Stainless Steel Seamless Tube 321 904L Duplex 2205 2507 Super Alloy Steel Pipe for Chemical Marine Industry
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Product Highlights
- Wide Size Range: Square tubes 16x16-1000x1000mm; Rectangular 10x20-1000x800mm.
- Customizable Dimensions: Length 6m-12m; Thickness 0.4-50.0mm; Shape Square or Rectangle.
- High Corrosion Resistance: Zinc layer 20-275g/m2; Stronger protection for harsh environments.
- Multiple Material Grades: Q195-Q420 Series; A36, Q235, Q345B/C/D/E, Q355E available.
- Flexible Customization: Full customization, minor customization, and sample-based options.
- Diverse Applications: Suitable for curtain walls, construction, machinery, and pipelines.
- Certified Quality: ISO, SGS, CE, CQC, and third-party inspection certificates.
- Strong Mechanical Properties: Tensile strength 400-550MPa; Yield strength >=235MPa.
Product Attributes
- Customization
- Available
- Type
- Welded
- Technique
- Hot Rolled
- Model NO.
- 10-1250mm
- Material
- Carbon Steel
- Surface Treatment
- Galvanized
- 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
- Equilateral Angle Bar
- Product Name
- Galvanized Steel Pipe
- Thickness
- 3mm-35mm
- Grade
- Q195-Q420 Series
- Length
- 6m-12m
- Materials
- A36 Q235/Q235B/Q345/Q345b/S235
- Certificate
- ISO,SGS,CE,Cqcandthirdpart Inspet
- Shape
- Square, Rectangle
- Zinc Layer
- 20-275g/
- Tensile Strength
- 400-550MPa
- Yield Strength
- ≥235MPa
- Features
- Stronger Protection and Corrosion Resistance
- Applications
- Curtain Wall, Construction, Machinery Manufacturin
- Category
- Hot-DIP Galvanizing, Electro-Galvanizing
- Standard
- ASTM A53, En 10255, BS 1387, GB/T 3091, etc.
- Coils Weight
- 3-22tons
- Transport Package
- Iron Belt Fastened, Orcustomize Pavka
- Specification
- Galvanized steel
- Trademark
- SDRD
- Origin
- China
- Production Capacity
- 50000ton/Month
Product Images of Stainless Steel Seamless Tube 321 904L Duplex 2205 2507 Super Alloy Steel Pipe for Chemical Marine Industry
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Product Description


Product Name | Galvanized Steel Pipe |
Shape | Square, Rectangle |
Standard | ASTM A53, EN 10255, BS 1387, GB/T 3091, etc. |
Grade | Q235, Q345B, Q345C, Q345D, Q345E, Q355E, etc. |
Category | Hot-dip galvanizing, electro-galvanizing |
Specification | 16*16-1000*1000mm 10*20-1000*800mm |
Thickness | 0.4-50.0mm |
Length | 6000mm, 9000mm or as custom |
Zinc Layer | 20-275g/ |
Tensile Strength | 400-550MPa |
Yield Strength | ≥235MPa |
Features | Stronger protection and corrosion resistance |
Applications | Curtain wall, construction, machinery manufacturing, etc. |
Specification Comparison Table | |||
Square Tube | Rectangle Tube | ||
Specification(mm) | Thickness(mm) | Specification(mm) | Thickness(mm) |
16×16 | 0.4-1.5 | 10×20 | 0.6-1.5 |
25×25 | 0.6-2.0 | 20×30 | 0.6-2.0 |
34×34 | 1.0-2.0 | 20×40 | 0.8-2.0 |
35×35 | 1.0-4.0 | 25×40 | 0.9-3.75 |
40×40 | 1.0-4.5 | 30×45 | 1.0-3.75 |
50×50 | 1.0-5.0 | 30×60 | 1.0-4.5 |
70×70 | 2.0-6.0 | 40×80 | 1.5-5.0 |
95×95 | 2.0-8.0 | 50×60 | 2.0-5.0 |
120×120 | 4.0-8.0 | 80×100 | 2.0-8.0 |
150×150 | 6.0-10.0 | 120×80 | 2.5-10.0 |
200×200 | 6.0-12.0 | 180×150 | 2.5-12.0 |
250×250 | 6.0-14.0 | 200×150 | 4-12.0 |
350×350 | 8.0-14.0 | 300×150 | 6-12.0 |
420×420 | 10.0-14.0 | 450×200 | 8-12.0 |
550×550 | 10.0-40.0 | 500×350 | 10-12.0 |
800×800 | 10.0-50.0 | 800×400 | 10-28.0 |
1000×1000 | 10.0-50.0 | 1000×800 | 10-28.0 |






2.Q: How is your Payment Term?
A: Our usual payment methods are T/T, L/C, D/A, D/P, Western Union, MoneyGram, payment methods can be negotiated and customized with customers.
3.Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
4.Q: Can you provide sample?
A: Yes, for regular sizes sample is free but buyer need to pay freight cost.
5.Q:How can I get a quotation from you ?
A:You can leave us message, and we will reply every message in time. Or we may talk on line by Trademanager. And you can also find our contact information on contact page.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI2551997". Items marked "" are certified.
Company Profile
Shandong Ruida Steel Co., Ltd. is a large privately operated steel manufacture was founded 2021, located in Xingfu Economic Development Zone, county, which is the largeststeelcenter for black and white iron manufacture with convenient transportation, like Jidong Railway and National Highway 205 passing through and Jinan-Qingdao Expressway and Binzhou-Zibo Expressway connecting, less than 200 km away from Tianjin Port, Qingdao Port, Qingdao Airport, and Jinan Airport.
According to the overall deployment plan and the guideline of specialized operation, the company is now mainly engaged in such international and domestic business operations as importing raw materials, mainly iron ore; Producing and exporting cold rolled steel coil, galvanized steel coil, galvalume steel coil, prepainted steel coil and corrugated steel sheet; And processing materials as per clients' requirements.
Our company have two advanced GI / GL production lines and 3 PPGI/PPGL production lines, mainly produce galvanized and prepainted galvanized steel coils between [0.135-2.0]mm*[600-1250]mm Zinc coating: 40-275GSM, Alu-Zinc coating: 40-275GSM, and we can also produce all kinds of CRC, gi, gl, PPGI, PPGL, corrugated steel sheet, roofing tiles. And we had got greate reputations all over the world market.
We provide the annual output of 1000, 000 tons gi/gl, 500, 000 tons PPGI PPGL and 500, 000 tons of corrugated gi PPGI sheet. Now we had got ISO9001 quality system certification in July, 2005. At the same time, Standing on a new starting point and new leap and in the vigorously support of all fields friends, CREATE STEEL GROUP will continue to adhere to the concept of "Honesty, innovation, dedication, and total win", under the core values of "sincere to good, truth gathering money and fate, take the fine survive and with a new to enhanced " guidance, by technology, management, service, and brand of upgrade to make concerted efforts, make pioneering efforts, created more value for social, development together and dedication social with general customers!
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- 2728 No. 5 Building Grand Plaza, Huaiyin District, Jinan, Shandong, China
-
Registered Capital
- 3,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 25 tons
-
Supply Chain Partners
- 1
Our Production Capability & Technical Expertise
-
Main Products
- Hot Roll Coil, Cold Roll Coil, Galvanized Steel Coil, Galvalume Steel Coil, PPGL Coil, PPGI Coil, Zinc Coated Metal Corrugated Sheets, Color Roofing Sheets
-
QA/QC inspectors
- 1 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples, Minor Customization, Flexible customization, Full Customization, Customization from Designs
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2021-08-18
-
Export Year
- 4 years
-
Main Markets
- Africa
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 1
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What services can we provide?
- We are an iron and steel enterprise integrating industry and trade. Our company has been in steel business for more than ten years, we are internationally experienced, professional, and we can provide variety of steel products with high quality to our clients.
- How is your Payment Term?
- Our usual payment methods are T/T, L/C, D/A, D/P, Western Union, MoneyGram, payment methods can be negotiated and customized with customers.
- Can we visit your factory?
- Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
- Can you provide sample?
- Yes, for regular sizes sample is free but buyer need to pay freight cost.
- How can I get a quotation from you?
- You can leave us message, and we will reply every message in time. Or we may talk on line by Trademanager. And you can also find our contact information on contact page.
- What are the standard sizes available?
- Square tubes range from 16x16mm to 1000x1000mm. Rectangular tubes range from 10x20mm to 1000x800mm. Thickness varies from 0.4mm to 50.0mm.
- What materials and grades are offered?
- We offer Carbon Steel grades including Q195-Q420 Series, A36, Q235, Q235B, Q345, Q345b, S235, and Q355E.
- Is customization available for this product?
- Yes, we offer full customization, minor customization, flexible customization, and customization from samples or designs.
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Product Groups
- prepainted galvanized steel coils
- color stone coated roofing sheets
- steel tube
- galvanized steel coils
- UPVC roofing
- hot roll steel coils and sheets
- color coated corrugated roofing sheets
- galvalume steel coils
- cold roll steel coils and sheets
- aluminium zinc coated corrugated roofing sheets
- prepainted galvalume steel coils
- zinc coated corrugated metal roofing sheets
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