Ck45 SAE1045 C45 4140 4130 Scm440 Steel Forging/Forged Steel Bars

China Ck45 SAE1045 C45 4140 4130 Scm440 Steel Forging/Forged Steel Bars, Find details about China Forged Steel Bar, Steel Forging from Ck45 SAE1045 C45 4140 4130 Scm440 Steel Forging/Forged Steel Bars

Basic Info.

Model NO.

steel bar

Special Use

Cold Heading Steel, Free Cutting Steel, Mold Steel

Application

Structural Steel Bar

Forged Steel Bars

Forging Parts

Delivery Time

20-30days

Size Tolerance

-0/+0.5mm

Heat Treatment

Qt or Normalized or Annealing

Trademark

Shandong

Transport Package

Seaworthy Pacakging

Specification

200mm-1000mm

Origin

China

Model NO.

steel bar

Special Use

Cold Heading Steel, Free Cutting Steel, Mold Steel

Application

Structural Steel Bar

Forged Steel Bars

Forging Parts

Delivery Time

20-30days

Size Tolerance

-0/+0.5mm

Heat Treatment

Qt or Normalized or Annealing

Trademark

Shandong

Transport Package

Seaworthy Pacakging

Specification

200mm-1000mm

Origin

China

Product Desciption

Alloy Steel Round Bar 4140/Aisi 4140 Round Bar,1.7225 Steel,4140 Round Steel Bar
forged steel bar
carbon or alloy steel bars
hot forging

forged steel bar heat treatment
Soft annealing: heat to 680-720°C, cool slowly.
Hardness after annealing: Max. 241 HB
Hardening: 820 - 850 °C
Normalizing temperature: 840-880°C
Tempering: 540-680°C

forged steel bar inspection:

Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C

forged Steel bar packing situation:

standard seaworthy packing or as customer required
forged steel 4140 steel bar delivery time:
always ready stock shipped within 7days,30 days for new material
forged alloy steel bar production process:
EAF+LF+VD ( necessary) +UT+ Peeled(optional) +Turned (optional) + Heat Treatment (optional)
Ck45 SAE1045 C45 4140 4130 Scm440 Steel Forging/Forged Steel Bars

Ck45 SAE1045 C45 4140 4130 Scm440 Steel Forging/Forged Steel Bars

forged steel bar main grades

	Steel grades	C	Si	Mn	Cr	Mo	Ni	P	S	V	w
Carbon Structure Steel	Q235(B)/SS400/S235JR/A36	≤ 0.20	≤0.35	≤1.4	0.3-0.4		≤0.30	≤ 0.045	≤ 0.045
	20#/CK22, CK20/1020/ 050A20/S20C	0.17-0.23	0.17-0.37	0.35-0.65	0.3-0.4		≤0.30	≤ 0.035	≤ 0.035
	45#/CK45, C45/1045/080M46/S45C	0.42-0.5	0.17-0..37	0.5-0.8	0.3-0.4		≤0.30	≤ 0.035	≤ 0.035
Alloy Structure Steel	20Cr/20Cr4/5120/527A19/SCr420H	0.18-0.24	0.17-0.37	0.50-0.80	0.70-1.00	≤0.15	≤0.30	≤ 0.035	≤ 0.035
	40Cr/41Cr4/5140/520M40/SCr440	0.37-0.44	0.17-0.37	0.5-0.8	0.8-1.1	≤0.15	≤0.30	≤ 0.035	≤ 0.035
	30CrMo/4130/1717COS110/ SCM420	0.26-0.34	0.17-0.37	0.4-0.7	0.8-1.1	0.15-0.25	≤0.30	≤ 0.035	≤ 0.035
	35CrMo/34CrMo4/4135/708A37	0.32-0.40	0.17-0.37	0.4-0.7	0.8-1.1	0.15-0.25	≤0.30	≤ 0.035	≤ 0.035
	42CrMo/42CrMo4/4140/708A42/ 708M40	0.38-0.45	0.17-0.37	0.5-0.8	0.90-1.2	0.15-0.25	≤0.30	≤ 0.035	≤ 0.035
	8620H	0.17-0.23	0.15-0.35	0.65-0.95	0.35-0.65	0.15-0.25	0.35-0.75	≤0.025	≤ 0.035
	40CrNiMoA/40CrNiMo22/4340/ 871M40/SNCM439	0.37-0.44	0.17-0.37	0.50-0.80	0.60-0.90	0.15-0.25	1.25-1.65	≤ 0.025	≤ 0.025
Spring Steel	55Si2Mn/55Si7/9255/250A53/SUP6	0.52-0.60	1.50-2.00	0.60-0.90	≤0.35		≤0.35	≤ 0.035	≤ 0.035
	60Si2MnA/65Si7/9260/250A61/SUP7	0.56-0.64	1.60-2.00	0.70-1.00	0.3-0.4		≤0.35	≤ 0.025	≤ 0.025
	50CrVA/50CrVA/6150/735A50/SUP10	0.47-0.54	0.17-0.37	0.50-0.80	0.80-1.10	≤0.15	≤0.30	≤ 0.025	≤ 0.025
	GCr15/100Cr6/E52100/534A99/SUJ2	0.95-1.05	0.15-0.35	0.25-0.45	1.40-1.65	≤0.10	≤0.30	≤ 0.025	≤ 0.025
Bearing Steel	52100	0.93-1.05	0.15-0.35	0.25-0.45	1.35-1.60	≤0.10	≤0.25	≤ 0.025	≤ 0.015