Specifications
· Grade: Alloy steel
· Standard: AISI, ASTM, BS, DIN, GB, JIS
· OD: 10-500mm
· Thickness: Max:800mm
· Width: 205mm~2300mm
· Length: 1000mm~6000mm
· Place of Origin:China(Mainland)
· Model Number: 1.7220 / SCM430 / 30CrMo4 / 4130 ; 4140/42CrMo4/1.7225; En24 34CrNiMo6 1.6582 4340.
· Application: Mould steel
· Technique: Forged
· Special Use: Mold Steel ,Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
· Shape: /Flat bar/Plate
· Technology: Hot Rolled/Forged/Clod Draw
· Heat treatment: Annealing/Q+T
· Surface treatment:Black/Peeling/Polishing/Machined
· Delivery condition: Hot rolled or forged/ Peeled or black surface/annealed or QT
· Customer's logo: Available
· Test: SGS/UT100%/Elements testing
· Certificate: ISO/Mill certificate
· Experience: Ten years manufacturer experience
Chemical composition
|
Standard Number |
C |
Mn |
Si |
Cr |
Mo |
P |
S |
Ni |
|
|
GB |
42CrMo |
0.38~0.45 |
0.50~0.8 |
0.17~0.37 |
0.9~1.2 |
0.15~0.25 |
≤0.035 |
≤0.035 |
≤0.3 |
|
AISI |
4140 |
0.40~0.45 |
0.75~1.0 |
0.15~0.35 |
0.8~1.1 |
0.15~0.25 |
≤0.035 |
≤0.040 |
|
|
GB |
40CrNiMoA |
0.37~0.44 |
0.17~0.37 |
0.50~0.80 |
0.6~0.9 |
0.15~0.25 |
≤0.035 |
≤0.035 |
1.25~1.65 |
|
AISI |
4340 |
0.38~0.43 |
0.15~0.35 |
0.60~0.80 |
0.7~0.9 |
0.20~0.30 |
≤0.035 |
≤0.040 |
1.65~2.00 |