ASTM A213 304 Sanitary-Grade Stainless Steel Round Pipe

• Customization: Available
• Application: Automotive Industry, Chemical Industry, Food Industry, Pharmaceutical Industry
• Certification: CE, ISO9001
• Model NO.: Stainless Steel Pipe
• Length: 50 feet
• Material: 304 Stainless Steel
• Outer Diameter: 2 inch
• Type: Seamless Pipe
• Wall Thickness: XXS
• Material Grade: ASTM A213 304 Stainless Steel
• Microstructure: Excellent
• Density: 7.85 G/Cm³ at 20°C
• Thermal Conductivity: 16.2 W/(M·K) at 20°C; 21.5 W/(M·K) at 500°C
• Melting Point Range: 1400-1450°C
• Tensile Strength: Minimum 485 MPa
• Yield Strength: Minimum 170 MPa
• Creep Strength: 120 MPa at 600°C
• Surface Finish: Polished Finish, Annealed and Pickled
• Outer Diameter Range: 12.7 mm (0.5 Inch) to 152.4 mm (6 Inches)
• Wall Thickness Range: 1.24 mm to 12.7 mm
• Temperature Range: -270°C to 870°C
• Pressure Rating: up to 275 Bar
• Application1: Food & Beverage Industry Suitability,Biotechnolog
• Application2: Cosmetics & Personal Care Suitability, Water Treat
• Transport Package: Wooden Case, Packed by Bundles with Plastic Bags
• Specification: Stainless steel
• Trademark: EZS
• Origin: China
• HS Code: 7304
• Production Capacity: 200000ton/Year

Product Description

Product Description

Austenitic Grades

| Grade | UNS No. | Chemical Composition (Key Elements, %) | Mechanical Properties |
| TP304 | S30400     | 18Cr-8Ni (C≤0.08, Mn≤2.0) | Tensile: ≥515 MPa Yield: ≥205 MPa Elong.: ≥35% |
| TP304H| S30409     | 18Cr-8Ni (C 0.04-0.10) | Same as TP304 but higher creep strength |
| TP316 | S31600     | 16Cr-12Ni-2Mo (C≤0.08) | Tensile: ≥515 MPa Yield: ≥205 MPa Elong.: ≥35% |
| TP316H| S31609     | 16Cr-12Ni-2Mo (C 0.04-0.10) | Same as TP316 but higher creep strength |
| TP321 | S32100     | 18Cr-10Ni-Ti (C≤0.08, Ti≥5xC) | Tensile: ≥515 MPa Yield: ≥205 MPa Elong.: ≥35% |
| TP321H| S32109     | 18Cr-10Ni-Ti (C 0.04-0.10) | Same as TP321 but higher creep strength |
| TP347 | S34700     | 18Cr-10Ni-Nb (C≤0.08, Nb≥10xC) | Tensile: ≥515 MPa Yield: ≥205 MPa Elong.: ≥35% |
| TP347H| S34709     | 18Cr-10Ni-Nb (C 0.04-0.10) | Same as TP347 but higher creep strength |
| S31025 (Super 304H) | S31025 | 18Cr-9Ni-3Cu-Nb (C 0.07-0.13) | Tensile: ≥590 MPa Yield: ≥240 MPa Elong.: ≥35% |
| S31254 (6Mo Super Austenitic) | S31254 | 20Cr-18Ni-6Mo-0.2N (C≤0.02) | Tensile: ≥650 MPa Yield: ≥300 MPa Elong.: ≥35% |

Main Stainless Steel & Alloy Grades

Tolerance Requirements

 Ferritic Grades  
- T5, T9, T11, T12, T22 (e.g., T22: 2.25Cr-1Mo)  
- T91, T92 (9Cr-1Mo-V-Nb)  

 Austenitic Grades  
- TP304/304H, TP316/316H (18Cr-8Ni)  
- TP321/321H (Ti-stabilized)  
- TP347/347H (Nb-stabilized)  
- S31025 (Super 304H), S31254 (6Mo super austenitic)

- 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).

Chemical Composition

Element	Composition Limit	Element	Composition Limit
Carbon	≤ 0.08	Silicon	≤ 1.00
Manganese	≤ 2.00	Chromium	18.0 – 20.0
Phosphorus	≤ 0.045	Nickel	8.0 – 11.0
Sulfur	≤ 0.030	Nitrogen	≤ 0.10

Packing & Delivery

Ferritic and Martensitic Grades

| Grade | UNS No. | Chemical Composition (Key Elements, %) | Mechanical Properties |
| T5    | K51545     | 1.0Cr-0.5Mo (C≤0.15, Mn 0.30-0.60) | Tensile: ≥415 MPa Yield: ≥205 MPa Elong.: ≥30% |
| T9    | K90941     | 9Cr-1Mo (C 0.15-0.25, Si 0.25-1.0) | Tensile: ≥585 MPa Yield: ≥380 MPa Elong.: ≥20% |
| T11   | K11597     | 1.25Cr-0.5Mo-Si (C≤0.15) | Tensile: ≥415 MPa Yield: ≥205 MPa Elong.: ≥30% |
| T12   | K11562     | 1.25Cr-0.5Mo (C≤0.15) | Same as T11 |
| T22   | K21590     | 2.25Cr-1Mo (C≤0.15) | Tensile: ≥415 MPa Yield: ≥205 MPa Elong.: ≥30% |
| T91   | K90901     | 9Cr-1Mo-V-Nb (C 0.08-0.12) | Tensile: ≥585 MPa Yield: ≥415 MPa Elong.: ≥20% |
| T92   | K92460     | 9Cr-0.5Mo-2W-V-Nb (C 0.07-0.13) | Tensile: ≥620 MPa Yield: ≥440 MPa Elong.: ≥20% |

Company Profile

Premium Industrial Piping Solutions, Engineered for Excellence

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.

Empowering industries worldwide with reliable, efficient, and eco-conscious piping systems, EZ Steel Industrial Co., Ltd. is your strategic partner for mission-critical infrastructure. We deliver high-performance steel, stainless steel, and copper piping solutions for sectors including oil and gas, water treatment, HVAC, and renewable energy. Our systems are engineered to meet international standards for durability, safety, and sustainability.

With end-to-end support—from design and custom fabrication to logistics and service—we help reduce lifecycle costs, minimize environmental impact, and enhance operational resilience.

Partner with us to build future-ready infrastructure with expertise you can trust.

Production Workshop

Professional & Comprehensive

Modern & Sustainability-Focused

Equipped with state-of-the-art machinery and automated production lines, our factory integrates precision engineering with strict quality control systems to deliver products that meet international standards.

Our cutting-edge facility utilizes eco-efficient processes to produce steel pipes that not only perform under pressure but also reduce environmental impact.

Focus on Quality and Precision

Focus on Capability and Customization

Through automated welding, precision cutting, and resource-conscious production, we supply high-quality pipes for sectors like renewable energy, water management, and green building. Our team works closely with clients to develop solutions that are both cost-effective and future-ready.
Choose us for pipes that build more than structures—they build trust.

Our capabilities include the production of seamless, welded, galvanized, and custom-designed pipes in various grades and sizes. From raw material selection to final inspection, every step is monitored to ensure durability, corrosion resistance, and exceptional performance—whether for plumbing, oil and gas, structural, or mechanical projects.

Certifications

FAQ

Why choose us?

Why choose us?

1.Full projects reference all of the world and vendor references from the most main oil and Gas institute, companies, investors

2.The inspection program is full supported to the docs requirements

3.The list of producing equipment and inspection equipment will be provided

4.The mill certification such as A PI monogram, ISO ect....

5.The financial yearly reports in latest 3 years

6.ITP, MPS& ISO manual

7.Full system of after sales records(trackingpurpose)

8.Logistical and shipping chains, we have signed the yearly agreement with the main NVO CC in China can make helps the saves from shipping

9.Free custom inspection corporation& checked corporation in CCPIT 15.Full bank supported company with a perfect line of Credit "AAAAA"

FAQ

Q: What's your delivery time?

A: Our normal delivery time is 7-30 days, and it depends on your quantity and items. Of course, if you need products urgently, we also will consider arranging it firstly.

Q: What's the price of your product?

A: Our prices are based on the material grade, size, quantity and physical performance etc. So if you can offer us the detailed information, then we can give you the best reasonable price. Also, we can do special size and color for customers.

Q: What's your after-sales service?

A: We have two ways to handle claims by replacement and deduction. Of course, if the materialis not good used by wrong parameter from customer, we won't be responsible.

Q: Why do you think I will want to buy from you?

A: We have advantages with 25 years of professional experiences in manufacturing & designing, advanced technology & the first-class equipment, perfect logistics management, high-quality after-sales service and competitive price.

Q:Can I visit your plant before placing an order?

A:Of course, we welcome and respect all clients' plant visits.