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R50 GOST standard state railway rail

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R50 GOST standard state railway rail
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Overview
Quick Details
Standard:
DIN, GB
Grade:
U71Mn
Rail Heigth:
152mm
Bottom Width:
132mm
Web Thickness:
15.5mm
Head Width:
70mm
Length:
12-30m
Place of Origin:
Inner Mongolia, China
Brand Name:
Baogang
Model Number:
P50
Type:
Heavy Rail
Application:
Railway Rail
Weight:
51.51 kg/m
Secondary Or Not:
Non-secondary
Bolt Hole Diameter:
26mm
Name:
50kg Russian standard rail
Usage:
Russian national railway line
Key words:
R50 rail, P50 rail
Warranty:
12 Months
Certificate:
3.1 MTC/3.2 CE
MOQ:
20 tons
Payment term:
L/C
Telerance:
Within -2%-2%
Product Keywords:
GOST P50 rail
Brand:
BISG
Supply Ability
Supply Ability:
5000 Ton/Tons per Day
Product Description

R50 Russian standard railroad steel rail

Detailed Images

P50 steel rail also be named R50 rail, it means Russian GOST standard steel rail, usually be used to Russian national railway line.
We can supply the longest rail is 30 meters. If you want to transport it by railway, we only can transport the length is 25 meters, because the length of railway flatcar is 25m, and we only can transport to Chinese border of Manchuria or Suifenhe city now, because China-Europe Train only can load container now.
The materials is U75V, it is higher than Russian standard. The MOQ is 30 tons

Heavy rail
Height (mm)
Bottom width 
(mm)
Head 
width 
(mm)
Middle thickness (mm)
Length (m)
Weight (kg/m)
Standard
P50
152
132
70
15.5
12-25
51.51
GOST
P60
176
150
73
16.5
12-25
60.64
GOST
P65
180
150
75
18
12-30
65
GOST
Suitable fasteners
Our Company
Our Service
Exportable international standard flat bottom rail:

Rail for Railway 43, 50, 60, 75kg/m U71Mn, U75V, U76CrRE, U20Mn TB/T2344-2012, TB/T3276-2011

P50, P60, P65 K76, M76T GOST-R51685-200

S49, UIC54, UIC60 900A UIC860

JIS50N, JIS60, JIS75 R260, R350HT JIS E1101

AS50, AS60, AS68 R260, R350HT AS1085, BHP RT STD

90RA, 100RE, 115RE, 132RE, 136RE SS, HH AREMA, ASTM

TR-45, TR-50, TR-57, TR-68 R260, R350HT ASTM

BS75A, BS90A, BS100A 900A BRITISH STANDARD

49E1, 50E2, 54E1, 60E1, 60E2 R260, R260Mn, R350HT EN 13674-1:2011

Switch Rail 50AT1, 60AT1, 60AT2, 60TY1,BT76, 75AT U71Mn, U75V, U76CrRE TB/T3109-2013

Crane Rail QU80, QU100, QU120, CR175 U71Mn YB/T5055-2014

ASTM A759-2000

Grooved Rail 59R2, 60R2 U75V EN 14811:2006

Standard EN 13674 - 1:2003 consists of two main parts:

−qualification test and

−acceptance tests

Qualification tests are some other tests that were previously carried out, as for example, fracture toughness. Acceptance tests characterize the properties of the prescribed tests, which ensure production of high quality rails, and testing requirements of railway administration.

Quality of rails is based on measured values of hardness, by which they introduced new labels for steel rails.

Qualifying tests

Qualification testing must be conducted at least one in five years and the major

changes in technology, production rails. Additional testing residual stresses are carried

out on all types of steel rails every two years maximum, provided that the longitudinal

strain rate in the rails can amount to up to 250 MPa.

The prescribed qualifying examination is the following:

−fracture toughness

−fatigue crack growth rate

−fatigue testing

−residual stress in rail foot

−variation of centre line

−tensile strength and elongation

−segregation

−other qualification requirements

Acceptance tests

Within acceptance testing is carried out a series of laboratory tests such as:

−chemical composition (the maximum content of the following elements: H, O, Al, V, N and oligo elements)

−microstructure (increasing x 500)

−degree of decarburizing charred layer (allowed up to 0.25 mm)

−purity of steel (especially the presence of oxide)

−macrostructure (Baumann test)

−hardness

−tensile strength

Other acceptance testing rails are:

−dimension tolerances

−criteria (control template)

−inspection requirements / tolerances for to internal quality and surface quality

Internal state is examined ultrasound in a continuous process control, and includes at least 70% of the head and at least 60% web.

- Standard of UIC 860 V: 1996 - prescribed four types pearlite steel rails in the range of tensile strength from 700 to 1300 MPa.

- Standard EN 13674 - 2003, provides seven types pearlite steel hardness in the range 200 to 390 HBV, types steel in accordance with EN 13674, based on the values of hardness (R 200, R 220, R 260, R 260 Mn, 320 Cr, 350 HT, 350 LHT).

Factory Images
FAQ

Q: What's included in the service range and what the core value of it is?
A: Our service mainly refers to quality products, good service for resourcing, inspection, shipment loading, and installation guidance. The core value is "sincere one stop solution for client's projects and requests".

Q: What's your offer validity period?
A: Price offered by our company will be good for 2-5 working days upon quotation email sent.And we'll keep you updated time

Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q: What is your terms of delivery?
A: FOB, CFR , CNF ,CIF , DDP , etc.

Q: How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q: Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds,but the demand must be big.

Q: What is the guarantee of the quality of your products?
A: We can accept any third party inspection.

Q: How do you make our business long-term and good relationship?
A: We maintain good quality and competitive prices in order to achieve a win-win situation.

Contact Us
The product can be accepted by customers in the industry due to its increasing economic benefits. This product enjoys a good reputation in the industry for its broad application prospects.
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