ASTM A312 Tp317 Cold Rolled Octagonal Polished Seamless Stainless Steel Tube

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Product Description

Overview & Basic Information
Seamless Stainless Steel Tube
Model NO. Astm A312 Tp317 Type Seamless
Technique Cold Rolled Material Stainless Steel
Surface Treatment Polished Section Shape Octagonal
Standards ASTM A312 Steel Pipe Type Stainless Steel Pipe/Tube/Tubing
Od 1/8” to 60” (10.3mm to 1500mm) Wt Sch10 to Sch160 (2.11mm To 50.01mm)
Production Capacity 50,000 Tons/Year End Process Plain/Beveled/Threaded Ends
Available Grades

Support for diverse stainless steel materials including austenitic and duplex variants.

Base Grade Variants
TP201TP201LN, TP202
TP304TP304L, TP304H, TP304N, TP304LN
TP309TP309S, TP309H, TP309Cb, TP309HCb
TP310TP310S, TP310H, TP310Cb, TP310MoLN
TP316TP316L, TP316H, TP316Ti, TP316N, TP316LN
TP317TP317L, TP317LM, TP317LMN
TP321TP321H
TP347TP347H, TP347HFG, TP347LN
202 Stainless Steel
202 Stainless Steel

Economical austenitic pipe for mildly corrosive environments. High surface finish, suitable for decoration and food processing.

304/304L Stainless Steel
304/304L Stainless Steel

Industrial-grade general purpose. Excellent formability and welding. Widely used in chemical equipment and heat exchange systems.

310/310S Stainless Steel
310/310S Stainless Steel

Specialized for high-temperature conditions up to 1150ºC. Ideal for thermal systems and industrial kiln components.

316/316L Stainless Steel
316/316L Stainless Steel

Marine-grade corrosion resistance. High pitting resistance in chloride environments. Preferred for shipbuilding and desalination.

321 Stainless Steel
321 Stainless Steel

Titanium-stabilized. Controls chromium carbide precipitation. Suitable for high-temp aircraft exhaust and petrochemical units.

410 Stainless Steel
410 Stainless Steel

Martensitic hardening pipe. High hardness (up to 40HRC) after heat treatment. Excellent for wear-resistant pump and valve parts.

Available Shapes

Move beyond traditional round tubes-supports custom cross-sections of any shape: square, oval, polygonal, and curved profiles.

Shape 1
Shape 2
Shape 3
Technical Specification
Standards ASTM, EN, JIS, DIN, GOST, etc.
Technique Hot Rolled / Cold Rolled / Cold Drawing / Honed
Cross Section Round / Oval / Flat Oval / Triangular / Rectangular / Square / Hexagonal / Octagonal
Size Range OD: 1/8" to 60"; WT: SCH10 to SCH160
Application Oilfield, Drilling, Structural tubes, Hydraulic cylinders, Boiler tubes, Aircraft systems
Inspection SGS, BV, TÜV, Intertek, etc.
Professional Manufacturing & Certification
Factory Overview

Recognized as a high-tech enterprise, the group has achieved prestigious certifications from ISO and SGS. We seamlessly integrate research, development, production, and sales processes to deliver superior steel pipes crafted from stainless steel, carbon steel, and alloy steel.

Certifications
  • Strict adherence to international standards (ASTM, API, CE).
  • Advanced pressure resistance and corrosion resistance testing.
  • Full range of pipeline products for energy and chemical industries.
Frequently Asked Questions
Q: How to choose between 304L and 316L grades? A: 304/304L is suitable for mildly corrosive environments like food processing. 316/316L contains molybdenum for chloride resistance, ideal for marine engineering.
Q: What is the Minimum Order Quantity (MOQ)? A: Conventional specifications require 500 meters per batch. Special materials like 904L or duplex steel require 200 meters. Sample orders (≥20 meters) are supported.
Q: What rust prevention treatments are provided? A: Standard delivery includes pickling and passivation (ASTM A380). Salt spray tests are supported (72h for 300 series, 200h for duplex).
Q: How long is the standard delivery time? A: Stock items ship within 7 working days. Customized specifications typically take 15-25 days depending on complexity.
Q: What processing supporting services are available? A: We support laser cutting (±0.1mm tolerance), bending up to 180°, pipe end threading, and customized shockproof packaging.
Q: Is there a warranty for the products? A: A 12-month quality assurance period is provided with complete material traceability batch numbers for all products.

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