200X400X12mm Rectangular Steel Pipe for Steel Structure

• Customization: Available
• Type: Welded
• Technique: ERW
• Model NO.: 200x400x12mm x12meter
• Material: Alloy Steel
• Surface Treatment: Black
• Usage: Construction & Decoration
• Section Shape: Rectangular
• Size: 200X400mm
• Thickness: 12mm
• Length: 12meters
• Steel Grade: Q235/Q345/16mn/St52/A500/A36/Ss400
• Yield Strength: 345MPa - 355MPa
• Transport Package: Bulk Packing, Anti-Rust Oil Covered
• Specification: 200x400x12mm x12meters
• Trademark: Wanrunda
• Origin: Tianjin
• HS Code: 7306610000
• Production Capacity: 200000mt Per Year

Product Description

Product introduction:
Commodity: Big size RECTANGULAR steel hollow section
Dimension: 200x400mm
Wall thickness:12mm
Length:12meters( normal length6000mm, accept fixed length)
Material:  Q345/16Mn/St52/A500/A36/SS400
Surface treatment:  Anti-rust Oiled surface,Black surface
Thickness tolerance:  +/- 0.25mm
OD. Tolerance:  +/- 0.25mm 
Technique:  Hot rolled
Application: construction,Steel structure, Road sign,Steel frame,light industry,
               automobile industry,fluid pipe,Hydraulic pipe, agriculture, etc.
MOQ:  10MT
Package:  Surface to be oiled, bulk packing
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
	Q235	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
	Q345	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

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.

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

Qingdao Wanrunda Imp and Exp Co.,ltd is a special manufacturer and exporter for steel products.
We mainly export Steel hollow section( SHS,RHS,CHS)/Galvanized steel pipe/ Pre-galvanized steel pipe/ Hot dip galvanized pipe/ Bright finished pipe/ furniture pipe/ Welded steel pipe/ Seamless steel pipe/ Spirale steel pipe/ Stainless steel tube.
Galvainzed steel coil/Stainless steel coil/Angle steel/H beam/Channel beam/ C beam/Riffled sheet/Square bar etc