Product Details

Q345 Galvanized Rectangular Tube

1.Brief Information about Products

1)Which size we could manufacture?

Square tube:20*20-600*600 thickness:1.0-35mm

Rectangular tube:20*30-600*800 thickness:1.0-35mm

We could manufacture any size between the above data,for example 120*200*5MM, 250*400*8MM,300*800*20MM,600*600*16MM.

Special sizes square and rectangular tube is our advantages,you could tell me the sizes you need,we will manufacture steel tubes especially for you.Our MOQ is 2 pieces.

2)Which Standard and Material we could manufacture?

Standard:ASTM A500,EN10210,EN10219,AS1163,JIS G3466 and other standards according to customers’ requirements.

The mechanical property of common material for your reference

Steel Grade	Tensile Strength (Rm/Mpa)	Yield Strength (Rel/Mpa)	Elongation (A%)
Q235	≥410	≥235	≥25
Q345	375-500	≥345	≥20
20#(seamless)	470-630	≥245	≥20

3)What is our Quality Systerm?

We are ISO,CE certificated.We could provide high quality square and rectangular tube based on lowest price.

4)How will we inspect our goods?

After we finish manufacturing,we will inspect steel tubes.

a.Technical Properties:Dimensions,Flattening Test, Bending Degree, Twist,Radius of Corner,

We could guarantee all the technical requirements according to standard.

b.We could provide MTC(Including Chemical composition Mechanical property),these could guarantee the material.

c.Welcome our customer to our factory to inspect goods.If you need,you also could ask third party(SGS,BV) to inspect goods.

All the measures to show our determination to manufacture high quality steel tubes.

5)What is our payment terms?

T/T or L/C at sight

6)How about our delivery Time?

Pipe in stock:Within 7-10 days

Production of Square and Rectangular Pipe:Within 15-30 days

7)Company Information

Jinan Xin Jiyuan Special Section Co.,LTD locates in Jinan where is the capital of Shan Dong province. Our company established in 1997. We have 17 years’ experience in producing square pipe and rectangular pipe. In order to expand our company, we invest RMB 16 million to build our new factory in 2011. Our production lines can manufacture all sizes of pipes according customers’ requirements.

2. Standard of square and rectangular pipe:

GB/T3094-2012, GB/T6728-2002, ASTM A500, JIS G 3466, DIN EN 10210, GB/T178-2005

3. Technique:

Hot rolled, Cold rolled, ERW, High-frequency welded,Extruded.

4. Application:

(1).Machinery manufacture: glass machinery, agricultural machinery, textile machinery, papermaking machinery, food machinery, electrical equipment, sanitation equipment.

(2).Roads and Bridges: railway, aviation, expressway, overpass, road fence, traffic signs.

(3).Construction engineering: steel structure construction, sports venue, three-dimensional garage, exhibition hall.

(4).Decoration: wrought iron doors and windows, outdoor advertising, pavilion and vestibule, glass curtain wall.

(5).Transportation: automobile manufacture, ship manufacture, container, tricycle, tower crane.

5. Surface Allowed Deviation:

Assessment Criteria	First Grade			Second Grade
Wall thickness/t	4mm≤t≤10mm ±8%t	4mm≤t≤10mm ±8%t
	10mm≤t≤22mm ±6%t	10mm≤t≤22mm ±6%t
	Suitable for flat parts	Suitable for flat parts
Squareness	90°±1.0°	90°±1.5°
Corner radius of circular arc	t≤6mm(1.5-2.5)t
	6mm≤t≤10mm(2-3)t
	T>10mm(2.5-3.0)t
Concave and convex degree	≤5% side length		≤6% side length
Bending degree	≤1.5mm/m, total bending degree≤0.15% specified length		≤2mm/m, total bending degree≤0.2% specified length
Distortion degree	2mm+0.5mm/m		-
Scale accuracy	Ordinary precision 0- +50mm		Ordinary precision 0- +70mm
	Fine scale 0- +5mm		Fine scale 0- +15mm
Cutting quality	100mm≤side length≤300mm		100mm≤side length≤300mm
	Cutting slope≤3mm		Cutting slope≤4mm
	300mm<side length≤500mm		300mm<side length≤550mm
	Cutting slope≤3mm		Cutting slope≤6mm
	End without cutting burr		End with few cutting burr

6. Mechanical Property:

Yield Strength Grade	Wall thickness (mm)	Yield strength (Mpa)	Tensile strength (Mpa)	Elongation%	Impact work (J)
235	4-12>12-22	≥235	≥375	≥23	≥27
345	4-12>12-22	≥345	≥470	≥21	≥27
390	4-12>12-22	≥390	≥490	≥19	≥27

7.Main markets:

North America South America Eastern Europe Southeast Asia Mid East Eastern Asia Western Europe Central America Northern Europe Southern Europe South Asia
Domestic Market

8.Certification:

9.Why choose us?

High quality pipe with reasonable price.
Advanced test equipments and professional inspection measures to guarantee our quality.
Our products are widely used in construction, water supply and other fields.
The after-sale service is good, customers can buy our products without any worries.
We can produce different kinds of pipes according to customers’ requirements.
We have exported our products to many foreign countries. Our products are popular among these countries.
Professional staff can save your time and money.

Part of Warehouse

We have two big warehouse to guarantee stock of steel pipe.

Contact Information

Feel free to contact me if you have any questions.

Tube rectangular galvanized steel tube galvanized pipe

Profile seamless steel pipe carbon steel pipe square pipe

pipe square machine square tube steel pipes stainless steel tube

free asian tube stainless steel pipejapanese tube steel tube

you jizz tube galvanized steel tubes square tubing tube japan japanese tube 10

tube 8 free hot jizz tube shs pipe tube 4 inches free japanese tube erw pipes

pse japan free pom tube pipe asian chinese tube square and rectangular tube

young girl tube asian tube bridge you tube com jizz tube cartoon tube

steel tubing gi pipe galvanized steel square pipe free japanese tube 18w iron pipe

free pom tube tube 4 x 4 stainless steel 2013 tube www tube com square steel pipe

seamless pipe stainless steel pipe steel tube steel products rectangular hollow section

building materials pipe weight formula square steel shs profile Tube mild steel welded square profile q235 steel astm standard hollow iron pipe rhs steel tube rhs square tube weight

lowest price square hollow section steel rectangular tube black iron tube sch40

welded rectangular steel pipe profile s355j2h welded square rectangular steel tube hollow pipes in tianjin china galvanized steel box section welded carbon steel pipe squar metal hollow price mild steel welded square profile/ steel tubular 100x100x12 steel tub esquar steel tube propertity s335 j2h square steel pipe 1.25" stainless steel tubes