ASTM a-183 Gr. 2 Square Heavy Nut

Shanghai SuYu Railway Fasteners Co., Ltd, one of the largest railway fasteners factories in China, are in the strength of providing competitive price with one class quality.

Material
1. Q235
2.45#

Grade
1.5grade
2.8grade

Surface Treatment
1. Plain (oiled)
2. Color paint
3. Black
4. Galavazing
5. HDG

Enquiry necessarity
1. Drawing with full size
2. Material
3. Grade
4. Surface treatment
5. Quantity

Application
It is used with bolt


Producing process
1. Raw material
2. Wire drawing
3. Shearing
4. Molding
5. Wire rolling
6. Heating treatment
7. Surface treatment
8. Finished product

Inspection machine
1. Brinell Hardness Tester
2. Carbon and Sulfur Analyzer
3. Rockwell Hardness Machine
4. Automatic Impact Testing Machine
5. Metallographic Microscope
6. Automatic High-speed Analyzer
7. Fatigue Testing Machine
8. Metallographic Specimen Polishing Machine
9. Metallographic Specimen Pointing Machine

Payment Terms
30% T/T deposit in advance, balance against B/L copy within 7 working days.

Shipping Terms: FOBShanghai, China

SUYU COMPANY PREFILE
Founded in 2003, SUYU is now a leading and reputed manufacturer of qualified railway fasteners in China. With its headquarter in Shanghai Pudong, and factory in Suzhou Province, Kunshan City.
We are certified by ISO 9001: 2008.
SUYU team: 5 senior engineers, 20 professional technicians and a group of highly experienced operation workers. We have our own R&D team, after-sales service team and quality-assurance team with the most advance technology and management concepts.
We are qualified supplier of Kazakhstan Railway, Zambia Railway, Thailand Railway, Indonesia Railway, Malaysia Railway, Sweden Railway, New Zealand Railway, American Railway, Canada Railway etc,
We can produce according to International standards like ASTM, DIN, BS, JIS, AS, NF, ISO, GB. Besides, we have our own high standard R&D department, willing to develop all kinds of non-standard products according to customers' drawings or samples.

Main product
1. Rail fastening system
2. Screw spike
3. Track spike
4. Elastic clip
5. Bolt & nut
6. Rail anchor
7. Rail clip
8. Rail shoulder
9. Fish plate
10. Base plate
11. Plastic and rubber part
12. Brake block
13. Rail