High Pressure 304 316 Stainless Steel Seamless Pipe for Construction
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Product Highlights
- Wide Material Range: Available in 200, 300, 400 series, Duplex, and special alloys like 904L.
- Multiple Surface Finishes: Options include 2B, BA, No.1, HL, No.4, No.8, and Electropolished.
- Extensive Size Coverage: Outer diameter from 6mm to 600mm with wall thickness up to 12mm.
- Global Standard Compliance: Meets ASTM, JIS, EN, GB, AISI, DIN, and other international standards.
- High Corrosion Resistance: Excellent performance in acidic, alkaline, and high-temperature environments.
- Versatile Applications: Suitable for food, chemical, oil & gas, construction, and medical industries.
- Customization Available: Customization options available based on customer samples.
- Fast Lead Time: Peak and off-peak season lead times within 15 working days.
Product Attributes
- After-sales Service
- Cutting
- Warranty
- /
- Type
- Seamless
- Model NO.
- 304 Seamless Stainless Steel Pipe
- Technique
- Cold Drawn
- Material
- Stainless Steel
- Surface Treatment
- Polished
- Usage
- Food/Beverage/Dairy Products, Chemical Industry, Construction & Decoration
- Section Shape
- Round
- Material Grade
- 304 (Uns S30400)
- Standards
- GB, AISI, ASTM, DIN, En, JIS
- Size Range
- 1/4" (6mm) to 24" (600mm)
- Wall Thickness
- 0.5mm (0.02") to 12mm (0.47")
- Key Features
- Corrosion-Resistant, Weldable, High Ductility
- Tensile Strength
- ≥515 MPa (75,000 Psi)
- Yield Strength
- ≥205 MPa (30,000 Psi)
- Elongation (%)
- ≥40%
- Hardness (Rockwell B)
- ≤92 Hrb
- Length
- 1-12m
- Surface
- Ba/2b/No.1/No.3/No.4/8K/Hl/2D/1d
- Application
- Oil&Gas, Petroleum, Vessels, Ship Building, Water
- Surface Finish
- 2b
- Tolerance
- ±1%
- Material Series
- 300 Series
- Transport Package
- Standard Packing
- Specification
- 18%Cr-8%Ni
- Trademark
- Zhongding
- Origin
- China
- Production Capacity
- 2000tonnes Per Week
Product Images of High Pressure 304 316 Stainless Steel Seamless Pipe for Construction
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High Pressure 304 316 Stainless Steel Seamless Pipe for Construction -
High Pressure 304 316 Stainless Steel Seamless Pipe for Construction -
High Pressure 304 316 Stainless Steel Seamless Pipe for Construction -
High Pressure 304 316 Stainless Steel Seamless Pipe for Construction -
High Pressure 304 316 Stainless Steel Seamless Pipe for Construction -
High Pressure 304 316 Stainless Steel Seamless Pipe for Construction -
High Pressure 304 316 Stainless Steel Seamless Pipe for Construction
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Product Description
304 stainless steel pipe is one of the most widely used austenitic stainless steel pipes due to its excellent corrosion resistance, formability, and cost-effectiveness
| Available Grades | 200 Series: 201,202 |
| 300 Series: 304, 304L, 304H, 309, 309S, 310, 310S, 316, 316L, 317, 317L, 321, 321H, 347, 347H | |
| 400 Series: 409, 410S, 416, 420, 430, 439, 440, 444, 446 | |
| Duplex and Others: 2205, 2507, S31803, S32205, S32750, S32760, 253MA, 254SMO, 904L etc |
Common Standards
| Standard | Application |
|---|---|
| ASTM A312 | Seamless & welded pipes for high-temperature/corrosive service |
| ASTM A269 | Seamless & welded tubes for general purposes |
| ASTM A213 | Seamless tubes for boilers & heat exchangers |
| ASTM A554 | Welded mechanical tubing (decorative/structural) |
| JIS G3459 | Japanese standard for stainless steel pipes |
| EN 10217-7 | European standard for pressure pipes |
Outer Diameter (OD) & Wall Thickness (WT)
| Type | Common Sizes (mm/inch) | Wall Thickness (mm/inch) |
|---|---|---|
| Small Diameter | 6mm (1/4") - 50mm (2") | 0.5mm (0.02") - 3mm (0.12") |
| Medium Diameter | 60mm (2.5") - 150mm (6") | 2mm (0.08") - 5mm (0.2") |
| Large Diameter | 200mm (8") - 600mm (24") | 4mm (0.16") - 12mm (0.47") |
Schedule (SCH) Thickness for Pipes (ASTM A312)
| Schedule (SCH) | Approx. Wall Thickness (mm/inch for DN50/NPS 2") |
|---|---|
| SCH 5S | 1.65mm (0.065") |
| SCH 10S | 2.11mm (0.083") |
| SCH 40S | 3.68mm (0.145") |
| SCH 80S | 5.56mm (0.219") |
Metric vs. Inch Size Comparison
| NPS (Inch) | DN (Metric) | Actual OD (mm) |
|---|---|---|
| 1/2" | DN15 | 21.3mm |
| 3/4" | DN20 | 26.7mm |
| 1" | DN25 | 33.4mm |
| 2" | DN50 | 60.3mm |
| 4" | DN100 | 114.3mm |
304 Stainless Steel Pipe Surface Finishes Comparison
| Finish | Process | Appearance | Roughness (Ra) | Corrosion Resistance | Cost | Typical Applications |
|---|---|---|---|---|---|---|
| 2B | Cold rolled + bright annealed + light polish | Smooth, semi-reflective | ≤0.3μm | Good | $$ | Food equipment, chemical pipes, general industry |
| BA | Bright annealed in hydrogen/vacuum | Highly reflective, near-mirror | ≤0.2μm | Excellent | $$$ | Medical, semiconductor, high-end decor |
| No.1 | Hot rolled + pickled | Rough, matte with mill marks | 3.2-6.3μm | Fair | $ | Structural, boilers, industrial pipes |
| HL (Hairline) | Mechanical brushing | Unidirectional satin lines | 0.4-1.0μm | Good | $$ | Elevators, appliances, architecture |
| No.4 | Uniform abrasive grinding | Consistent satin matte | 0.5-1.5μm | Good | $$ | Kitchen equipment, decorative panels |
| No.8 | Progressive polishing | Perfect mirror | ≤0.1μm | Best | $$$$ | Luxury decor, optical equipment |
| Electropolished | Electrochemical polishing | Ultra-smooth, bright | ≤0.05μm | Superior | $$$$$ | Pharma, semiconductor, ultra-clean systems |
304 Stainless Steel Pipe Applications
-
Food & Beverage Industry: Sanitary tubing, milk processing pipes.
-
Chemical Processing: Acid & alkali-resistant pipelines.
-
Architecture & Decoration: Handrails, furniture, structural supports.
-
Oil & Gas: Low-pressure fluid transport.
-
Heat Exchangers & Boilers: High-temperature resistance.
1. who are we?
We are based in Zhejiang, China, start from 2020,sell to Africa(20.00%),Northern Europe(12.00%),Mid East(11.00%),Eastern
Asia(10.00%),North America(10.00%),Central America(8.00%),Eastern Europe(5.00%),Southeast Asia(5.00%),Oceania(5.00%),South
America(5.00%),South Asia(4.00%),Southern Europe(3.00%),Western Europe(2.00%). There are total about 101-200 people in our office.
2. how can we guarantee quality?
Asia(10.00%),North America(10.00%),Central America(8.00%),Eastern Europe(5.00%),Southeast Asia(5.00%),Oceania(5.00%),South
America(5.00%),South Asia(4.00%),Southern Europe(3.00%),Western Europe(2.00%). There are total about 101-200 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Always final Inspection before shipment;
3.what can you buy from us?
Seamless steel pipe,Welded steel pipe,Hot rolled plate,Color steel plate,Round bar
4. why should you buy from us not from other suppliers?
4. why should you buy from us not from other suppliers?
Zhongding Steel is a diversified private enterprise with business covering stainless steel, carbon structure steel, alloy steel,etc. And established a number of joint-venture steel production lines with some well-known steel companies
5. what services can we provide?
Accepted Delivery Terms: FOB;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian
5. what services can we provide?
Accepted Delivery Terms: FOB;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian
About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASR253077". Items marked "
" are certified.
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Company Profile
ZHEJIANG ZHONG DING IRON AND STEEL Co., Ltd is a large-scale enterprise integrating production, sales and trade. The company now has 8 hot-rolling piercing production lines and 30 cold-rolling unit production lines, with a production range of 10mm-219mm, wall thickness 0.5mm-22mm, tolerance range of +-2 wire precision steel pipes, and an annual inventory of more than 8, 000 tons of precision bright tubes; Advanced There are 6 double-sided submerged arc welded spiral steel pipe production lines, which can produce double-sided submerged arc welded spiral steel pipes with a diameter of 219-3620mm and a wall thickness of 6-30mm. The annual production of spiral pipes is more than 200, 000 tons and is trusted by the majority of the industry.
ZHONG DING STEEL's sales varieties include: Stainless steel plates, stainless steel pipes, stainless steel rods, seamless steel pipes, thick-walled steel pipes, oxygen blowing pipes, longitudinally welded pipes, color steel plates, C-shaped steels, spiral pipes, galvanized pipes, cold drawn flat steels, Strip steel, cold-rolled strip steel, steel plate, round steel, angle channel steel, rail steel, etc., with complete varieties, one-stop purchasing unit.
We always adhere to the business philosophy of "integrity management, customer first", and strive to achieve the best products, the best quality, the lowest price, and the most complete service to thank new and old customers. The sales network has now spread all over the country. All my colleagues in the company warmly welcome new and old friends to visit, patronize, and guide, let us work together to create brilliant!
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Baolong Commercial Plaza, Zhonghe Street, Yinzhou District, Ningbo, Zhejiang, China
-
Number of Employees
- 14
-
Registered Capital
- 16,880,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Ningbo Port
-
Minimum Order Quantity
- 1 Ton
-
Supply Chain Partners
- 47
Our Production Capability & Technical Expertise
-
Main Products
- Seamless Steel Pipe, Welded Steel Pipe, Carbon steel sheet, Carbon Steel Coil, Decking sheet, Steel Beam, Steel round bar, Steel Square pipe, Steel Rail, Stainless steel pipe/Strips/Coil/Bar/Plate
-
Customization Options
- Customization from Samples
-
R&D Engineers
- 1 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2020-10-23
-
Export Year
- 4 Years
-
Main Markets
- Southeast Asia/ Mideast
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 8
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- Who are we?
- We are based in Zhejiang, China, start from 2020,sell to Africa(20.00%),Northern Europe(12.00%),Mid East(11.00%),Eastern Asia(10.00%),North America(10.00%),Central America(8.00%),Eastern Europe(5.00%),Southeast Asia(5.00%),Oceania(5.00%),South America(5.00%),South Asia(4.00%),Southern Europe(3.00%),Western Europe(2.00%). There are total about 101-200 people in our office.
- How can you guarantee quality?
- Always a pre-production sample before mass production; Always final Inspection before shipment;
- What can you buy from us?
- Seamless steel pipe,Welded steel pipe,Hot rolled plate,Color steel plate,Round bar
- Why should you buy from us not from other suppliers?
- Zhongding Steel is a diversified private enterprise with business covering stainless steel, carbon structure steel, alloy steel,etc. And established a number of joint-venture steel production lines with some well-known steel companies
- What services can you provide?
- Accepted Delivery Terms: FOB; Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF; Accepted Payment Type: T/T; Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian
- What is the minimum order quantity?
- 1 Ton
- What are the lead times?
- Peak Season Lead Time: within 15 workdays; Off Season Lead Time: within 15 workdays
- What are the payment terms?
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
Send your message to this supplier
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