Exh.boiler
ELECTRODE L-55 3.2MM 5KG, FOR HIGH TENSILE STEEL, Ordered from
catalog IMPA: 850702PIPE CARBONSTEEL HIGH-TEMP., STPT SCH-40 1-1/4″(32A)X5.5MTR,
Ordered from catalog IMPA: 710507
Standard length: 5.5 mtrs. Ref. JIS-G-3456 (STPT-370) standard industrial quality. STPT denotes Steel Tube Piping
Temperature. Equal quality to ASTM A106, DIN17175, BS3602 and ISO2604. Available in black only. Most common
schedule (Wall Thickness) Number 40, 80 and 160 are listed below. They are used for temperatures over 350 .
NA..NA.710507
Low hydrogen type electrode designed for all positions welding of 50-55 kg/cm2 high tensile strength steeI. The deposited
metal contains less hydrogen, and shows high crack resistance as well as excellent mechanical properties. X-ray quality and
notch-toughness.
NA..NA.850702
Key Features
Technical Specifications
Case Study
We believe the projects that we have executed speak for themselves. CITIC HIC has engineered and provided 6 AG mills of Ø12.2m×11m (28000kW gearless drive) and 6 overflow discharge ball mills of Ø7.9×13.6m (2×9000kW gear drive) for Sino Iron Project in Australia. For Zijin Mining’s Duobaoshan Copper Mine project in Heilongjiang, we have manufactured and provided SAG mills of Ø11×6.4m (2×9000kW) and overflow discharge ball mills of Ø7.9×13.6m (2×9000kW) which have been well operating currently.
Brazilian Miner Vale SA
Wengfu Phosphate Mine Project Phase II in Saudi Arabia (Ma'aden)
Vedanta Project in South Africa
Laos Phonesack Group's KSO Gold Mine Project (83,000t/d)
Mongolian Erdenet Mining Corporation's Copper Mine Project (20,000t/d)
Full-process Solution for Mineral Grinding
We believe the projects that we have executed speak for themselves. CITIC HIC has engineered and provided 6 AG mills of Ø12.2m×11m (28000kW gearless drive) and 6 overflow discharge ball mills of Ø7.9×13.6m (2×9000kW gear drive) for Sino Iron Project in Australia. For Zijin Mining’s Duobaoshan Copper Mine project in Heilongjiang, we have manufactured and provided SAG mills of Ø11×6.4m (2×9000kW) and overflow discharge ball mills of Ø7.9×13.6m (2×9000kW) which have been well operating currently.

Why Choose CITIC HIC's Grinding Mills
- High cost-effectiveness
CITIC HIC grinding mills are recognized as China’s Manufacturing Industry Single Champion Product. CITIC HIC is responsible for setting the national standards of semi-autogenous mills (SAG mills) and ball mils, supported by powerful database, optimized process technology, cutting-edge design concept, and 60 years of experience in developing and nurturing innovative technology. - High operating rate
The long life cycle of our products is based on the adoption of international standards, high-quality materials, state-of-the-art processing techniques. - Low-carbon & environmental-friendly processes
Intelligent control technology coupled with long-life wear-resistant materials results in low-carbon and eco-friendly operations. - High-efficiency service
Our service network is distributed all over the world, and our service team of seasoned professionals is reliable and willing to assist along the way. We are able to deliver quick response to customer needs and provide full life cycle support via online monitoring and diagnosing, product upgrading and continuous process improvement.