40X 40cr 41cr4 5140 SCR440 Hot Rolled Alloy Steel Round Bar

Name: 40X 40cr 41cr4 5140 SCR440 Hot Rolled Alloy Steel Round Bar
Brand: china-castingforging.com
SKU: 686227432
Availability: InStock
Rating: 4.9 (137 reviews)

Price:	US $ 630-650/Ton
Trade Terms:	FOB,CFR,CIF
Min Order:	20/Ton
Pay Type:	L/C,T/T

Contact Supplier

Qingdao Helio Steel Co., Ltd.

Showroom Product Company Profile

40X 40Cr 41Cr4 5140 SCr440 hot rolled alloy steel round bar

1.Comparable Standard

AISI/SAE	DIN	W.Nr.	AFNOR	JIS	BS	SIAU	GB,YB
4140	42CrMo4	1.7225	42CD4	SCM440	708A42	UM8	42CrMo
5140				SCr440			40Cr
5120	20Cr4			SCr435			20Cr

2.Chemical composition

Grade	C	Si	Mn	P	S	Ni	Cr	Mo	Cu	Al
AISI4140	0.38 0.41	0.15 0.35	0.85 1.00	Max 0.015	Max 0.040	Max 0.25	0.80 1.10	0.15 0.25	Max 0.35	0.012 0.030
40Cr	0.37~0.44	0.17~0.37	0.50~0.80	≤0.035	≤0.035	≤0.030	0.80~1.10
20Cr	0.18~0.24	0.17~0.37	0.50~0.80	≤0.035	≤0.035	≤0.30	0.70~1.00		≤0.30

3.Machinery properties

Material

Tensile strength.

(N/mm2)

Yield point

(N/mm2)

Elongation (%)

Contraction (%)

Impack work (J/cm2)

Hardness (HB)

20Cr

Min 835

Min 540

Min10

Min 40

Min 47

Max 179

40Cr

Min 980

Min785

Min 9

Min 45

Min 47

Max 207

4.Producing Line:

Iron - hot metal pretreatment - Converter - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center

Electric Furnace - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center

What we can offer and guarantee:

1.Gas content requirements : O2 - <20 ppm H2 - <2 ppm N2- <100 ppm
2.Grain Size: 6 or finer
3.Macro Etch: Not more than Grade2(C2R2S2)
4.UT test: Class C/c or better

5.Processing Line:Blast Furnace/Electric Arc Furnace LRF VD Continuous Caster Hot Rolling

6.High degree of purity,homogenous structure, impacting ductility

7.High Jominy Value

CONTACT INFORMATION:

Contact person:Lily

Prod Model:	40X 40Cr 5140 SCr440
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Diameter:	16-320mm
Length:	3-12m
Material:	40X 40cr 41cr4 5140 SCR440
Type:	Alloy Steel Bar
Standard:	BS
Technique:	Hot Rolled
Application:	Structural Steel Bar
Alloy:	Alloy
Special Use:	Mold Steel
Surface Treatment:	Black/Bright Surface

Qingdao Helio Steel Co., Ltd. Was established in March19, 2012. Our company's business staff members possess professional service capabilities of steel products, with more than a decade of experience on steel production, technology development, product sales and foreign trade. We comply the principle of friendly cooperation and mutual benefit, and persist in developing together with new and old customers.

Our company is located in Qingdao, a coastal city of Shandong Province, which is near Laiwu Steel Group. Only Laiwu City has steel production capacity of 20 million tons each year. Meanwhile, it is also the largest production base of powder metallurgy products in the whole country. Otherwise, there are more than ten well-known steel manufacturers within the province and the surrounding areas, so steel resources here is abundant and we can meet customers' various requirements.

Our company is mainly engaged in steel products for various specifications and materials, such as continuous casting billets, continuous casting tubes, hot-rolled bars, tubes, hot-rolled square steel, flat steel, H section steel, hot-rolled coils, cold-roll large-size panels, forging materials, and forgings.

We also run the import and export of steel products, based on the needs of customers at home and abroad to develop a variety of special steel products and timely delivery. I hope to sincerely cooperate with domestic and foreign customers, providing high-quality and low-priced products and professional services.