- JINAN XIN JIYUAN SPECIAL SECTION TUBE CO.,LTD.
-
Ji'nan, Shandong, China
- Main products: 700L square hollow sections, sharp corner square hollow sections, seamless steel pipes, S650MC square steel tubes, FPC certificate square hollow sections, S355J2H STEEL TUBING, CE EN10210 SQUARE HOLLOW SECTIONS, laser cutting OF STEEL PLATE, laser drilling of steel profiles, ASTM A500 STEEL HOLLOW SECIONS, Machiend product, EN10210 SQUARE HOLLOW SECTIONS
Home > Products > SQUARE ＆ RECTANGULAR STEEL PIPES > GB/T 6728 Q345B STEEL PIPE
GB/T 6728 Q345B STEEL PIPE
- tianjin or qingdao
- T/T L/C Western Union Other
- 10 days
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Product Details
| Place of Origin | China | Certification | CE | |
| Thickness | 1, 40 | Application | Structure Pipe | |
| Surface Treatment | Other, black,paint,oiled,galvalnized,stainless | Technique | Hot Rolled | |
| Alloy Or Not | Is Alloy | |||
| Secondary Or Not | Non-secondary | |||
| Special Pipe | Thick Wall Pipe | Section Shape | Other, rectangular,square,circular | |
| Q345B STEEL PIPE size 1 | 150*300*10 Q345B steel pipe | Q345B STEEL PIPE size 2 | 150*300*12 Q345B steel pipe | |
| Q345B STEEL PIPE size 3 | 150*300*14 Q345B steel pipe | Q345B STEEL PIPE size 4 | 150*300*16 Q345B steel pipe | |
| Q345B STEEL PIPE size 5 | 100*100 Alloy Q345B steel pipe | Q345B STEEL PIPE size 6 | 150*150 Q345B steel pipe | |
| Q345B STEEL PIPE size 7 | 200*200 Q345B steel pipe | Q345B STEEL PIPE size 8 | 400*400 Q345B steel pipe | |
| Q345B STEEL PIPE use 1 | construction machinery | Q345B STEEL PIPE use 2 | bridge construction |
Product Description
laser processing according to the drawings
PRODUCTS
SQUARE HOLLOW SECTION SIZE:20*20MM~800*800MM
RECTANGULAR HOLLOW SECTION SIZE:20*30MM~600*800MM
STEEL GRADE:Q235B,Q345B,Q345C,Q345D,S275,S355JR,S355J0,S355J2,STKP400,Q450NQR1,SPA-H,Q420,Q460C,C350
CERTIFICATE
CE EN10210-1:2006
CE EN10219-1:2006
CE EN10204.3.1
CE EN10204.3.2
ABS Certificate (American Bureau of Shipping)
ISO9001:2008
SGS BV etc.
STANDARDS
GB/T 222-2006 Permissible tolerances for chemical composition of steel products |
GBT 1591-2018 High strength low alloy structural steels |
GB/T 700-2016 Carbon structural steels |
GB/T 3274-2017 Hot-rolled, sheets and strips of carbon structural steels and high strength low alloy structural steels |
GB T 6728-2017 Cold forming hollow sectional steel for general structure |
GB-T699-2015 Quality carbon structure steels |
GB/T8162-2018 Seamless Steel tubes for structural purposes |
GB8163-2018 Seamless Steel tubes for liquid service |
GB/T 34201-2017 Seamless hot-rolled square and rectangular steel tubes for structure |
GB/T 3094-2012 Cold drawn shaped steel tubes |
GB/T3091-2015 Welded steel pipes for low pressure liquid delivery |
GB/T13793-2016 Steel pipes with a longitudinal electric (resistance) weld |
JG/T 178 -2005 Cold-formed steel hollow sections for building structures |
GB/T 4171-2008 Atmospheric corrosion resisting structural steel |
GB/T 3273-2015 Hot-rolled steel plates and strips for automobile frames |
ASTM A36/A36M-2019 Standard specification for carbon structural steel |
ASTM A618-21 Standard Specification for Hot-Formed Welded and Seamless High-Strength Low-Alloy Structural Tubing |
ASTM A 53 -2012 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless |
ASTM A513-06b Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing1 |
ASTM A123/A 123 M -09 Standard Specification for Zinc (Hot -Dip Galvanized ) Coating on Iron and Steel Products |
ASTM A653-2023 Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvanized) By the Hot-Dip Process |
ASTM A1011/A1011M-2017 Standard specification for steel, sheet and strip, hot-rolled, carbon, structural, high-strength low-alloy,high-strength low-alloy with improved form-ability, and ultra-high strength |
ASME SA333:2013 Standard specification for seamless and welded steel pipe for low-temperature service and other applications with required notch toughness |
AS NZS 1163 -2016 cold -formed structural steel hollow sections |
DIN EN10346-2009 |
EN 10210-1:2006 Hot finished structural hollow sections of non-alloy and fine grain steels |
EN 10210-2:2006 Hot finished structural hollow sections of non-alloy and fine grain steels |
EN 10219-1:2006 Cold formed welded structural hollow sections of non-alloy and fine steels |
EN 10219-2:2006 Cold formed welded structural hollow sections of non-alloy and fine steels |
EN10025-1:2004 Hot rolled products of structural steels |
EN10025-2:2004 Hot rolled products of structural steels |
| Model List | ||||||
GB/T6728 Q345B STEEL PIPE | SHS | RHS | T(MM) | SHS | RHS | T(MM) |
| 15*15 | 1.2 | 40*120 | 60*140 | 2.5-4.0 | ||
| 20*20 | 15*20 | 1.2-1.5 | 50*90 | 70*100 | 4.5-6.0 | |
| 20*20 | 1.8-2.2 | 50*120 | 80*180 | 6.5-8.0 | ||
| 20*20 | 2.3-2.5 | 50*150 | 80*200 | 8.5-12.0 | ||
| 20*20 | 20*30 | 1.2 | 60*90 | 80*200 | 12.0-28.0 | |
| 25*25 | 20*40 | 1.5 | 60*160 | 120*200 | 3.0-6.0 | |
| 25*25 | 25*40 | 1.8 | 80*240 | 180*260 | 6.5-8.0 | |
| 30*30 | 25*50 | 2.0-2.3 | 80*260 | 200*250 | 8.5-12.0 | |
| 40*50 | 30*40 | 2.5-3.0 | 100*180 | 280*280 | 12.0-14.0 | |
| 40*50 | 30*60 | 3.5-4.0 | 100*250 | 280*280 | 14.0-28.0 | |
| 40*40 | 30*50 | 1.5 | 140*140 | 100*120 | 2.5-3.5 | |
| 40*40 | 30*50 | 1.7 | 150*150 | 100*150 | 3.75-6.0 | |
| 50*50 | 30*50 | 1.8-2.3 | 160*160 | 80*160 | 7.5-8.0 | |
| 50*50 | 40*60 | 2.5-4.0 | 180*180 | 100*200 | 8.5-12.0 | |
| 50*50 | 40*60 | 4.5-5.0 | 180*180 | 100*200 | 13.0-16.0 | |
| 50*50 | 40*60 | 5.25-6.0 | 180*180 | 100*200 | 3.0-4.0 | |
| 60*60 | 40*80 | 1.8 | 180*180 | 100*200 | 4.25-6.0 | |
| 70*70 | 40*100 | 2.0-2.2 | 200*200 | 100*300 | 7.5-10 | |
| 70*70 | 50*70 | 2.5-4.0 | 220*220 | 150*200 | 11.5-12 | |
| 80*80 | 50*80 | 4.5-5.0 | 220*220 | 150*250 | 12.5-16 | |
| 50*100 | 60*80 | 5.5-6.0 | 220*220 | 150*250 | 18-30 | |
| 50*100 | 60*100 | 7.5-8.0 | 220*220 | 150*250 | 3.5-4 | |
| 90*90 | 60*100 | 1.8 | 250*250 | 200*300 | 4.5-5.0 | |
| 90*90 | 60*100 | 2.0-2.2 | 250*250 | 200*300 | 5.75-8.0 | |
| 100*100 | 60*120 | 2.3-2.5 | 300*300 | 250*400 | 9.5-12 | |
| 100*100 | 60*120 | 2.5-4.0 | 300*300 | 250*400 | 12.5-15 | |
| 100*100 | 80*100 | 4.5-5.0 | 350*350 | 200*400 | 15.5-28 | |
| 100*100 | 80*120 | 5.5-6.0 | 350*350 | 200*400 | 4.5-6.0 | |
| 100*100 | 80*120 | 6.5-8.0 | 350*350 | 200*400 | 7.5-12 | |
| 100*100 | 80*120 | 9.5-15.0 | 400*400 | 300*500 | 12.5-14 | |
| 120*120 | 75*150 | 2.5-3.0 | 400*400 | 300*450 | 15.5-18 | |
| 130*130 | 80*140 | 3.5-4.0 | 400*400 | 300*450 | 18-25 | |
| 130*130 | 80*140 | 4.5-5.0 | 400*400 | 300*450 | 26-32 | |
| 130*130 | 80*140 | 5.5-6.0 | 400*400 | 300*450 | 5.0-7.5 | |
| 130*130 | 80*140 | 6.5-8 | 500*500 | 200*600 | 7.75-9.75 | |
| 130*130 | 80*140 | 9.0-12 | 500*500 | 300*600 | 11.5-14 | |
| 30*30 | 20*40 | 3.5-4 | 600*600 | 400*500 | 14.5-16 | |
| 40*40 | 20*40 | 4.5-5 | 600*600 | 400*600 | 16.5-18 | |
| 60*120 | 20*40 | 7.5-8 | 600*600 | 20-25 | ||
| 200*400 | 20*40 | 4.0 | 600*600 | 26-32 | ||
packing
A.Bundling:We can bundle steel structural hollow sections together using straps or bands for easy handling and transportation.
B.Bulk: For some orders, we can ship steel structural hollow sections in bulk, maximizing efficiency and reducing packaging waste.
C.Waterproof Plastic Wrap:To protect steel structural hollow sections from moisture and environmental elements during transit or storage, we can wrap them securely in waterproof plastic.
D.Customized Packaging:We also offer customized packaging solutions tailored to your specific requirements.Whether you need special labeling,additional protection,or unique packaging configurations,Xin Jiyuan can accommodate your requests to ensure your satisfaction.
Factory:
Xin Jiyuan’s factory is equipped with three production lines,providing us with ample capacity to meet any customer demand.At the same time,we also maintain ample inventory.Regardless of the size of the customer's needs,we can offer stable and dependable inventory support to ensure the smooth operation of their business.
Laboratory:
Xin Jiyuan has our own laboratory,which can carry out various tests on the samples.
A.Chemical Component Analysis (C,Si,Mn,S,P)
B.Mechanical Properties (Tensile Strength, Yield Strength, Elongation )
C.Inspect Every products' Length ,Size and others,we will guarantee product quality of products.
Certificate:
Xin Jiyuan's products have passed the TUV ISO9001:2015 quality management system certification, Lloyd's EU CE certification and Singapore FPC certification, and passed the factory certification of SGS, BV and other international quality testing institutions.
Transportation:
Application:
GB/T 6728 Q345B STEEL PIPE GB/T 6728 Q345B STEEL PIPE GB/T 6728 Q345B STEEL PIPE
GB/T 6728 Q345B STEEL PIPE GB/T 6728 Q345B STEEL PIPE GB/T 6728 Q345B STEEL PIPE
Contact Us
- JINAN XIN JIYUAN SPECIAL SECTION TUBE CO.,LTD.
- Contact namelily zhao Chat Now
- AddressNo.11889,Jingshi West Road, Ji'nan, Shandong
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