
Brand | ZHONGYUE | |||
Name | Tunnel curve bolt | |||
curve bolt, or the type by customers’ drawings | ||||
Grade | 4.6 | 5.6 | 8.8 | 10.9 |
Material | Q235 | 35# | 45# | 40Cr |
Mechanical properties | Tensile strength: ≥400Mpa | Tensile strength:≥500Mpa | Tensile strength:≥800Mpa | Tensile strength:≥1000Mpa |
Yield strength:≥240Mpa | Yield strength:≥300Mpa | Yield strength:≥640Mpa | Yield strength:≥900Mpa | |
Elongation:≥22% | Elongation:≥20% | Elongation:≥12% | Elongation:≥9% | |
Cold bending: 90 degree without crack | Cold bending: 90 degree without crack | Cold bending: 90 degree without crack | Cold bending: 90 degree without crack | |
Surface | plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing | |||
Standard refers | UIC864-2 |
Sticking to our quality first policy, ZHONGYUE pays great attention to quality control management. We have been granted ISO9001-2008 certificates and have received the production license of China's Railway Ministry on railway products. We have a full set of inspection instruments to ensure all our railway bolt products are of high quality and up to customers' requirements.
As a leading manufacturer of rail fastening based in China, ZHONGYUE also produces many other railway fasteners, such as track bolt, track spike, sleeper screw, rail anchor, rail joint bar, tie plate, rail clip, elastic rail clip, SKL tension clamp, rail shoulder, and so on.
Suzhou Zhongyue Railway Material Co.,Ltd.
Founded in 2013, located at No.199 Huanlou Road, development zone Kunshan city, we Suzhou Zhongyue Railway Material Co., Ltd. Is a leading and reputed manufacturer of qualified railway fasteners in China.
We are certified by ISO 9001:2008. We have a complete set of
inspection equipments to strictly control the quality of each
production procedure and make sure all the products reach the
international standards and customers’ requirements.
ZY team is composed of high professional senior engineers,
professional technicians and a group of highly experienced
operation workers, this is the strong guarantee of our products
quality. We have our own R&D team, after-sales service team and
quality-assurance team with the most advance technology and
management concepts.
With advanced technology, comprehensive testing facilities,
excellent management team and powerful processing capacity, our
products have been exported worldwide. After many times of
inspections by BV, SGS,ABS etc, our products have been well
recognized by our customers. We are qualified supplier of
Kazakhstan Railway, Thailand Railway, Zambia Railway, Indonesia
Railway, Malaysia Railway, Sweden Railway, New Zealand Railway,
American Railway, Canada Railway etc, supplying all kinds of
railway material to them for many years without any quality
complaint.
We not only can produce according to International standards,
customers’ drawings and samples, but also can provide design
proposal by our own high standard R&D department.
With the principles of quality first and customers first, ZY Rail
enjoys bulk popularity and high reputation at home and abroad,
while having many customers all over the world. With powerful
strength and broad vision, ZY rail is moving towards
internationalization of enterprises.