ASTM 4130 Steel round bar

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29-May-2024

is a kind of structural alloy steel round bar under ASTM A29/A29M-04 standard. More informational about specification and details, please see the following:

ASTM4130

Details:
1, ASTM4130 specification: DIA 80-1200mm(forged round bar), 80-1200mm(square bar) Length 3-16 meters
2, ASTM4130 heat treatment: Quenching,Annealing,Normalizing and Tempering.
3, ASTM4130 tolerance: 0-+3mm(DIA), 0-+10mm(Length)

Chemical composition %:

Grade	Chemical composition %:
Grade	C	Si	Mn	S	P	Cr	Ni	Cu	MO
ASTM4130	0.28-0.33	0.15-0.35	0.40-0.60	≤0.040	≤0.035	0.80-1.10	≤0.030	≤0.030	0.15-0.25

mechanical properties:

Grade	Mechanical properties:
	Tensile strength σb (Mpa)	Yield strength σs (Mpa)	Elongation δ5/（%）	Percentage reduction of areaψ (%)	Impact AKv(J)	Notched bar impact strength αkv (J/cm&sup2)	Hardness
	min	min	min	min	min	min	max
ASTM4130	930(95)	785(80)	12	50	63	78(8)	229

Our company, KUNFENG can produce all sizes of ASTM4130 forged steel round bar, ASTM4130 forged square bar, ASTM4130 forged shafts and ASTM4130 forged blocks.

Tags: 1340, 1330, 90Cr3