DIN Forged Round Alloy Steel Round Bar
DIN Forged Round Alloy Steel Round Bar
| Min. Order / Reference FOB Price | |
| 5 Tons | US $700-900/ Ton |
| Port: | Shanghai, China |
| Production Capacity: | 3000tons/Month |
| Payment Terms: | L/C, T/T, D/P, Western Union, Paypal, Money Gram |
| Type: | Alloy Steel Bar |
| Standard: | AISI, ASTM, GB, JIS, DIN, BS |
| Technique: | Forged |
| Application: | Structural Steel Bar, Tool Steel Bar, Die Steel Bar |
| Alloy: | Alloy |
| Special Use: | Alloy Steel |
Basic Info.
Model NO.
4140 STEEL
Delivery Condition
Forged / Forged+Rough Turned
Heat Treatment
Annealed, Normalized, Qt
MOQ
One Piece
Grades
SAE 4140 En19 42CrMo4
Transport Package
Standard Sea Worthy
Specification
200-1000mm
Origin
China
Product Description
Round bar: 200-1000mm
Square bar:150×150-600×600mm
Black /Rough Machined /Rough turned
Normalized
Annealed
Q&T(Quenched&Tempered)
Black surface
Forged sizes up to 500mm (-0/+5mm)
Forged sizes above 500mm in diameter (-0/+8mm)
Machined surface to all sizes (-0/+3mm)
Steel Application
steel finds many applications as forgings for the aerospace,oil and gas,automotive, agricultural and defense industries etc.
Typical applications for Scm440 steel uses include:forged gears,spindles,fixtures,jigs,collars,Axles,conveyor parts,crow bars,logging parts,shafts,sprockets,studs,pinions,pump shafts, rams, and ring gears etc
Heat treatment
Quenched and Tempered (+QT) of EN19 Steel
1. HeatScm440 steel slowly to 840-875°C;
2. Soak at this temperature then quench in oil;
3. Temper as soon as Scm440 reach room temperature (20°C);
4. Heat uniformly to the suitable temperature of 560°C;
5. Withdraw the material from the furnace and cool in the air.
Annealing of Scm440 Alloy Steel
1. Heat the Scm440 slowly to 800-850°C and allow enough time.
2. Cool slowly in the furnace to 480°C followed by air cooling
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