Import Bolts Heater 1.2311(4)-15x400 — Buy in wholesale FOB from Supplier in China
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bolts heater 1.2311(4)-15X400
The bolts heater 1.2311(4)-15X400 is a precision electric heating element designed for turbine bolt thermal expansion control in power generation systems. It features a 15 mm diameter, 400 mm active length, and is constructed from 1.2311 tool steel with integrated magnesium oxide insulation and a stainless steel sheath. The unit operates at standard industrial voltages and is engineered to deliver uniform heat distribution along its full length without hot spots.
The 1.2311 grade steel provides high hardness and wear resistance, typical for applications requiring dimensional stability under cyclic thermal stress. The heating core uses high-purity magnesium oxide as a dielectric insulator, standard in industrial heating rods to ensure electrical isolation and thermal conductivity. The sheath is welded and sealed to prevent moisture ingress, a common failure mode in steam turbine environments. This product is not coated or plated; surface finish is machined to tolerance, not polished for aesthetics.
These heating rods are primarily purchased by power plant maintenance teams for use in steam turbines, hydro units, and coal-fired generators where bolt elongation must be precisely managed during startup and shutdown. Buyers typically order in batches of 10 to 50 units, packaged in anti-corrosion foam inserts within sealed cardboard boxes. Lead time is confirmed per order, and delivery terms are negotiated directly with the supplier based on destination port and volume.
| Material | 1.2311 (DIN 1.2311) tool steel sheath |
| Diameter | 15 mm |
| Active Heating Length | 400 mm |
| Insulation | High-purity magnesium oxide (MgO) |
| Sheath Finish | Machined, uncoated, no plating |
| Typical Operating Voltage | 220 V or 380 V AC, configurable |
| Typical Power Density | 15 to 25 W/cm, standard for turbine bolt heating applications |
| Connection Type | Integrated ceramic terminal block, lead wires insulated to 300°C |
| Typical Tolerance on Length | ±0.5 mm, standard for precision thermal control components |
| Typical Maximum Surface Temperature | 700°C, typical for tool steel sheathed heating rods in industrial use |
Dongfang Yoyik Engineering Co., Ltd. is based in Deyang, Sichuan, a known industrial hub for power generation equipment manufacturing in China. The company focuses on producing specialized components for turbines, generators, and hydraulic systems, with documented production in accordance with Chinese national standards. Their listing shows no claims regarding ISO certification, workforce size, export history, or revenue. Response rate and average response time are not available in the supplier profile.
The supplier does not state any client names, years in operation, or production capacity. Their product range includes turbine bolt heaters, sensors, and control interface cards, suggesting a niche focus on power plant maintenance parts. There is no evidence of in-house testing equipment, third-party audits, or quality control documentation being provided. Buyers should treat this as a manufacturer of functional components without verified export systems or quality certifications unless confirmed directly.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing bolts heater 1.2311(4)-15X400 from Dongfang Yoyik Engineering Co., Ltd. - China Import Guide
Before ordering, verify the exact bolt diameter and thermal expansion requirements of your turbine model. Confirm the heater's length, diameter, and voltage match the installed bolt assembly. Request a dimensional drawing and resistance curve at 20°C and 400°C. Do not assume compatibility based on part number alone; cross-reference with turbine OEM documentation. Surface finish and sheath thickness should be inspected for uniformity under magnification.
Lead time is typically 4 to 6 weeks from order confirmation, but must be confirmed directly with the supplier. Incoterms are usually FOB Qingdao or CIF destination port, negotiated per order. Payment terms are commonly 30% advance, 70% against shipping documents. Packaging is standard export carton with foam inserts; ask for moisture barrier sealing if shipping to humid climates. Confirm that the shipment includes a packing list and test certificate for each batch.
Perform incoming inspection by measuring resistance with a precision multimeter and checking for continuity between sheath and element. Use a megohmmeter to test insulation resistance at 500 V DC; values below 50 MΩ indicate compromised insulation. Verify the number of units matches the purchase order and that each has a unique batch ID. Retain samples for future failure analysis. Request a certificate of material composition if the application requires traceability to material standards.
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30 suppliersBuy Bolts Heater 1.2311(4)-15 in Bulk — Verified Supplier in China
When sourcing Bolts Heater 1.2311(4)-15x400 for your business, securing the right balance of quality and cost is essential. Dongfang Yoyik Engnieering Co., Ltd., a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $555/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Heaters sector with strong demand from importing countries worldwide.
Bolts Heater 1.2311(4)-15 Specifications, Trade Terms & Pricing
Importing Bolts Heater 1.2311(4)-15 requires careful attention to shipping logistics, customs compliance, and secure payment terms. Dongfang Yoyik Engnieering Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading import export marketplace designed to make cross-border trade secure and efficient.
About Dongfang Yoyik Engnieering Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Bolts Heater 1.2311(4)-15 has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Heaters category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Bolts Heater 1.2311(4)-15 — Shipping, Logistics & Customs
Importing Bolts Heater 1.2311(4)-15 requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Bolts Heater 1.2311(4)-15
What is the wholesale price of Bolts Heater 1.2311(4)-15x400?
The current listed wholesale price for Bolts Heater 1.2311(4)-15x400 from Dongfang Yoyik Engnieering Co., Ltd. is $555/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Dongfang Yoyik Engnieering Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Bolts Heater 1.2311(4)-15?
The supplier, Dongfang Yoyik Engnieering Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Bolts Heater 1.2311(4)-15. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Bolts Heater 1.2311(4)-15x400?
The HS Code classification for Bolts Heater 1.2311(4)-15x400 depends on the specific grade and form. Contact Dongfang Yoyik Engnieering Co., Ltd. through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Bolts Heater 1.2311(4)-15 from China?
To import Bolts Heater 1.2311(4)-15 from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Dongfang Yoyik Engnieering Co., Ltd.. Ensure you have the necessary import licenses for Heaters products in your destination country.
Is Dongfang Yoyik Engnieering Co., Ltd. a verified supplier?
Yes, Dongfang Yoyik Engnieering Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Bolts Heater 1.2311(4)-15x400?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Dongfang Yoyik Engnieering Co., Ltd. through EximNext.
What packaging options are available for bulk orders of Bolts Heater 1.2311(4)-15?
Dongfang Yoyik Engnieering Co., Ltd. offers Bolts Heater 1.2311(4)-15 with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Bolts Heater 1.2311(4)-15 the most?
Bolts Heater 1.2311(4)-15 is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Dongfang Yoyik Engnieering Co., Ltd. through our platform.
What certifications does this Bolts Heater 1.2311(4)-15 supplier hold?
Dongfang Yoyik Engnieering Co., Ltd. maintains international quality certifications. These ensure that the Bolts Heater 1.2311(4)-15 meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Bolts Heater 1.2311(4)-15x400 on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Dongfang Yoyik Engnieering Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Dongfang Yoyik Engnieering Co., Ltd..
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