SUS 304 316 Austenitic Welded Tube Stainless Steel Seamless Pipe Manufacturer
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Product Details
| Customization: | Available |
|---|---|
| Type: | Seamless |
| Technique: | Cold Drawn |
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Basic Info.
- Model NO.
- EZS
- Material
- Carbon Steel
- Surface Treatment
- Varnishing
- Usage
- Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
- Section Shape
- Round
- Standard
- ASTM, GB, JIS
- Standard2
- ASTM A106-2006, ASTM A210-1996, ASTM A213-2001, as
- Application
- Boiler Pipe
- Delivery Condition
- Annealed, Normalized,Normalized and Tempered
- Inspections and Tests Performed
- Ut,Rt,Et
- 3-Rd Party Inspection
- TUV,SGS,Ibr,BV etc
- Treatment
- Pickled, Annealed, Polished
- End Type
- Plain Ends, Bevel End, Threaded End
- Materials
- A179/A192
- Aplication 1
- Industrial Heating and Drilling
- Aplication 2
- Heat Exchanger
- Aplication 3
- Metel Treatment System
- Aplication 4
- High Temperature Geberater Tube
- Aplication 5
- Boiler
- Transport Package
- Wooden Box/ PVC Bags/ Steel Strips/Plastic Plates
- Specification
- OD: 8-168.3mm, WT: 1-15mm
- Trademark
- EZS
- Origin
- China
- Production Capacity
- 300000t/Year
Product Description
ASTM A312/A312M for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
Covers seamless, welded, and heavily cold worked austenitic stainless steel pipes for high temperature and general corrosive service.
Includes nominal (average) wall and minimum wall thickness pipes.
Metric (A312M) and inch-pound (A312) versions are included.
Includes nominal (average) wall and minimum wall thickness pipes.
Metric (A312M) and inch-pound (A312) versions are included.
Specification
Ordering Information
Buyers must specify:
Quantity (length, number of pipes)
Material (grade, UNS number)
Quantity (length, number of pipes)
Material (grade, UNS number)
Manufacturing method (seamless, welded, or cold worked)
Dimensions (NPS, schedule, or wall thickness)
Heat treatment requirements
Heat treatment requirements
Test requirements (hydrostatic, nondestructive testing)
Certification and inspection needs
Any additional requirements (e.g., special finishes)
Steel Grades and Chemical Composition
Common grades include:
TP304/304L, TP316/316L, TP321, TP347, TP310S (full list in Table 1).
UNS designations (e.g., S30400, S31603) and composition limits (Cr, Ni, C, Mo, etc.) are specified.
TP304/304L, TP316/316L, TP321, TP347, TP310S (full list in Table 1).
UNS designations (e.g., S30400, S31603) and composition limits (Cr, Ni, C, Mo, etc.) are specified.
Inspection and Testing
Hydrostatic Testing: Required unless replaced by nondestructive testing (NDT).
Nondestructive Testing: Eddy current, ultrasonic, or radiographic testing for welded pipes.
Chemical Analysis: Per heat/lot.
Mechanical Tests: Tensile, hardness, flattening, flare, or bend tests as applicable.
Nondestructive Testing: Eddy current, ultrasonic, or radiographic testing for welded pipes.
Chemical Analysis: Per heat/lot.
Mechanical Tests: Tensile, hardness, flattening, flare, or bend tests as applicable.
Technical Specifications
Hot-Selling Stainless Steel Tube Grades: Specifications & Target Uses
Grade | Alloy Key Features | Max Service Temp | Core Advantages | Typical Applications |
304/304L | Cr18-Ni8, low carbon (304L) | ≤870ºC | Cost-effective, general corrosion resistance, food-safe | Food processing pipelines, architectural handrails, water treatment systems, kitchen equipment |
316/316L | Cr18-Ni12-Mo2, low carbon (316L) | ≤870ºC | Superior corrosion resistance (saltwater/chemicals), anti-pitting | Marine pipelines, chemical tanks, medical devices, offshore platforms, pharmaceutical equipment |
321 | Cr18-Ni9-Ti | ≤900ºC | Heat-resistant, avoids intergranular corrosion | High-temperature pipelines, furnace tubes, aerospace components, boiler systems |
310S | Cr25-Ni20 | ≤1150ºC | Ultra-high temperature resistance, oxidation-resistant | Industrial furnaces, heat exchangers, high-temperature exhaust systems |
2205 (Duplex) | Cr22-Ni5-Mo3 | ≤315ºC | High strength + corrosion resistance (2x stronger than 304/316L) | Oil & gas pipelines, chemical reactors, seawater desalination plants |
430 | Cr17 (ferritic) | ≤815ºC | Economical, good formability, magnetic | Appliance tubes, decorative structures, non-critical industrial pipelines |
Tolerance Requirements
- OD, wall thickness, length, and straightness tolerances are specified.
Main Applications
Used in boilers, superheaters, heat exchangers, and other high-pressure/temperature environments.
Main Steel Grades
Here is a concise list of the main steel grades in ASTM A213/A213M, along with their key chemical components and mechanical properties (based on the latest version of the standard).
After Sales Service
Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.
Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.
Company Profile
EZ Steel Industrial Co., Ltd
EZ Steel Industrial Co., Ltd is a leading manufacturer of high-performance industrial metal pipelines, specializing in alloy steel, carbon steel, stainless steel, and copper-nickel-based alloy products. With strategically located facilities in Cangzhou, Yangzhou, and Lishui, we deliver globally trusted piping solutions that combine cutting-edge technology, rigorous quality control, and unmatched expertise.
Why Choose Us?
Other Products
OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions
Pipe fittings
Flange
Valve
Gasket
FAQ
Why Choose Our Stainless Steel Tube?
Quality Assurance: 100% compliant with ASTM/JIS/GB/EN standards, full traceability via MTR, and third-party inspection (SGS/BV) available for critical projects.
Full Product Range: Stocked with hot grades (304, 316L, 321, 310S, 2205, 430) and both seamless/welded tubes for quick delivery.
Custom Solutions: Cut-to-length, threading, flanging, surface treatment, and small-batch orders are all supported.
Technical Expertise: Our team provides professional grade selection, pressure calculation, and application guidance to avoid mismatches.
Global Supply Chain: Fast shipping to North America, Europe, Asia, and beyond-reliable logistics to meet your project timeline.
Quality Assurance: 100% compliant with ASTM/JIS/GB/EN standards, full traceability via MTR, and third-party inspection (SGS/BV) available for critical projects.
Full Product Range: Stocked with hot grades (304, 316L, 321, 310S, 2205, 430) and both seamless/welded tubes for quick delivery.
Custom Solutions: Cut-to-length, threading, flanging, surface treatment, and small-batch orders are all supported.
Technical Expertise: Our team provides professional grade selection, pressure calculation, and application guidance to avoid mismatches.
Global Supply Chain: Fast shipping to North America, Europe, Asia, and beyond-reliable logistics to meet your project timeline.
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