Seamless Steel Pipe Supplier from China
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EN 10219/S235 Welded Steel Pipe
PRODUCT PARAMETERS
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Description
EN 10219 standard is used to produce pipes, and cold-formed steel pipes EN 10219 S235JR are very suitable for welded structures.
Product Parameters
Product Name | EN 10219/S235 Welded Steel Pipe | |
Standard | EN/DIN/JIS/ASTM/BS/ASME/AISI etc. | |
Outer Diameter | Seamless: 1/4″-36″ | Welding: 21.3mm-3620mm |
Round Tube: 1/2″-10″ | Square Tube/Rectangular Tube: 15x15mm-400x600mm | |
Wall Thickness | Seamless: 1.25mm-50mm | Welding: 1.65mm-65mm |
Length | 3-12 meters, Support customization | |
Surface Process | Bright, Polished, Black | |
Other Services | Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc. |
Chemical Composition
Grade | C | Mn | P | Si | S | N |
S235JRH | 0.17 | 0.040 | 1.40 | – | 0.040 | 0.009 |
S355J0H | 0.22 | 0.035 | 1.60 | 0.55 | 0.035 | 0.009 |
S275J2H | 0.20 | 0.030 | 1.50 | – | 0.030 | – |
S355J2H | 0.22 | 0.030 | 1.60 | 0.55 | 0.030 | – |
S275J0H | 0.20 | 0.035 | 1.50 | – | 0.035 | 0.009 |
S355K2H | 0.22 | 0.030 | 1.60 | 0.55 | 0.030 | – |
Mechanical Properties
EN10210 | Yield Strength | Elongation(%) | Tensile Strength | Test Temperature(Celsius) | ||
-20 | 0 | 20 | ||||
S355J2H | 355 | 22 | 510-680 | 27 | – | – |
S275J0H | 275 | 23 | 410-560 | – | 27 | – |
S275J2H | 275 | 23 | 410-560 | 27 | – | – |
S235JRH | 235 | 26 | 360-510 | – | – | 27 |
S355J0H | 355 | 22 | 510-680 | – | 27 | – |
S355K2H | 355 | 22 | 510-680 | 40 | – | – |
Scope of Application
Welded pipe products are widely used in water engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation and so on.
USA | Japan | Germany | U.K. | France | Italy | Spain | Switzerland | China | ||
AISI/SAE | JIS | W‐nr. | DIN | BS | EN | AFNOR | UNI | UNE | SS | GB |
A570.36 | STKM 12A | 1.0038 | RSt.37‐2 | 4360 | ‐ | E 24‐2 | ‐ | ‐ | 1311 | 15 |
– | STKM 12C | – | – | 40 C | – | Ne | – | – | – | – |
1015 | ‐ | 1.0401 | C15 | 080M15 | ‐ | CC12 | C15, C16 | F.111 | 1350 | 15 |
1020 | ‐ | 1.0402 | C22 | 050A20 | 2C | CC20 | C20, C21 | F.112 | 1450 | 20 |
1213 | SUM22 | 1.0715 | 9SMn28 | 230M07 | 1A | S250 | CF9SMn28 | F.2111 | 1912 | Y15 |
11SMn28 | ||||||||||
12L13 | SUM22L | 1.0718 | 9SMnPb28 | ‐ | ‐ | S250Pb | CF9SMnPb28 | 11SMnPb28 | 1914 | ‐ |
‐ | ‐ | 1.0722 | 10SPb20 | ‐ | ‐ | 10PbF2 | CF10Pb20 | 10SPb20 | ‐ | ‐ |
1215 | ‐ | 1.0736 | 9SMn36 | 240M07 | 1B | S300 | CF9SMn36 | 12SMn35 | ‐ | Y13 |
12L14 | ‐ | 1.0737 | 9SMnPb36 | ‐ | ‐ | S300PB | CF9SMnPb36 | 12SMnP35 | 1926 | ‐ |
1015 | S15C | 1.1141 | Ck15 | 080M15 | 32C | XC12 | C16 | C15K | 1370 | 15 |
1025 | S25C | 1.1158 | Ck25 | ‐ | ‐ | ‐ | ‐ | ‐ | ‐ | 25 |
A572-60 | ‐ | 1.890 | StE380 | 4360 55 | ‐ | ‐ | FeE390KG | ‐ | 2145 | ‐ |
1035 | ‐ | 1.0501 | C35 | 060A35 | ‐ | CC35 | C35 | F.113 | 1550 | 35 |
1045 | ‐ | 1.0503 | C45 | 080M46 | ‐ | CC45 | C45 | F.114 | 1650 | 45 |
1140 | ‐ | 1.0726 | 35S20 | 212M36 | 8M | 35MF4 | ‐ | F210G | 1957 | ‐ |
1039 | ‐ | 1.1157 | 40Mn4 | 150M36 | 15 | 35M5 | ‐ | ‐ | ‐ | 40Mn |
1335 | SMn438(H) | 1.1167 | 36Mn5 | ‐ | ‐ | 40M5 | ‐ | 36Mn5 | 2120 | 35Mn2 |
1330 | SCMn1 | 1.1170 | 28Mn6 | 150M28 | 14A | 20M5 | C28Mn | ‐ | ‐ | 30Mn |
1035 | S35C | 1.1183 | Cf35 | 060A35 | ‐ | XC38TS | C36 | ‐ | 1572 | 35Mn |
1045 | S45C | 1.1191 | Ck45 | 080M46 | ‐ | XC42 | C45 | C45K | 1672 | Ck45 |
1050 | S50C | 1.1213 | Cf53 | 060A52 | ‐ | XC48TS | C53 | ‐ | 1674 | 50 |
1055 | ‐ | 1.0535 | C55 | 070M55 | 9 | ‐ | C55 | ‐ | 1655 | 55 |
1060 | ‐ | 1.0601 | C60 | 080A62 | 43D | CC55 | C60 | ‐ | ‐ | 60 |
1055 | S55C | 1.1203 | Ck55 | 070M55 | ‐ | XC55 | C50 | C55K | ‐ | 55 |
1060 | S58C | 1.1221 | Ck60 | 080A62 | 43D | XC60 | C60 | ‐ | 1678 | 60Mn |
1095 | ‐ | 1.1274 | Ck101 | 060A96 | ‐ | XC100 | ‐ | F.5117 | 1870 | ‐ |
W1 | SK3 | 1.1545 | C105W1 | BW1A | ‐ | Y105 | C36KU | F.5118 | 1880 | ‐ |
W210 | SUP4 | 1.1545 | C105W1 | BW2 | ‐ | Y120 | C120KU | F.515 | 2900 | ‐ |
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FAQs
We offer a wide range of high-quality pipe products, including:
- Hot Rolled Seamless Pipes – Ideal for high-pressure applications in industries like oil, gas, and chemicals.
- Precision Pipes – Designed for high accuracy and smooth surfaces, commonly used in automotive, hydraulic, and machinery applications.
- High Strength Pipes – Built to withstand extreme conditions, perfect for heavy industries such as steel, mining, and construction.
- Special-Shaped Pipes – Customized pipes in non-standard shapes and sizes for specialized industries like aerospace, shipbuilding, and more.
Each product is designed to meet the specific needs of various industries, offering superior quality, durability, and performance.
At Citontek Co., Ltd., we offer flexible and reliable shipping options to ensure timely delivery of our products worldwide. We partner with leading logistics providers to offer the following shipping methods:
- Sea Freight – For bulk orders and cost-effective long-distance shipping, we work with top international carriers for safe and reliable sea freight.
- Air Freight – For urgent shipments, we offer air freight services through global carriers, ensuring fast delivery for smaller orders or time-sensitive products.
- Rail Freight – In regions with developed rail infrastructure, we can arrange rail shipping as an efficient and cost-effective option.
- Road Freight – For local or regional deliveries, we use trusted road transport companies to ensure safe and timely deliveries.
- Express Shipping – For small, urgent orders, we can arrange express services via major couriers like DHL, FedEx, or UPS.
We ensure that every shipment is carefully handled, with full tracking available for all orders to provide visibility and peace of mind to our customers.
At Citontek Co., Ltd., we offer flexible and reliable shipping options to ensure timely delivery of our products worldwide. We partner with leading logistics providers to offer the following shipping methods:
- Sea Freight – For bulk orders and cost-effective long-distance shipping, we work with top international carriers for safe and reliable sea freight.
- Air Freight – For urgent shipments, we offer air freight services through global carriers, ensuring fast delivery for smaller orders or time-sensitive products.
- Rail Freight – In regions with developed rail infrastructure, we can arrange rail shipping as an efficient and cost-effective option.
- Road Freight – For local or regional deliveries, we use trusted road transport companies to ensure safe and timely deliveries.
- Express Shipping – For small, urgent orders, we can arrange express services via major couriers like DHL, FedEx, or UPS.
We ensure that every shipment is carefully handled, with full tracking available for all orders to provide visibility and peace of mind to our customers.
At Citontek Co., Ltd., we aim to make the ordering process as smooth and efficient as possible. Here’s a simple overview of our process:
- Inquiry and Consultation:
Contact us with your product requirements, including specifications, quantities, and any customization needs. Our team will respond promptly to discuss your project. - Quotation and Confirmation:
Based on your requirements, we provide a detailed quotation including pricing, lead time, and shipping options. Once you approve the quote, we proceed with the next steps. - Order Placement:
After confirming the details, you can place your order by signing a purchase agreement or confirming the order in writing. - Production and Quality Checks:
Upon order confirmation, we begin the production process. During manufacturing, we conduct strict quality control checks to ensure the highest standards. - Shipping and Delivery:
Once your order is ready, we arrange for shipping based on your preferred logistics method (sea, air, rail, or road). You will receive tracking information for real-time updates. - After-Sales Support:
After delivery, we offer continued customer support to ensure your satisfaction. We also provide assistance with any queries or issues regarding the products.
This straightforward process ensures that your order is handled efficiently from start to finish, with complete transparency at every step.
At Citontek Co., Ltd., we are committed to providing excellent after-sales service to ensure complete customer satisfaction. Our after-sales services include:
- Product Support:
We offer technical support to help you with product installation, usage, and maintenance, ensuring optimal performance of our pipes. - Quality Assurance:
We guarantee the quality of our products and will address any issues related to defects or non-conformance. If any product does not meet agreed-upon standards, we will work with you to resolve the issue promptly. - Replacement and Returns:
In the unlikely event of any product defects or discrepancies, we provide a clear process for returns and exchanges, including replacements at no extra charge. - Custom Support:
If you have any special requirements or need further customization after receiving your order, we offer support to meet your evolving needs. - Warranty:
We provide warranties on our products, which cover manufacturing defects and certain performance issues. The specific warranty terms are outlined at the time of purchase. - Logistics Assistance:
If there are any shipping or delivery concerns after your order has been dispatched, we assist with tracking and resolving any issues related to the transportation or delivery process. - Ongoing Communication:
We maintain open communication with customers after the sale to ensure their ongoing satisfaction, gather feedback, and address any further needs.
Our after-sales service is designed to ensure that our customers experience smooth operations and peace of mind with their purchased products.