ISO 4019 Thép Rỗng Phần 20X30 RHS Thép Rỗng Phần Trọng Lượng MS Vuông Và Hình Chữ Nhật Ống Thép Gi ống
33.3% giảm giá

ISO 4019 Thép Rỗng Phần 20X30 RHS Thép Rỗng Phần Trọng Lượng MS Vuông Và Hình Chữ Nhật Ống Thép Gi ống

33.3% giảm giá
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Nơi xuất xứ: Tianjin, ChinaỨng dụng: Cấu trúc ống

Hợp kim hay không: Không hợp kimMục Shape: Hình Chữ Nhật

Đặc biệt ống: API ốngĐộ dày: 0.8 - 12.75 mm

Tiêu chuẩn: bs, ASTMKỹ thuật: erw

Xử lý bề mặt: Mạ kẽmChế Biến Dịch Vụ: Uốn, Hàn, Cắt

Product name: Square and rectangular tubeKeyword: Galvanzied Steel Pipe

Shape: Square. RectangularSurface: Customer's Requirement

Usage: Construction StructureLength: 5.8m,6m or customized

Type: Galvanized, Welded Steel PipeTechnology: ERW Tube

Material: Q195/Q235/Q345Zinc coating: 40g/m2-560g/m2

Standard: BS EN10219, ASTM A513-2007Grade: Q195-Q345, Q235, Q345, Q195, A53-A369, A53(A,B), ST35-ST52, ST37, ST52, St37-2

Certification: APITolerance: ±3%

Đường kính bên ngoài: pre: 20*40-100*100 hot;19*19-300*200

 ISO 4019 steel hollow section 20x30 rhs steel hollow section weight ms square and rectangular steel pipe GI pipe



Product name

sqaure and rectangualr steel pipe galvanized

Pipe end

plain end

Pipe Length

5.8 meters,6meters or customized


SHS: 20*40-100*100mm, RHS: 19*19-300*200mm


Q195, Q235, Q235B, Q345,St37,St37-2, St52, SS400, STK500, ASTM A53, S235JR


ASTM A53, JIS G 3466, BS EN 10219, ASTM A500, ASTM A513, ASTM A36


galvanized (pre galvanized or hot dipped galvanized)

Zinc Coating

Pre galvanized:40-275g/m²
Hot dipped galvanized:210-560g/m²

Payment term

T/T, L/C, Western Union, Cash, etc


structural tubes, decorative tube, greenhouse pipes, fence post




1) Bared 2) Black Painted 3) Galvanized
4) Oiled 5) 3PE, FBE ,corrosion resistant coating .




Product details show


We have Four  production line with annual out put of 300,000 tons,

And we have two fast production line for the urgent orders.

Factory Show

Our factory covers an area of 48,800 square meters with multiple international levels

of productuion lines.Annual steel production capacity about 300,000MT.We have

260 staff, including 36 senior engineers and technicians.The company insists on

first-class quality, advanced testing equipment for customers to provide quality service.



These are our testing equipment.such as online ultrasonic automatic flaw detector,

2000 tons hydrostatic test machines and other important testing equipment.

All equipments ensure the quality.



Packaging: In bundled or In bulk or waterproof colth or According to customer requirement.



 Application:fence post ,structure pipe ,greenhouse pipe




Tianjin Huaruitai International Trading Co.,Ltd. is located in Huayuan Industrial Park,

Tianjin, China, a subsidiary of Ruijie Group. Now the company has two platforms

on with 8 skilled salesperson, dealing with a variety of inquiries, quotes,

reception with customers.At present, our main product are kinds of steel products,

such as galvanized pipe, spiral pipe, stainless steel pipe, seamless steel pipe

and steel coils, our main trageted markets are the Southeast Asia, the Middle East,

Europe, South America, North America, Central America and East Asia.



 At present,our steel pipe products have obtained many certificates:ISO9001,API-5L,

ISO14001 and OHSAS18001,etc.







Q: Are you a manufacturer?
A: Yes , we are a manufacturer, We have own factory, which is located in TIANJIN,CHINA.

We have a leading power in producing and exporting steel

pipe,galvanized steel pipe,hollow section,galvanized hollow section etc.

We promise that we are what you are looking for. 
Q:Can we visit your factory ?
A:Warmly welcome once we have your schedule we will pick you up .
Q: Do you have quality control?
A: Yes, we have gained BV, SGS authentication.
Q: Can you arrange the shipment?
A: Sure, we have permanent freight forwarder who can gain the best price from most ship

company and offer professional service.
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 25-45 days if the goods are not in stock,

it is according to quantity.
Q:How can we get the offer?
A:Please offer the specification of the product,such as material,size,shape,etc.

So wecan give the best offer.
Q:Can we get the some samples?Any charges?
A:Yes,you can get available samples in our stock.Free for real samples,

but customers need to pay the freight cost.
Q: How do you make our business long-term and good relationship ?
A: 1.We keep good quality and competitive price to ensure our customers' benefit.
2.We respect every customer as our friend and we sincerrly do business and make friends with them,

no matter where they come from.



About us

company philosophy:

Improvement of spiritual and material life of staff


Honesty, Cooperation, Mutual benefits, Win-win situation


Perfection, Creativity, Perseverance, Diligence


Operation Policies:


Satisfaction of both buyers and suppliers


Many a little makes a mickle


Perfect Service

 Contact us


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