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GB Q355E DIN S355K2 Hot Forged Carbon Steel

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  • GB Q355E/DIN S355K2

  • Qilu

Product Description

GB Q355E DIN S355K2 Hot Forged Carbon Steel


1: DIN S355K2 steel introduction

     S355K2 belongs to the European standard low alloy high strength structural steel plate, "S" stands for structural steel, "355" stands for the specified minimum yield point (MPa), which will be reflected in its mechanical properties. "K2" means that the impact energy at -20℃ is not less than 40 J ("K" means the required 40 J and "2" means -20℃). It carries high strength, high toughness, fatigue resistance, impact resistance, wear resistance, corrosion resistance, welding and easy processing properties.



                               C45 4Cr5MoSiV1

S355J0 steel Stock in warehouse


2: DIN S355K2 Quality Standard

EN10025-2 2005-ENG Hot rolled products of structural steel.pdf


3: DIN S355K2 Steel equivalent

Country China Japan Germany USA British
Standard GB/T 1591 JIS DIN (W-Nr.)
EN 10025-2 / DIN17100
AISI/ASTM
BS
Grade Q355E
S355K2



4: DIN S355K2 steel chemical composition

Grade C Si Mn P S Cr Cu Ni
S355K2 0.24 0.60 1.70 0.035 0.035 / 0.60 /
Q355E 0.22 0.55 1.60 0.025 0.025 0.30 0.40 0.30


5: DIN S355K2 steel mechanical properties

   The mechanical properties mainly include tensile strength, yield strength, elongation, area or reduction, hardness, impact value, non-metalic inclusion etc. Different heat treatment, the mechanical properties will be different, such as normalized, tempered, QT. If you want to know the properties, kindly contact the salesman.


6: DIN S355K2 steel overviews

Size Round Dia 6-1200mm
Plate/Flat/Block Thickness
6mm-500mm
Width
20mm-1000mm
Heat treatment Normalized ; Annealed ; Quenched ; Tempered
Surface condition Black; Peeled; Polished; Machined; Grinded; Turned; Milled
Delivery condition Forged; Hot rolled; Cold drawn
Test Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc.
Payment terms T/T;L/C;/Money gram/ Paypal
Trade terms FOB; CIF; C&F; etc..
Delivery time 30-45 days


7: DIN S355K2 Steel Application

  S355K2 is used to manufacture all kinds of construction machinery. Such as drilling machine, electric shovel, electric wheel dumper, mining truck, excavator, loader, bulldozer, various cranes, coal mine hydraulic support and other mechanical equipment and other structural parts used in mine and various engineering construction.


8: DIN S355K2 Steel Tolerance


Diameter(mm)

Tolerance

Forged Steel Round Bar

80-600

Black Surface:0~+5

Rough Machined or Turned:0~+3

650-1200

Black Surface:0~+15

Rough Machined or Turned:0~+3

Hot Rolled Steel Round Bar

16-310

Black Surface:0~+1

Peeled:H11

Cold Drawn Steel Round Bar

6-100

Black Surface:H11

Peeled:H11


9: Delivery condition

   For hot forged  bar, usually the delivery condition is hot forged, annealed/solid solution, rough turned/Black surface.
   For hot rolled bar, usually the delivery condition is hot rolled, annealed/solid solution, Black surface.
   For hot rolled plate, usually the delivery condition is hot rolled, annealed/solid solution, black surface.

   For cold drawn bar, usually the delivery condition is cold drawn, annealed/QT, peeled/black surface



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