Specifications
Brand Name :
Guangda
Certification :
DNV, BV, Rina, ISO, GL, ABS, LR ,CCS ,PED
Place of Origin :
Jiangsu China
Payment Terms :
L/C, D/A, D/P, T/T
Supply Ability :
500000 ton/year
Delivery Time :
15-45 work days
Material :
25CrMo4 1.7218
Heat treatment :
Annealing,Normalizing,Tempering ,QT etc .
Standard :
EN10250,EN10083,SEW550 etc
Shape :
Round, flat, hexagonal, block, shaft etc
Surface :
Black, Turned , Rough turnned ,premachined,Polish
Length :
Max 10000mm (10m)
Diameter :
φ150-1500mm
Trade Mark :
GD
Description


25CrMo4 1.7218 forged round bar alloy steel 25CrMoS4 steel Manufacturer

25CrMo4 belongs to alloy structural steel, and also belongs to quenched and tempered steel in special steel.It is distinguishing for its good matching of high strength and high toughness through certain heat treatment.

25CrMo4 Steel has excellent hardenability and tempering properties by adding proper Cr, Mo and other alloy elements.Through suitable tempering treatment,it maintains high strength and high toughness,as well as high temperature resistance,wear-resistant properties. 25CrMo4 Steel is suitable for the parts which serve in a complex environment.




Forged Round Bar 25CrMo4 1.7218 Product features

Material 25CrMo4 1.7218
Type Forged bar ,round ,square, flat, block, shaft etc.
Diameter φ150-1500mm
Length Max 10000mm (10m)
Surface Black, peeled, polishing, bright, sand blast, hair line, etc.
Application

Mechanical engineering industry of automotive parts,oilfield equipment.
energy industries to make steam turbines, boiler fasteners.

Tensile strength test DIN EN ISO 6892-1
Impact test DIN EN ISO 148-1
UT DIN EN10228 Quality-Class 3 C/c or D/d
Grain size ASTM E112 / EN ISO 643
Applicable standard EN10250,EN10083,SEW550 etc
Certificate EN 10204 / 3.1 3.2


Forged Round Bar 25CrMo4 1.7218 Chemical Compostion

Standard Steel designation name Number C Si Mn P S Cr Mo Ni
EN10250 25CrMo4 1.7218 0.22-0.29 ≤0.40 0.60-0.90 ≤0.035 ≤0.035 0.90-1.20 0.15-0.30 -



Forged Round Bar 25CrMo4 1.7218 Mechanical properties

Mechanical properties in the quenched and tempered condition (continued)
Thickness of ruling section tR
Steel
designation
tR≤160mm 160<tR≤330mm 330<tR≤660mm2)
Standard Name Number Remin
N/mm²
Rmmin
N/mm²
A min
%
KV min
J
Remin
N/mm²
Rmmin
N/mm²
A min
%
KV min
J
Remin
N/mm²
Rmmin
N/mm²
A min
%
KV min
J
1 1) tr 1) 1 1) tr 1) 1 1) tr 1) 1 1) tr 1)
EN10250 25CrMo4 1.7218 450 700 15 50 400 650 17 13 45 27 380 600 18 14 38 22


Forged Round Bar 25CrMo4 1.7218 Comparison of steel grades

EN Number ISO 683-1:1987 Germany United Kingdom France Italy Sweden Spain
25CrMo4 1.7218 25CrMo4 25CrMo4 (708M25) 25 CD 4 (25CrMo4) 2225 -


Forged Round Bar 25CrMo4 1.7218 Heat treatment

  • Normalizing: 850 – 880°C,Cooling in air
  • Soft Annealing:680 – 720°C,Cooling in furnace
  • Stress relieve:450-650°C,Cooling in air
  • Hardening:820 – 880°C,oil or water quench
  • Quenching: 820860°C
  • Tempering:540 – 680°C,Cooling in air

About Guangda For forged round bar

  1. Directly manufactuer -- One stop for quality forged round bars
  2. Sold more than 100k tons for the round bars per year for overseas market.
  3. Register the exclusive trademark of GD in Europe.
  4. Experience for more than 10 years with quick delivery time and fast service.
  5. Listed company. Strong scientific research ability , Strength for Market experience and customer service .
  6. Certificate PED,DNV, BV, Rina, ISO, GL, ABS, LR etc.

25CrMo4 1.7218  Forged Round Bar Alloy Steel 25CrMoS4 GL ABS LR

25CrMo4 1.7218  Forged Round Bar Alloy Steel 25CrMoS4 GL ABS LR

25CrMo4 1.7218  Forged Round Bar Alloy Steel 25CrMoS4 GL ABS LR

25CrMo4 QT

1.7218

25CrMo4 material

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25CrMo4 1.7218 Forged Round Bar Alloy Steel 25CrMoS4 GL ABS LR

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Brand Name :
Guangda
Certification :
DNV, BV, Rina, ISO, GL, ABS, LR ,CCS ,PED
Place of Origin :
Jiangsu China
Payment Terms :
L/C, D/A, D/P, T/T
Supply Ability :
500000 ton/year
Delivery Time :
15-45 work days
Contact Supplier
25CrMo4 1.7218  Forged Round Bar Alloy Steel 25CrMoS4 GL ABS LR
25CrMo4 1.7218  Forged Round Bar Alloy Steel 25CrMoS4 GL ABS LR
25CrMo4 1.7218  Forged Round Bar Alloy Steel 25CrMoS4 GL ABS LR

Zhangjiagang Guangda Special Material Co., Ltd.

Site Member
3 Years
jiangsu
Since 2003
Business Type :
Manufacturer
Total Annual :
0.4 billion-0.6 billion
Employee Number :
1800~2500
Certification Level :
Site Member
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