Factory Stock ASTM Standard 300 Series Stainless Steel Inox Square and Rectangular Round Welded Tube Pipe

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Factory Stock ASTM Standard 300 Series Stainless Steel Inox Square and Rectangular Round Welded Tube Pipe

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Product Description

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Basic Specifications

Material	Stainless Steel (304, 321, 316L, 430, 201, etc.)
Type	Cold Rolled / Hot Rolled Seamless & Welded Tube
Outside Diameter	3.18mm - 810mm (1/8" ~ 24")
Wall Thickness	0.89mm - 60mm (SCH5 ~ SCHXXS)
Surface Treatment	No.1, 2B, BA, No.4, 8K Mirror, Acid Pickling, Sandblasting, Polishing
Standard	ASTM A312, ASTM A213, ASTM A269, ASTM A270, ASTM A511, JIS, DIN, EN
Length	1000mm - 12000mm or Customized
Section Shape	Round, Square, Rectangular

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Product Display

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Core Advantages

Industry experience over 20 years in metal manufacturing.
Finished Product Inventory exceeding 5000 Tons for quick delivery.
High technical production lines ensuring top-tier product quality.
Stringent quality control with Mill Test Certification and Third-Party Inspection support.
Global export reach to more than 50 countries worldwide.
Personalized customization services based on specific engineering needs.

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Material Grade Range

Austenitic Stainless Steel TP304, TP304L, TP304H, TP309S, TP310S, TP316L, TP316Ti, TP317L, TP321, TP347H

Duplex & Super Duplex Steel UNS S31803, UNS S2205, UNS S32750, UNS S32760, S32304

Nickel Alloy & Special Steel Alloy 800/800H/800HT, Monel 400, Hastelloy C-22/C-276, 904L, 254SMO

Ferritic & Martensitic 405, 409, 410, 420, 430, 431, 444

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Industrial Applications

Stainless steel is widely utilized across various sectors due to its superior corrosion resistance and durability:

Energy & Chemical: Pipeline transport, boiler tubes, oil/gas drilling, and chemical tanks.
Construction: Building facades, handrails, roofing, and structural decoration.
Machinery: Hydraulic systems, automobile pipes, and industrial equipment parts.
Medical & Food: Surgical instruments, food processing equipment, and dairy product pipelines.
Household: Kitchenware, cookware, and high-end appliances.

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Packing & Delivery

Standard export packaging includes plastic caps on both ends, bundled with steel strips, or packed into seaworthy plywood cases to ensure protection during transit.

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Frequently Asked Questions

What is your monthly production capacity for stainless steel tubes?

Our production capacity is approximately 3,000 to 5,000 tons per month, depending on the specific product requirements.

How is the quality of the products guaranteed?

Mill Test Certification is provided with every shipment. We also welcome and support third-party inspections (such as TUV, SGS, etc.) to ensure compliance with international standards.

Can you provide free samples?

Yes, we can provide small samples from our stock for free. Customized samples typically take between 5 to 7 days to prepare.

What are the main stainless steel grades you supply?

We supply a comprehensive range including Austenitic (304, 316L, 321), Duplex (S31803, S32750), and various Ferritic and Martensitic grades according to ASTM and EN standards.

What is the typical delivery time for an order?

For items currently in stock, delivery takes about 7 days. For customized production or large orders, the lead time is generally around 30 days.

What surface finishes are available for the pipes?

Available finishes include BA (Bright Annealed), No.1 (Hot Rolled), 2B (Cold Rolled), No.4 (Brushed), 8K (Mirror Polish), and various sandblasting or pickling options.

Factory Stock ASTM Standard 300 Series Stainless Steel Inox Square and Rectangular Round Welded Tube Pipe

Product Description

Basic Specifications

Product Display

Core Advantages

Material Grade Range

Industrial Applications

Packing & Delivery

Frequently Asked Questions

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