, we invest a lot in buiding large indoor steel distribtion centers to provide customers with convenient, efficient service, equipped more vehicles on transport team which offer 24 hours transportation services to customers.
We hope our product makes our customers satisfied with quality products and services.




5.Certification


6.Payment options

7.FAQ

Q1:What about the quality?

A:Third party inspections are always welcomed.as part of our dedication to the industry, we do

make arrangements for such inspections-ABS,DNV,BV,ect.

Q2: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock,

it is according to quantity.

Q3:Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight. 

Q4:May I customize the steel pipe?

A:Yes, you can, we can manufacture according to your requirement, you can send the CAD or

design drawing to us.

Q5:Any Value-added Services?

A:Fottunately for you,we are very experience in this industry.we have equipped our warehouse

with the necessities to perform in-house painting,coating,and pipe cutting.

Q6: How about the trade terms?

A: EXW, FOB, CFR, CIF will be accepted. 

Q7.Are you a factory or not?

A.Yes we are a leading pipe manufacturer whose factory in Tianjin. Welcome to visit our factory.

Q8.How about the Delivery Time?

A.The products will be produced since we get your deposit by T/T or your original L/C.For normal sizes,some stocks in our factory now,we can supply once you need.

Q9.What kind of payment does your company support?

A.T/T,100% L/C at sight,Cash,Western Union are all accepted.

Q10.What's your warranty?

A.Free samples;mill test certificate;shipping inspection or any third party inspection in your site. 

Contact us
Amy,Ma
Telk:[phone]
Tianjin tianyingtai Steel Pipe Co., Ltd.
Tianjin tianyingtai Imports&Exports Trade Co., Ltd.
http://tytgg2010a.en.made-in-china.com