Shandong, China
Business Type:
Manufacturer/Factory, Trading Company
Management System Certification:
ISO 9001, ISO 9000
OEM/ODM Service
Sample Available

Steel Tube, Steel Hollow Section, Square Steel Tube manufacturer / supplier in China, offering Welded Steel Tube with Black Surface (square shape), 16ga Self Nailing Plates, 16ga Self Nailing Plate and so on.

Gold Member Since 2015
Audited Supplier

Welded Steel Tube with Black Surface (square shape)

Get Latest Price
Purchase Qty. / Reference FOB Price
20-39 Tons US $630
40+ Tons US $620
Production Capacity: 200000mt Per Year
Transport Package: Bulk Packing, Anti-Rust Oil Covered
Payment Terms: L/C, T/T, Western Union
Type: Welded
Technique: ERW
Material: Alloy Steel
Surface Treatment: Black
Usage: Construction & Decoration
Section Shape: Square

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Basic Info

Model NO.: 100x100mm x 8mm x 6meters
Size: 100X100mm
Thickness: 8mm
Length: 6meters
Steel Grade: Q345/16mn/St52
Yield Strength: 345MPa - 355MPa
Trademark: Wanrunda
Specification: 100x100x8mm x 6meters
Origin: Tianjin
HS Code: 7306610000

Product Description

Qingdao Wanrunda Imp and Exp Co.,ltd mainly export 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


Product introduction:
Commodity: Big size square steel hollow section
Dimension: 100x100mm
Wall thickness: 8mm
Length: 12meters( normal length6000mm, accept fixed length)
Material:  Q345/16Mn/St52
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
(%)
Q195CMnSiSP
 
0.06-0.120.25-0.50≤0.30≤0.050≤0.045
 
Tensile strength: 315-430(Mpa)
Yield strength:195(Mpa)
Elongation:33
Q235CMnSiSP
 
0.12-2.00.3-0.70≤0.30≤0.045≤0.045
 
Tensile strength: 375-460(Mpa)
Yield strength:235(Mpa)
Elongation:26
Q345CMnSiSPV
≤0.20≤1.70≤0.55≤0.040≤0.0400.02-0.15
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)
10x100.5-1.010x200.6-1.0100.5-1.0
12x120.5-1.012x250.6-1.0120.6-1.0
16x160.6-1.220x400.6-1.6160.6-1.0
19x190.6-1.525x500.8-2.75190.6-1.5
20x200.6-1.630x500.8-3.0200.6-1.5
25x250.8-2.7530x600.8-3.021.50.6-1.5
30x300.8-2.7540x601.0-4.0250.8-2.75
32x321.0-3.040x801.5-4.0270.8-2.75
38x381.0-3.050x751.5-4.0320.8-3.0
40x401.0-3.550x1002.0-6.038.11.0-3.0
50x501.0-5.050x1252.0-6.042.51.0-3.5
60x601.0-6.050x1503.0-6.048.41.0-5.0
63.5x63.51.0-6.060x801.5-6.050.81.0-5.0
70x701.5-6.060x1002.0-6.063.51.0-6.0
75x751.5-6.060x1202.0-6.0681.2-6.0
80x802.0-6.075x1002.0-6.0701.2-6.0
90x902.0-6.075x1252.0-6.0731.4-6.0
100x1002.3-6.075x1503.0-6.0761.4-6.0
120x1203.0-6.080x1202.0-6.0802.0-6.0
125x1253.0-6.080x1603.0-6.0892.0-6.0
150x1503.5-8.0100x1504.0-12902.0-6.0
200x2004.0-12100x1754.0-12952.0-6.0
250x2505.0-12100x2004.0-121002.3-6.0
300x3005.0-14150x2004.0-121022.3-6.0
350x3506.0-14150x2504.0-141082.3-6.0
400x4006.0-18150x3005.0-161102.3-6.0
500x5008.0-20200x3005.0-161142.3-6.0
600x6008.0-20200x4006.0-161333.0-6.0

 

 
300x5006.0-201403.0-8.0

 

 
400x6008.0-201523.0-8.0

 

 

 

 
1653.0-8.0

 

 

 

 
1903.5-12

 

 

 

 
2004.0-12

 

 

 

 
2194.0-12

 

 

 

 
2734.0-14

 

 

 

 
3255.0-16

 

 

 

 
3775.0-16

 

 

 

 
4266.0-20
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


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