High Quality Black Square Pipe Iron Rectangular Tube Welded Galvanized Square Steel Pipes

Product Description

Hot Selling Q235 Square Steel Tube Hollow Section Black Carbon Steel Product Description

Thick wall square & rectangular tube specification table
Name of product	Size	Wall thickness	Name of product	Size	Wall thickness
Square tubes	20*20	1.3-2.5	Rectangular tubes	20*30	1.3-2.75
	25*25	1.3-2.75		20*40	1.3-2.75
	30*30	1.3-2.75		25*40	1.3-2.75
	40*40	1.3-3.75		30*50	1.3-4.75
	50*50	1.3-5.75		30*60	1.3-4.75
	60*60	1.3-5.75		40*50	1.3-4.75
	70*70	1.3-5.75		40*80	1.3-4.75
	80*80	1.3-5.75		50*70	1.3-4.75
	90*90	1.3-5.75		50*80	1.3-4.75
	100*100	1.5-12		60*90	1.3-4.75
	120*120	2.5-12		50*100	1.3-5.75
	140*140	2.75-16		50*150	1.3-5.75
	150*150	2.75-16		60*160	1.3-5.75
	160*160	3.0-16		100*150	2.5-16
	180*180	3.0-16		100*200	2.5-16
	200*200	3.0-16		100*250	2.5-16
	250*250	4.75-20		150*300	4.5-16
	300*300	4.75-20		200*300	5.5-20
	400*400	4.75-20		200*400	5.5-20
	500*500	4.75-20		400*600	5.5-20

Size: 20*20mm-600*600mm, 20*40-400*600mm
Wall thickness: 1.2-20mm
Length: 3-12m
Standards: ASTM A500, EN10219, EN10210, JIS3466, GB/T6728
Materials: Gr.A, Gr.B, Gr.C, S195, S235, S355, STK400/SS400, Q195, Q235, Q345
Certifications: ISO 9001:2008, SGS, BV, CCIC and more
Marking: according to client's requirement or mill standard
Packing:
1. Packed by hexagonal seaworthy bundles packed by steel strips.
2. Small sizes nested into big sizes.
Technical: cold formed or hot rolled
Trade term: FOB, CFR, CIF, EXW, FCA
Payment term: T/T, LC
Delivery lead time: 15-45 days (based on quantity) after receiving advanced payment by T/T or LC.
Main market: Southeast Asia, South Asia, Middle East, Europe, Middle & South America, Africa and Oceania

Detailed Photos
Product Test
Packaging & Shipping
Certifications
Customer And Exhibition
Our Advantages Who we are?
(1) China top 500 enterprises industry leading brands
(2) 15 years experience in manufacturing and exporting steel products since 2000
(3) For 10 consecutive years of the first production and sales

What we own?
8000 employees
59 ERW steel pipe production lines
36 hot-dip galvanized steel pipe production lines
24 square and rectangular steel pipe production lines
18 SSAW steel pipe production lines
16 steel-plastic complex steel pipe production lines
9 hot-dip galvanized square and rectangular steel pipe production lines
5 seamless steel pipe production lines
3 national accredited laboratory
1 Tianjin government accredited business technology center

---

>> Factory Wholesale Best 281b 301b 301h LED Full Spectrum Greenhouse Foldable Plant Lamp Agriculture Dimmable 600W 800W 8 Bar LED Grow Light
>> Hot Sale Cartoon Model Festival Holiday Gift Toy Inflatable Bear (AQ5689-1)
>> High-Quality CNC Hydraulic Bending Machine with a Pressure of 8 Tons and a Worktable Length of 2.5 Meters for Sheet Metal Industry
>> Aluminum Foil Mesh For Electric Appliance
>> Fish Hunter DV3B Fishing Soft Plastic Lures Fishing Bait Needle Tail Fishing Swim bait
>> Eco Design Ready Defra Approved CE Approved Multifuel Stove S107-G
>> Mqf5160zxxd4 Garbage Truck with Detachable Carriage and Auxiliary Garbage Bin
>> Custom High Quality OEM Customized Powder Metallurgy Sintering Spline Shaft
>> Industrial New Model YFMA-850 Automatic Feeding Hydraulic Press Laminating Machine for PET BOPP Material
>> Particle Board Making Machinery High Productivity Production Line
>> Architectural Planning Design Model of a Hotel (JW-92)
>> Replacing Car Front Fender universal for Nissan B18 Almera 2019 OEM F3100-6LAMA/F3101-6LAMA
>> 1.5kw/2HP Aluminum Shell Double Capacitor Single Phase AC Asynchronous Motor
>> Cheap Wireless Interphone 3-Frequencies Radio Interphone
>> honey bee separator electric honey wax separator
>> Chinese Manufacturer Directly Provide CAS No. 9010-81-5 Acrylonitrile-Butadiene NBR Latex for Medical Gloves
>> EMC Approved 5W 7W LED GU10 Bulb Dimmable LED Spotlight
>> 180kn Xz180 Horizontal Directional Drilling Machine for Cable Laying out
>> Load Sensitive Proportional Directional Valve Same as Hawe
>> Wholesale Gradient Color Race Sport Adult Motorcycle Full Helmet