40X 40cr 41cr4 SCR440 Forged Normalized Annealed Forged Round Bars / 5140 Forged Steel

• 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: Mold Steel
• Model NO.: 40X 40Cr 41Cr4 SCr440
• Commodity: Forged Steel Round Bar
• Products: Forged Steel Square Bar
• Grade: SAE 5140 40c 41cr4 40cr SCR440
• MOQ: 1PCS
• Ut: Sep 1921 C/C D/D
• Transport Package: Standard Export Packing
• Specification: 200-1000mm
• Origin: China
• Production Capacity: 3000tons/Month

Product Description

40X 40Cr 41Cr4 SCr440 Forged normalized Annealed Forged Round Bars / 5140 Forged Steel


1.SAE 5140 40Cr SCr440 forged steel bar sizes we can offer:

Round bar	200-1000mm
Square bar	150×150-600×600mm
Other forged part	as per drawing

2.Supply condition for SAE 5140 40Cr SCr440 Forged steel bars:
Black /Rough Machined /Rough turned

3.Futhur heat treatment for SAE 5140 40Cr SCr440 forged steel :
Normalized
Annealed
Q&T(Quenched&Tempered)

4.SAE 5140 40Cr SCr440 Forged Steel round bar tolerance:

Forged Bars	Forged sizes	Tolerance
Black	up to 500mm	(-0/+5mm)
	above 500mm	(-0/+8mm)
Rough Turned	all sizes	(-0/+3mm)

5.SAE 5140 40Cr SCr440 Forged Steel equivalent grade and chemical composition

Standard	Grade	C	Cr	Mn	Si	P	S
GB/T3077	40Cr	0.37-0.44	0.8-1.1	0.5-0.8	0.17-0.37	0.035	0.035
TOCT 4543	40X	0.36-0.44	0.8-1.1	0.5-0.8	0.17-0.37	0.035	0.035
JIS G4053	SCr440	0.38-0.43	0.9-1.2	0.6-0.9	0.15-0.35	0.03	0.03
ASTN A29/A29M	5140	0.38-0.43	0.7-0.9	0.6-0.9	0.15-0.35	0.03	0.03
ISO 693	41Cr4	0.38-0.45	0.91.2	0.6-0.9	0.1-0.4	0.035	0.035
EN 10083	41Cr4	0.38-0.45	0.91.2	0.6-0.9	0.1-0.4	0.025	0.035

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.












40X 40Cr 41Cr4 SCr440 Forged normalized Annealed Forged Round Bars / 5140 Forged Steel
40X 40Cr 41Cr4 SCr440 Forged normalized Annealed Forged Round Bars / 5140 Forged Steel
40X 40Cr 41Cr4 SCr440 Forged normalized Annealed Forged Round Bars / 5140 Forged Steel