SAE 5140 40X Forged and Rough Turned Steel Round Bar

• 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.: SAE 5140 40X
• 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

SAE 5140 40X Forged and Rough Turned Steel Round Bar


1.SAE 5140 40X 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 40X  Forged steel bars:
Black /Rough Machined /Rough turned

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

4.SAE 5140 40X 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 40X 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.\










SAE 5140 40X Forged and Rough Turned Steel Round Bar
SAE 5140 40X Forged and Rough Turned Steel Round Bar
SAE 5140 40X Forged and Rough Turned Steel Round Bar