Large Diameter ASTM A790 A312 A269 A213 321 304 316 309S Stainless Steel Tube TP304L Tp316L Seamless Ss Pipes Mechanical Tubing

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Product Description

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Product Overview & Basic Information

Model NO.
201, 202, 304, 304L, 309S, 310, 310S, 316, 316L, etc.
Type
Seamless/Welded
Technique
Hot/Cold Rolled, Cold Draw, ERW, Saw, Efw, Extrude
Material
Carbon, Stainless, Alloy
Surface Treatment
Black/Varnishing/Polished/Oiled/Galvanized
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy, Machinery, Chemical, Mining, Construction
Section Shape
Round
Length
Customizable
Thickness
Customizable
Delivery Time
Stock or 7-15 Days According to Quantity
Certificate
CCS, ABS, BV ISO9001
Quality Control
100% Inspection
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Detailed Product Description

Large Diameter Stainless Steel Tube

Stainless steel seamless steel pipe is a long steel section with no seams, resistant to corrosive media such as air, steam, water, and chemicals like acids, alkalis, and salts. Widely known as stainless acid-resistant steel pipe, it is ideal for high-pressure and critical environmental applications.

⚙️ Main Usage Areas

Extensively used in petroleum, chemical, medical, food processing, light industry, and mechanical instrumentation. Due to its balanced bending and torsion strength with lighter weight, it is also a staple in manufacturing mechanical parts and structural engineering components.

📜 Manufacturing Standards

  • GB/T 14976 - Chinese National Standard
  • EN10216-5 - European Union Standard
  • ASME SA312 - American Society of Mechanical Engineers Standard
Product Detail Specifications & Range
StandardASTM, JIS, DIN EN, GB
Outer Diameter8mm to 680 mm
Thickness0.5mm - 100mm
Length6m or Custom Request
Trade TermsEx-Work / FOB / CFR / CIF
AdvantageSmall MOQ + Superior Quality + Competitive Price
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Product Performance & Mechanical Properties

Grade Tensile Strength (Mpa) Yield Strength (Mpa) Elongation (%) Hardness (HR) Density (g/cm3)
201 / 202≥520≥27550-60-----7.93
304 / 304L≥520≥205≥40≥907.93
310S≥520≥205≥40≤1877.98
316L≥485≥170≥30-----7.98
321≥520≥205≥40-----7.98
904L≥490≥216≥35---8.24
2205≥620≥450≥25≤3208.0
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Detailed Product Photos

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Certifications & Quality Management

Product Certifications
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Packaging & Shipping Logistics

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Packing Details:
1. Export sea worthy package + water proof paper
2. Safe loading and fixing by professional teams
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Delivery Detail:
Shipment typically occurs within 7-10 working days after deposit confirmation, tailored to the specific order quantity.
Shipping Details
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Our Core Advantages

  • Exceptional Service: Guaranteed response within 12 hours.
  • Certified Quality: Holding ISO 9001, CE, and SGS certifications.
  • Direct Factory Prices: Benefit from cost-effective sourcing without third-party markups.
  • Production Capacity: Robust monthly output of 20,000 tons.
  • Verification: We welcome third-party testing (SGS, BV) to verify quality.
  • Customization: Committed to delivering on every individual specification.
Factory Advantages
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Company Profile

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Founded in 2013 with a focus on manufacturing excellence, the enterprise has grown into a leading specialist in seamless steel pipe production. Operating multiple high-precision production lines, we focus on high-precision, varied wall thicknesses, and small-batch versatility.

Adhering to a "Quality First, Customer First" philosophy, we maintain domestic leadership in producing medium-thick-walled and large-calibre alloy seamless steel pipes, serving major project constructions worldwide.

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Frequently Asked Questions (FAQ)

Q1: What are your primary product offerings?
We specialize in Stainless Steel & Carbon Steel products including sheets, plates, coils, and both seamless and welded pipes/tubes, alongside various structural bar profiles.
Q2: What quality assurance measures do you have in place?
We provide Mill Test Certificates with all shipments, support third-party inspections (SGS, BV, etc.), and maintain ISO-certified manufacturing processes.
Q3: What is your typical delivery timeline?
Stock items are ready within 3 business days. Made-to-order production typically takes 7-15 working days following deposit confirmation.
Q4: Do you provide product samples?
Yes, we offer complimentary small samples from existing inventory. The customer is only responsible for the associated shipping costs.
Q5: What are your standard payment terms?
Our standard terms are 30% advance payment via T/T to initiate production, with the remaining 70% balance due prior to shipment.
Q6: Why choose your steel products over competitors?
We offer a combination of rigorous quality assurance, factory-direct competitive pricing, reliable on-time delivery, and expert technical support throughout your project.

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