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Welded Stainless Steel square Tube

ASTM A321 Stainless Steel Welded Square Tube: Size 20x20mm, price negotiable, customization available.

Customizable Square Tubes: Available in 20mm, 25mm, and 30mm sizes, material including 316 stainless steel, surface can be brushed or polished.

Large Diameter Welded Stainless Steel Tubes: Outer diameter range 4mm-914.4mm, wall thickness 0.6mm-30mm, material covers 300 series (e.g., 304, 316, etc.)

ASTM Standard Welded Tubes: Compliant with A554/312/778 standards, materials include 201, 202, 304, 316L, etc.

Product Description

Standard	ASTM AISI GOST JIS EN BS DIN
Thickness	0.5-100MM or as customer's requirement
Diameter/Specification	20/30/40/48/50/57/60/89/108/300MM or as customer's requirement2020/30/30/4050/6060/8080/100/100/120*120/140/140/150/150 or as customer's requirement
Length	1000-12000MM or as customer's requirement
Technique	Welded, Seamless
Surface Finish	Polishing,annealing,pickling,bright or as customer's requirement

Square tube size(mm)		Rectangular tube size(mm)
16x16x0.4~1.5	200x200x6.0~12.0	10x20x0.6~1.5	80x100x2.0~8.0	600x200x10~28.0
18x18x0.4~1.5	220x220x6.0~140	14x21x0.6~1.5	120x60x2.5~10.0	600x400x10~28.0
20x20x0.4~1.5	250x250x6.0~14.0	15x30x1.5~1.5	120x80x2.5~10.0	600x500x10~28.0
25x25x0.6~2.0	280x280x6.0~14.0	15x38x0.6~1.5	150x100x2.5~12.0	800x400x10~28.0
30x30x0.6~4.0	300x300x8.0~14.0	20x30x0.6~2.0	180x150x2.5~12.0	800x600x10~28.0
34x34x1.0~2.0	320x320x8.0~14.0	20x40x0.8~2.0	200x100x4~12.0	800x700x10~28.0
35x35x1.0~4.0	350x350x8.0~14.0	20x50x1.0~2.0	250x150x6~12.0	1000x400x10~28.0
38x38x1.0~4.0	380x380x8.0~14.0	22x35x09~2.0	250x150x6~12.0	1000x500x10~28.0
40x40x1.0~4.5	400x400x8.0~14.0	25x40x0.9~3.75	250x100x6~12.0	1000x600x10~28.0
44x44x1.0~4.5	420x420x10.0~14.0	25x65x1.0~2.0	250x200x6~12.0	1000x800x10~28
45x45x1.0~5.0	450x450x10.0~14.0	30x40x1.0~3.75	300x150x6~12.0
50x50x1.0~5.0	480x480x10.0~14.0	30x45x1.0~3.75	300x200x6~12.0
60x60x1.5~5.0	500x500x10.0~14.0	30x50x1.0~4.0	300x250x6~12.0
70x70x2.0~6.0	550x550x10.0~40.0	30x60x1.0~4.5	400x250x8~12.0
75x75x2.0~6.0	600x600x10.0~40.0	40x50x1.0~4.5	400x300x8~12.0
80x80x2.0~6.0	700x700x10.0~40.0	40x60x1.0~5.0	450x200x8~12.0
85x85x2.0~6.0	800x800x10.0~50.0	40x80x1.5~5.0	450x250x8~12.0
95x95x2.0~8.0	900x900x10.0~50.0	40x100x2.0~5.0	400x300x8~12.0
100x100x2.0~8.0	1000x1000x10.0~50	50x60x2.0~5.0	400x350x8~12.0
120x120x4.0~8.0		50x80x2.0~5.0	500x200x10~12.0
150x150x6.0~10.0		50x100x2.0~8.0	500x250x10~12.0
180x180x6.0~12.0		60x80x2.0~6.0	500x300x10~12.0

Company Profile

Shandong Zhonglian Yongsheng Special Steel Co., Ltd. is a steel production enterprise that has been engaged in steel production, processing and sales for many years. Its main products include stainless steel series, carbon steel, galvanized steel and other profile products. It can also provide other metal products according to customer needs, with an annual export volume of about 1 million tons. It has five finishing production lines, three hot-dip galvanizing production lines, and two color coating production lines. It adopts advanced automatic width control system (AWC), automatic thickness control system (AGC), bending roll system, work roll guide roll system and other effective measures to ensure product quality. Its products are exported to more than 30 countries and regions including the United States, Canada, Spain, Russia, Iran, Saudi Arabia, Morocco, India, Pakistan, Malaysia, Singapore, Australia, New Zealand, etc. "Punctuality, integrity, and humanized service" have always been the development principles that the company and all employees have always adhered to.

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