S355 Square Steel Hollow Section with Oiled Surface

• Customization: Available
• Type: Welded
• Technique: Hot Rolled
• Model NO.: 160X160x7.1mm x 11.8meters
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Construction & Decoration
• Section Shape: Square
• Dimension(mm): 10X10-600X600;10X20-400X600;10-720
• Steel Grade: S235/S355/16mn/ASTM A500/Ss400/A53/A36
• Wall Thickness(mm): 1.5-20mm
• Length: Normal 6 Meters, Accept Fixed Lenght
• W.T Tolerance(mm): +/- 0.2mm
• Surface: Hot Rolled/Black Anneal/Anti Rust Oil
• Transport Package: Anti-Rust Oiled;Be Packed in Bundle by Steel Strip
• Specification: SHS:20X20-600X600mm,RHS:20X30-400X600mm,CHS:19-720
• Trademark: Wanrunda
• Origin: Qingdao and Tianjin
• HS Code: 7306610000
• Production Capacity: 10000mt Per Month

Product Description

Qingdao Wanrunda Imp and Exp Co.,ltd mainly supply and export various of Metal and Steel material (such as Galvanized steel pipe/tube; Welded steel pipe/tube; Square pipe/tube; Seamless steel pipe; Stainless steel tube; Galvanized steel coil; Stainless steel coil; Angle steel; H beam; Channel beam; C beam/Riffled sheet; Square bar etc) .   
At the same time we operate metal processing business, such as stamping, bending, welding, drilling, galvanizing, oiling, painting, powder coating etc.


(This large square steel hollow section exported to India market, the size is 160x160x7.1mm x 11.1meters, material is Q345B. Surface anti-rust covered.The application could be structure steel, machine usage etc)


Our Product introduction:
Commodity:  HOT ROLLED STEEL HOLLOW SECTION
Dimension range: SHS: 20X20-600X600mm, RHS:20X30-400X600mm,CHS:OD19-720mm
Wall thickness:  1.50-20 mm
Length:  1-12meters( normal length6000mm, accept fixed length)
Material:  Q195 and S235 Mild Steel , S355 Low Alloy steel, ASTM A500 Gr.B,
            ASTM A36, S355JRH,SS400
Surface treatment:  Anti-rust Oiled surface,Black
Thickness tolerance:  +/- 0.2mm
OD. Tolerance:  +/- 0.2mm 
Technique:  Hot rolled
Application: construction,Steel structure, Road sign,Steel frame,light industry, automobile industry, agriculture, etc.
MOQ:  10MT
Package:  Surface to be oiled and be packed in bundle, wrapped with steel strips
Payment term:  T/T or L/C at sight
Delivery time:  within 15-20days after receiving the deposit
Remark:  Special spec is available


Mechanical character & Chemical element of normal material:

Material Chemical Composition (%)	Q195	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 strength:195(Mpa)
		Elongation:33
	S235	C	Mn	Si	S	P
		0.12-2.0	0.3-0.70	≤0.30	≤0.045	≤0.045
		Tensile strength: 375-460(Mpa)
		Yield strength:235(Mpa)
		Elongation:26
	S355	C	Mn	Si	S	P	V
		≤0.20	≤1.70	≤0.55	≤0.040	≤0.040	0.02-0.15
		Tensile strength: 470-630(Mpa)
		Yield strength:345(Mpa)
		Elongation:21

Normal dimension of steel pipe
Square (SHS)		Rectangular(RHS)		Circle (CHS)
Out dia. (mm)	Wall thickness (mm)	Out dia. (mm)	Wall thickness (mm)	Out dia. (mm)	Wall thickness (mm)
10x10	0.5-1.0	10x20	0.6-1.0	10	0.5-1.0
12x12	0.5-1.0	12x25	0.6-1.0	12	0.6-1.0
16x16	0.6-1.2	20x40	0.6-1.6	16	0.6-1.0
19x19	0.6-1.5	25x50	0.8-2.75	19	0.6-1.5
20x20	0.6-1.6	30x50	0.8-3.0	20	0.6-1.5
25x25	0.8-2.75	30x60	0.8-3.0	21.5	0.6-1.5
30x30	0.8-2.75	40x60	1.0-4.0	25	0.8-2.75
32x32	1.0-3.0	40x80	1.5-4.0	27	0.8-2.75
38x38	1.0-3.0	50x75	1.5-4.0	32	0.8-3.0
40x40	1.0-3.5	50x100	2.0-6.0	38.1	1.0-3.0
50x50	1.0-5.0	50x125	2.0-6.0	42.5	1.0-3.5
60x60	1.0-6.0	50x150	3.0-6.0	48.4	1.0-5.0
63.5x63.5	1.0-6.0	60x80	1.5-6.0	50.8	1.0-5.0
70x70	1.5-6.0	60x100	2.0-6.0	63.5	1.0-6.0
75x75	1.5-6.0	60x120	2.0-6.0	68	1.2-6.0
80x80	2.0-6.0	75x100	2.0-6.0	70	1.2-6.0
90x90	2.0-6.0	75x125	2.0-6.0	73	1.4-6.0
100x100	2.3-6.0	75x150	3.0-6.0	76	1.4-6.0
120x120	3.0-6.0	80x120	2.0-6.0	80	2.0-6.0
125x125	3.0-6.0	80x160	3.0-6.0	89	2.0-6.0
150x150	3.5-8.0	100x150	4.0-12	90	2.0-6.0
200x200	4.0-12	100x175	4.0-12	95	2.0-6.0
250x250	5.0-12	100x200	4.0-12	100	2.3-6.0
300x300	5.0-14	150x200	4.0-12	102	2.3-6.0
350x350	6.0-14	150x250	4.0-14	108	2.3-6.0
400x400	6.0-18	150x300	5.0-16	110	2.3-6.0
500x500	8.0-20	200x300	5.0-16	114	2.3-6.0
600x600	8.0-20	200x400	6.0-16	133	3.0-6.0
		300x500	6.0-20	140	3.0-8.0
		400x600	8.0-20	152	3.0-8.0
				165	3.0-8.0
				190	3.5-12
				200	4.0-12
				219	4.0-12
				273	4.0-14
				325	5.0-16
				377	5.0-16
				426	6.0-20

Process flow of Rectangular and Square steel pipe:

OUR ADVANTAGE:
* Direct manufacture/factory to reduce intermediate links
* Competitive price with high quality
* Small and flexible order quantity requirement according to customer's situation
* Provide customize service, can make processing according to drawings
* Rich experience in exporting steel products and good credit and pucka sincere after-sales service


CONTAINER SHIPMENTS:

COMPANY INTRODUCTION:
QINGDAO WANRUNDA IMP AND EXP CO.,LTD is a special and experienced steel supplier and exporter, can manufacture according to ASTM,JIS,DIN,API standard. We have exported to Australia, Doha, Sri Lanka, India, Turkey, Kyrgyzstan, Russia, Canada, Poland, Middle east countries and African countries, We got very good reputation from all our cooperative clients;
We mainly manufacture and sale various kinds of steel pipe, include Welded pipe/Galvanized steel pipe/Pre-Galvanized steel pipe/Square and Rectangular hollow section/Furniture pipe/Warmhouse booth pipe/stainless steel pipe etc ; Steel coil include Pre-Galvanized steel coil and stainless steel coil; Steel profile include Angle steel/Channel steel/Steel checkered plate/Square steel/C-channel steel etc. We also deal with assorted products, such as Flange/Steel hinge/Plastic pipe plug and cap etc.