Q235 Square Steel Tube Hollow Section Black Carbon Steel

• After-sales Service: Online Service
• Type: Welded
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry
• Model NO.: Square Steel-01
• Section Shape: Square
• Processing Service: Welding, Cutting, Bending
• Thickness: 0.5 - 16 mm
• Certificate: API, CE, ISO9001
• Length: 5.8-12m
• Transport Package: Standard Seaworthy Packing
• Trademark: Youfa
• Origin: China Tianjin
• HS Code: 7306690000
• Production Capacity: 300000 Metric Ton/Metric Tons Per Year

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