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Stainless Steel Square Tubes – Strong, Corrosion-Resistant & Built to Last

Brand Name:	EVEREST
MOQ:	Negotiable
Price:	Negotiable
Payment Terms:	L/C, D/A, D/P, T/T
Supply Ability:	15,000 tons/year

Detail Information

Product Description

Detail Information

Place of Origin:

China

Certification:

lS09001,IS014001, ISO45001, (TS ) Grade A, PED2014/68/EU,AP1 5LC, API 5LD, ASME, CCS, LR, DNV , BVRINA and ABS.

Product:

Stainless Steel Square Tubes – Strong, Corrosion-Resistant & Built To Last

Material Grades:

201 / 304 / 304L、316 / 316L、310S / 321 / Duplex Stainless Steel

Applications:

Architectural & Structural Engineering Handrails, Frames, And Furniture Mechanical And Automotive Components Chemical And Food Processing Equipment Marine And Coastal Structures Solar Panel Supports & Greenhouse Frames

Key Features:

Square Shape Provides Excellent Strength-to-weight Ratio Smooth Surface, Easy To Clean And Maintain High Corrosion And Oxidation Resistance Excellent Weldability And Machinability Available In Both Seamless And Welded Types

Advantages:

Durable & Long-Lasting/ Aesthetic Appearance/Custom Sizes & Processing/ Factory Direct Price/Reliable Export Experience

Packaging Details:

according to customers' demand

Supply Ability:

15,000 tons/year

Product Description

Stainless Steel Square Tubes – Strong, Corrosion-Resistant & Built to Last

Product Description
Our stainless steel square tubes are manufactured with precision and high-quality raw materials, designed to deliver excellent strength, corrosion resistance, and a clean, modern appearance. Ideal for structural and industrial applications, these tubes combine durability with long-lasting performance.

Material Grades

201 / 304 / 304L – Excellent formability and weldability, ideal for general construction and furniture.
316 / 316L – Superior corrosion resistance for marine, chemical, and food processing environments.
310S / 321 / Duplex Stainless Steel – Available for high-temperature or high-stress applications.

Specifications

Outer Size Range: 10mm x 10mm – 300mm x 300mm
Wall Thickness: 0.5mm – 20mm
Length: 6m standard, custom lengths available
Surface Finish: 2B, BA, No.4, Mirror, Hairline, Pickled
Standards: ASTM A554, ASTM A312, EN10296, JIS G3466

Applications

Architectural & Structural Engineering
Handrails, Frames, and Furniture
Mechanical and Automotive Components
Chemical and Food Processing Equipment
Marine and Coastal Structures
Solar Panel Supports & Greenhouse Frames

Key Features

Square shape provides excellent strength-to-weight ratio
Smooth surface, easy to clean and maintain
High corrosion and oxidation resistance
Excellent weldability and machinability
Available in both seamless and welded types

Advantages
✅ Durable & Long-Lasting – Withstands harsh environments without rusting or degrading
✅ Aesthetic Appearance – Clean finish, ideal for exposed applications
✅ Custom Sizes & Processing – Cutting, drilling, bending, and surface polishing available
✅ Factory Direct Price – Competitive pricing without compromising on quality
✅ Reliable Export Experience – Fast delivery, stable supply, and responsive service for global clients

Quality Inspection:

Quality Management Department is establshed in the enterprise, which is responsible for the implementation of quallty management acrossall sectors, including QC, QA and implement and supervise various management system. The company reviews the Quality Manual byconducting management reviews annually to confirm its conformance, effectiveness and suitability.

Stainless Steel Square Tubes – Strong, Corrosion-Resistant & Built to Last 0

**Project Achievement**
HENGLI Petrochemical 40 million / year ton of oil refining integration project	ZHEJIANG Petrochemical 40 million / year ton of oil refining integration project	LIANYUNGANG Petrochemical 3.2 million tons / young hydrocarbon comprehensive	YISHENG New Material The 6.6 million tons / year of the PTA project	CNOOC Huizhou Refining & Chemical Co Huilian Phase II, 22 million / year ton of oil refining Reconstruction and expansion project	Sinopec Zhenhai Refining & Chemical Company 1.2 million / year ton ethylene renovation and expansion project	Wanhua Chemical 480,000 tons / year bisphenol A integration project	GUANGXI Huayi New Materials Integration project of new chemical materials	CNOOC Shell The SMPO & POD project	China AtlantoShaanxi Coal Chemical Industry: 1.8 million tons / year ethylene glycol project

Hainan Huasheng 2.26 million tons / year non-photogamic polycarbonate project	Shenghong Refining The 16 million tons / year oil refining project	Anhui Haoyuan Chemical Industry 300,000 tons / year ethylene glycol project	Heilongjiang Longyou Petrochemical Company5.5 million tons / year heavy oil catalytic pyrolysis project	HuaLu Hengsheng 500,000 tons / year ethylene glycol project	Baofeng Energy600,000 tons / year methanol to olefin project	Jiangnan Shipyard (98000m³ liquefied ethane ship, etc.) Brand number: 316 / 316L, delivery time: 2020.12	Keppel shipyard in Singapore (FLNG ship) Brand number: 316 / 316L, delivery time: 2020.1	Guangzhou Wenchong Shipyard (Super double-phase steel desulfurization tower) Brand number: S32750 Delivery time: 2021.3	CSSC Dalian (FPSO, MV31, etc.) Brand number: 316L, etc., delivery date, 2019.8

725 Institute of China Shipbuilding Industry (Cu-Ni alloy Tube)	Nantong COCSO Shipyard (FSRU ship module)	CIMC Raffles (Drilling Rig)	CNOOC Orient 13-2 (Lined pipe)	CNOOC Bozhong 19-6 (Lined Pipe)	Petrobras MODEC FPSO (COSCO Shipping)	CNOOC Guangxi LNG, storage and transportation storage Brand number: 304 / 304L Specification: (8 "~32")×(3.76~9.53mm)	CNOOC Zhejiang LNG Phase II Brand number: 304 / 304L Specification: (6 "~28")×(7.11~10.31mm)	Sinopec Shandong LNG Phase II Brand number: 304 / 304L Specification: DN250 SCH10S	LIANYUNGANG Petrochemical A 4X160000m³ low-temperature ethane storage tank Brand number: 304 / 304L Specification: 813X12.7MM Delivery time: 2020.9

Sinopec Luoyang Institute Wenzhou LNG terminal Brand number: 304 / 304L Specification: 219.1~711X12.7MM Delivery time: 2022.3	Huatai Shengfu 160,000 m ³ low-temperature ethane storage tank Brand number: 304 / 304L Specification: 219~508X9.53MM	YAMAL LNG Brand number: 304 / 304L Specification: 406~914X9.53MM	Beijing Maiden Voyage	Oriental Hope	Sichuan Yongxiang 70,000 tons / year high purity polysilicon project	Xinjiang Daquan 25,000 tons / year high purity polysilicon project	Eagle Central China Paper Industry 500,000 tons of box board project	Guangxi Sun Paper 3.5 million tons of forest pulp and paper integration project	APP for Asian pulp and paper Chemical machine pulp and sewage treatment project

TCL Shenzhen Huaxing Optoelectronics semiconductor clean pipeline project	Beijing Daxing Airport	Hong Kong-Zhuhai-Macau/Macao Bridge Tubes used for stainless steel construction	CNNC Xiapu nuclear Power Plant Fast reactor demonstration project of CNNC 2.3	CONBA Stainless steel pipe for pharmaceutical engineering	Shenghong Refining Stainless steel associated heat pipe	Hangzhou Sewage Treatment Plant Stainless steel pipe for backwash purification unit	Qilu Pharmaceutical Fluid stainless steel pipe for raw material delivery	Zijin Mining Wet copper smelting, stainless steel sewage pipe	ect
									……

Certificate

API-5LD AUTHENTICATION	American Petroleum Institute API 5LC Certificate	ASME Certificate in the United States	EU PED&AD2000 certificate	ABS classification society certification certificate in the United States	DNV Det Norske Veritas Certificate	RINA Italian Bureau of Shipping Certificate	BV French Bureau of Shipping certification	LR Lloyd's Register Certificate of Approval	Customs Union EAC Certificate	Russian GOST certificate

Raw Material Vendors	Cooperation Partners

Packaging

Standard export packaging: waterproof wrapping, steel strip bundling, and wooden pallets or crates available for safety and convenience during transportation.

Contact us today for a free sample, price list, or customized quote. Let’s support your next project with premium stainless steel square tubes you can trust.

Tags:

Steel Raw Material

Seamless Steel Pipe

Pickling Stainless Steel Pipe

Stainless Steel Bright Annealed Tube

Welded Steel Pipe

Welded Sections

H Section Steel

Steel Welded Pipe

Steel Pipe Fitting

Steel Flange

CNC Cutting Service

CNC Bending Service

Welded Processing

CNC Machining Processing

Metal Structure

Water Treatment Equipment

CNC Circular Saw Machine

Automatic Equipment

Steel Raw Material

Seamless Steel Pipe

Pickling Stainless Steel Pipe

Stainless Steel Bright Annealed Tube

Welded Steel Pipe

Welded Sections

H Section Steel

Steel Welded Pipe

Steel Pipe Fitting

Steel Flange

CNC Cutting Service

CNC Bending Service

Welded Processing

CNC Machining Processing

Metal Structure

Water Treatment Equipment

CNC Circular Saw Machine

Automatic Equipment

Stainless Steel Square Tubes – Strong, Corrosion-Resistant & Built to Last

Stainless Steel Square Tubes – Strong, Corrosion-Resistant & Built to Last