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Tianjin Wanlei Steel Pipe Co.,Ltd
TEL: 86-22-65815991
FAX: 86-22-25343802
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JIS G3461 Carbon Steel Boiler Heat Exchanger Tubes
Grade of JIS G3461 carbon steel boiler heat exchanger tubes STB340,STB410,STB510 Hardness of J IS G3461 carbon steel boiler heat exchanger tubes Hydraulic test of JIS G3461 carbon steel boiler heat exchanger tubes The tue shall be sujected to hydraulic pressure and kept at the designated...
Description
Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of jis g3461 carbon steel boiler heat exchanger tubes in China, featured by quality products and low price. If you're going to wholesale durable jis g3461 carbon steel boiler heat exchanger tubes made in China, welcome to get pricelist and free sample from our factory.
JIS G3461 Carbon Steel Boiler Heat Exchanger Tubes
Products Description
JIS G3461 carbon steel boiler and heat‑exchanger tubes are seamless carbon steel tubes manufactured for boiler, heat exchanger and thermal energy equipment service. Available grades cover STB340, STB410 and STB510. These tubes feature stable mechanical performance under high‑temperature working conditions, widely applied for thermal power, heating and industrial heat transfer systems. All products follow JIS standard requirements and pass hydraulic test and non‑destructive inspection before shipment.
Product Specifications
Grade of JIS G3461 carbon steel boiler heat exchanger tubes
STB340,STB410,STB510
Hardness of JIS G3461 carbon steel boiler heat exchanger tubes
| Symbol of grade | Hardness (HRB) |
| STB340 | 77max |
| STB410 | 79max |
| STB510 | 92max |
Hydraulic Test
Each tube shall bear designated hydraulic pressure and maintain pressure for no less than 5 seconds, with zero leakage during testing.
Non‑destructive Examination
Non‑destructive tests shall comply with JIS G0582 or JIS G0583. Alternative inspection methods can be confirmed through negotiation between buyers and our factory.
Product show of JIS G3461 carbon steel boiler heat exchanger tubes
Core strengths
Standard‑Compliant Material Performance
Manufactured strictly in compliance with JIS G3461 standard. STB340, STB410 and STB510 grades deliver stable mechanical properties and qualified hardness data for high‑temperature boiler and heat‑exchanger operating conditions.
Complete Testing Procedures
Every batch undergoes hydraulic pressure test and non‑destructive examination. Tubes are kept under specified pressure for at least 5 seconds to rule out leakage risks for thermal equipment.
Multiple Grade Options
A full range of grades are available to match varied temperature and pressure parameters. Suitable for diverse thermal power, heating and industrial heat transfer project requirements.
Flexible Custom Support
We support custom cut‑to‑length, special marking and customized packaging. We can adjust solutions according to customer drawings and actual project demands.
Tianjin Wanlei Steel Pipe Co., Ltd is a reliable manufacturer and exporter engaged in steel pipes and pipe fittings. We cover a wide product range including boiler tubes, heat‑exchanger tubes, seamless carbon steel pipes and related matching fittings.
We own complete production and testing facilities, and strictly carry out full‑item inspection for every production batch. We comply with multiple international standards such as ASTM, JIS, EN and GB/T. Mill test certificates are available for each shipment, and third‑party inspection is acceptable upon clients' demand.
Focusing on global industrial pipeline projects, we deliver stable supply and practical sourcing solutions for overseas buyers. We keep improving product quality and service system to satisfy diversified procurement requirements from different markets.
01
High Quality
Strict whole‑process quality supervision runs through raw material incoming check, production processing to finished‑product delivery. Every lot is inspected before leaving factory to lower project application risks.
02
Complete Production Capacity
IWe possess supporting production lines for various steel pipes and fittings. Stable output supports both bulk order delivery and small‑batch project‑oriented orders.
03
Experienced Technical Team
Our technical and sales team has rich experience in steel pipe foreign trade business. We provide timely technical communication and professional proposal support for your project demands.
04
Diversified Project Solutions
Beyond standard steel pipe products, we work out targeted solutions for different working conditions. We handle special size, marking and packaging requirements for overseas projects.
FAQ
Q: Q1 What is your main product range
A: A1: We supply various seamless welded steel pipes and pipe fittings including flanges elbows tees reducers and forged fittings. Carbon steel stainless steel and alloy steel materials are available for industrial pipeline projects.
Q: Q2: Can you accept custom orders?
A: A2: Yes we support OEM and ODM service. Custom sizes wall thickness marking painting and packaging are acceptable according to client drawings and technical requirements.
Q: Q3: What standards can your products meet?
A: A3: Our products comply with ASTM ASME API EN DIN GB/T ISO standards. Mill test certificates will be provided for each batch of goods.
Q: Q4: Do you support third‑party inspection before shipment?
A: A4: We accept third‑party inspection such as SGS BV before loading. All dimensions surface and material composition can be checked as client requires.
Q: Q5: What about your production lead time?
A: A5: Normally the lead time is about 30 working days based on order quantity. Stock items can be delivered much faster.
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