Technical conditions for alloy steel plates of 51CrV4

Price: 2000.0~5000.0 USD
Trade Term: FOB
Payment Terms: T/T,L/C
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Basic Info.
  • Model No.: 51CrV4 
  • Place of Origin: Guangdong  
  • Min.Order: 10 Ton
  • Means of Transport: Ocean
Supply Capacity
  • Production Capacity: 3000~5000T
  • Packing:Standard seaworthy export packing or as your requirement.
  • Delivery Date: 30 days

Technical conditions for alloy steel plates of 51CrV4

 

1.       Scope

The technical conditions apply to plates of 51CrV4 with thickness not more than 100mm. (10mm-100mm)

2.       Adopt standard:

EN10083-3 Steel for quenching and tempering part 3: Technical delivery conditions for alloy steels

3.       Dimension, Shape, Weight and Permissible Deviation

The dimension, shape, weight and permissible deviation shall meet the requirements of EN10029.

4.       Technical conditions

4.1   Chemical composition (Ladle analysis)

The chemical composition of plates shall be accordance with the following table 1.

Table 1 Chemical composition (Ladle analysis)

C

Si

Mn

P

S

Mo

Cr

0.38- 0.45

Max 0.35

0.60- 0.90

Max 0.035

Max 0.025

0.15- 0.25

0.90- 1.20

 

4.2   Mechanical properties

The mechanical properties of 51CrV4 shall meet the requirement as table 2.

Table 2 Tensile properties

Thickness mm

Yield strength MPa

Tensile strength MPa

+20 C Akv (J)

Transverse

Elongation %

Hardness Test HBW

21-60

Min 650

900-1100

Min 35J

Min 12

270-330

61-100

Min 550

800-1100

Min 35J

Min 12

270-330

 

4.3   Surface quality

The surface quality of plates shall be accordance with EN10163-2.

4.4   Ultrasonic inspection

Plates shall be ultrasonic inspected per EN10160-1999 S2E2.

4.5   Test method and inspection rules

Test items, sampling quantity, sampling method and test method shall conform to table 4.

Table 4 Test items for plates

No.

Test item

Quantity, Piece

Sampling method

Test method

1

Chemical composition (Ladle analysis)

1 (per batch furnace number)

EN10083-3

EN10083-3

2

Tensile test

1 (Rolled pc)

EN10083-1

EN10083-1

3

Impact test at +20C

3 (Rolled pc)

EN10083-1

EN10083-1

4

Hardness test

1 (Product pc)

EN10083-1

EN10083-1

5

Ultrasonic test

Each product pc

EN10160

EN10160

 

5.       Package, marking and certificate

Package, marking and certificate shall conform to EN10083-1.

6.       The third party inspection

The chemical composition, tensile test and Hardness test for plates of 51CrV4 shall be witnessed by surveyor of client.

7.       Delivery conditions

The delivery conditions for plates of 51CrV4 shall be Quenching + Tempering.

8.       Other requirements

The other requirements for plates of 51CrV4 shall be accordance with EN10083-3.

MTC accordance with EN10204 3.1


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Mr. Toby Tan
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Gloria Steel
C38C Room, City Plaza Chang'an Town, Dongguan, Guangdong, China (Mainland)
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