Railway Square Flat Bolt DIN ASTM Standard M20 M22 M24 M30 Railway Bolt

Basic Information
Place of Origin: JiangSu,China
Brand Name: ZhongYue
Certification: SGS TUV
Model Number: M20 - M50
Minimum Order Quantity: 5000 pc
Price: negotiable
Packaging Details: in woven bags on wooden pallet
Delivery Time: 30 days after order
Payment Terms: T/T
Supply Ability: 1,000,000pcs per month
Material: Q235, 35#,45#,40Cr Grade: 4.6/4.8/5.6/8.8/10.9/12.9
Surface Treatment: Plain Oiled, Oxide Black, Zinc, HDG, Wax, Bitumen, Dacromet, Sherardizing Type: Square Flat Head
MOQ: 5000 PCS
High Light:

hexagon head bolt

,

steel bolts and nuts

 

Railway Square Flat Head Bolt

 

 

Other Name:

Rail Bolt, Square Bolt, Railway Bolt, Track Bolt,sleeper bolt,stud bolt,anchor bolt,clamp bolt,insert bolt

 

Standard:

DIN, JIS, ISO, ANSI, ASTM, BS, AS

 

Application:

 

Railway, Mining, Bridge, Boat, Construction and so on

 

Specifications:

Grade:4.8/ 8.8/ 10.9/ 12.9

Dimensions:M20, M22, M24 M25, M27, M28, M30, M32, M40, M50 and so on

 

Brand ZhongYue
Name Railway bolt
Type HS26/HS32
Square head 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

 

Railway Square Flat Bolt DIN ASTM Standard M20 M22 M24 M30 Railway Bolt 0

 

Production Procedure

 

Raw material —— Wiredrawing —— Cutting the wire rod to length —— forming the head —— cutting Edge —— Heat Treatment —— Surface treatment —— Final inspection —— Packaging —— Shipment

Railway Square Flat Bolt DIN ASTM Standard M20 M22 M24 M30 Railway Bolt 1

 

Surface Treatment


1.plain (oiled)
2.color paint
3.oxide Black (most choice)
4.Zinc
5.HDG
6.bitumenizing
7.wax
8.phosphatiert

 

 

Railway Square Flat Bolt DIN ASTM Standard M20 M22 M24 M30 Railway Bolt 2

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

 

 

Our Company

    Established in 2013, ZY Railway has become one of the largest manufacturers of Railway fasteners in China. Our products are manufactured according to international standards such as ASTM, DIN, BS, JIS, AS, NF, ISO,GOST and GB. They are inspected frequently by BV, SGS, and ABS. We have been granted ISO9001:2008 certificate and provide products to famous companies such as VAE, Hilti,Vossloh etc. We are a qualified supplier of Canada railway, Kazakhstan railway, American railway, Zambia railway, Thailand railway, Indonesia railway, Malaysia railway, Sweden railway, New Zealand railway, South Africa railway etc.

 

     According to our quality first rule, ZY pays a lot attention to quality control process. We have been granted by ISO9001-2008 certificates and received the production license of China's Railway Ministry on railway products. We have a full set of inspection instruments to make sure all our railway bolt products are of high quality and up to clients' requirements.

 

 

Contact Details
Lucia