• Transport Package：Standard Sea Worthy
• Grades：1.1191 C45 S45c 1045
• MOQ：One Piece
• Heat Treatment：Annealed, Normalized, Qt
• Delivery Condition：Forged , Forged+Rough Turned
• Model NO.：JIS G4051 S45C
• Specification：200-1000mm
• Origin：China
• Production Capacity：3000tons,Month

Basic Info.

Model NO. JIS G4051 S45C Delivery Condition Forged / Forged+Rough Turned Heat Treatment Annealed, Normalized, Qt MOQ One Piece Grades 1.1191 C45 S45c 1045 Transport Package Standard Sea Worthy Specification 200-1000mm Origin China Production Capacity 3000tons/Month

Product Description

JIS G4051 S45C Forged Steel Round Bar / SEP 1921 UT S45C Forged Steel Bar
1.JIS G4051 S45C forged steel bar sizes we can offer;
Round bar: 200-1000mm
Square bar:150×150-600×600mm

2.Supply condition for JIS G4051 S45C Forged steel bars:Black /Rough Machined /Rough turned

3.JIS G4051 S45C 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)

4.Futhur heat treatment for JIS G4051 S45C forged steel :
Normalized
Annealed
Q&T(Quenched&Tempered)

5.JIS G4051 S45C Steel Equivalent
AFNOR XC 42 TS AFNOR XC 45 AFNOR XC 48 AFNOR XC42
DIN 1.1191 JIS S 45C JIS S 48 C SS 1672
ASTM A29 ASTM A510 ASTM A519 ASTM A576
FED QQ-S-635 (C1045) FED QQ-S-700 (1045) SAE J403 ASTM A682
SAE J414 ASTM A183 (2-Nuts) ASTM A236 (1045) SAE J412
ASTM A266 (1045) ASTM A827 ASTM A830 QQ S700 (C1045)
SAE J1397 (1045)      

6.JIS G4051 S45C Forged steel chemical composition

Standard	Grade	C	Si	Mn	P	S
GB/T699	45	0.42-0.5	0.17-0.37	0.5-0.8	0.035	0.035
JIS G4051	S45C	0.42-0.48	0.15-0.35	0.6-0.9	0.03	0.035
ASTM A29/A29M	1045	0.43-0.5	0.15-0.35	0.6-0.9	0.04	0.05
EN 10083-2	C45E/1.1191	0.43-0.5	0.4	0.5-0.8	0.03	0.035

7.JIS G4051 S45C Forged steel Application
Gears Pins Rams
Shafts Rolls Sockets
Axles Spindles Worms
Bolts Ratchets Light gears
Studs Crankshafts Guide rods
Connecting rods Torsion bars Hydraulic clamps

8.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

9.Heat treatment of JIS G4051 S45C

Forging
Heat to 850°C - 1250°C (1562°F - 2282°F)
Hold until the temperature is uniform
Cool in furnace
Annealing
Heat to 800°C - 850°C (1472°F - 1562°F)
Hold until the temperature is uniform
Cool in furnace.
Normalizing
Heat to 870°C - 920°C (1598°F-1688°F)
Hold until the temperature is uniform
Soak for 10 - 15 minutes
Cool in still air
Stress Relieving
Heat to 550°C - 660°C (1022°F - 1220°F)
Hold until the temperature is uniform
Soak for 1 hour per 25mm of section
Cool in still air
Hardening
Heat to 820°C - 850°C (1508°F - 1562°F)
Hold until the temperature is uniform
Soak for 10 - 15 minutes per 25mm of section
Quench in water or brine
Tempering
Re-heat to 400°C - 650°C (752°F - 1202°F ) as required
Hold until the temperature is unifo

10.MOQ: one piece per size/grade

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

12.Delivery time : 7 to 30 days after deposit received.










JIS G4051 S45C Forged Steel Round Bar / SEP 1921 UT S45C Forged Steel Bar
JIS G4051 S45C Forged Steel Round Bar / SEP 1921 UT S45C Forged Steel Bar
JIS G4051 S45C Forged Steel Round Bar / SEP 1921 UT S45C Forged Steel Bar