SAE / AISI 4140 Forged Steel Round Bars

China SAE / AISI 4140 Forged Steel Round Bars, Find details about China Forged Round Bar, Forged Steel Round Bars from SAE / AISI 4140 Forged Steel Round Bars

Basic Info.

Model NO.

Forged Steel Round Bars

Heat Treatment

Annealed, Normalized, Qt

MOQ

One Piece

Grades

SAE 1045 S45c C45 Ck45 1.1191

Products

SAE 1045 S45c Forged Steel Round Bar

Ut Standard

Sep 1921 C/C D/D E/E

Types

Forged Steel Round Bar, Square Bar,Rings

Transport Package

Standard Sea Worthy

Specification

200-1200mm

Origin

China

Model NO.

Forged Steel Round Bars

Heat Treatment

Annealed, Normalized, Qt

MOQ

One Piece

Grades

SAE 1045 S45c C45 Ck45 1.1191

Products

SAE 1045 S45c Forged Steel Round Bar

Ut Standard

Sep 1921 C/C D/D E/E

Types

Forged Steel Round Bar, Square Bar,Rings

Transport Package

Standard Sea Worthy

Specification

200-1200mm

Origin

China

Product Desciption

AISI 4140 Forged Steel Round Bars

1.AISI 4140 forged steel bar sizes we can offer;
Round bar: 200-1200mm
Square bar:150×150-700×700mm
Rings and other special profile : as per drawing

2.Supply condition for 4140Forged steel bars:Black /Rough Machined /Rough turned

3.Futhur heat treatment for forged steel :
Normalized
Annealed
Q&T(Quenched&Tempered)

4.Forged Steel round bar tolerance:
Black surface
Forged sizes up to 500mm (-0/+5mm)
Forged sizes above 500mm in diameter (-0/+8mm)
Machined surface to all sizes (-0/+3mm)

5.AISI 4140 forged steel bar Equivalent and chemical composition

element	Content
Carbon, C	0.380 - 0.430 %
Chromium, Cr	0.80 - 1.10 %
Iron, Fe	96.785 - 97.77 % (As remainder)
Manganese, Mn	0.75 - 1.0 %
Molybdenum, Mo	0.15 - 0.25 %
Phosphorous, P	≤ 0.035 %
Silicon, Si	0.15 - 0.30 %
Sulfur, S	≤ 0.040 %

6.Quality control:
1. Melting Process: EAF/BOF+LF+VD resulting in ingots
2. Both ends cut by saw
3. Ratio of forging:minimum 3:1
4. Grain size of final product: according to ASTM E112 more than 5,preferred more than 8
5. Ultrasonic test: As per SEP1921 Class C/c or D/d

7.MOQ: one piece per size/grade

8.Payment term: FOB CIF CFR EXW and so on

9.Delivery time : 7 to 30 days after deposit received.
SAE / AISI 4140 Forged Steel Round Bars