Steel Round bars for machine, buy astm 4140 alloy steel round bar on China Suppliers Mobile

Product Details

Product Detail

Quick Details

Steel Grade: 4140/42crmo/scm440/en19
Standard: AISI, ASTM, BS, DIN, GB, JIS
Dimensions: 16-320mm
Place of Origin: Shandong, China (Mainland)
Brand Name: Laiwu Steel
Model Number: round
Technique: Hot Rolled, Hot Rolled, EAL+LF+VD
Application: Structural Steel Bar
Alloy Or Not: Is Alloy
Special Use: Mold Steel
Type: Alloy Steel Bar
Product Name: astm 4140 alloy steel round bar
Grade: 4140/42crmo/scm440/en19
Diameter: 16-320mm
Length: 3-6m
Length tolerance: +100mm/-0mm
Straightness: max2mm/m
Test: UT
Sample: free offer
port: china main port

Packaging & Delivery

Packaging Details:	standard export packing or as required
Delivery Detail:	30 days after confirmation

astm 4140 alloy steel round bar

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Processing Line:

Iron - hot metal pretreatment - Converter - RefiningVD / RH- - Continuous Casting - Hot Rolling (KOC

KS) - heat --UT Check - Processing and Distribution Center

Grade comparison

GB	ASTM	JIS	DIN	BS	NF
42crmo	4140	Scm440	42crmo4	en19	42cd4

Chemical Composition

Grade	C	Cr	Mo	Si	Mn	P	S	Ni		Cu		Other
						≤
4140	0.38-0.45	0.90-1.20	0.15-0.25	0.17-0.37	0.50-0.80	0.035	0.035		0.30		0.30		-

Machnical Properties

Tensile Strength(Mpa) 1080
Yield Strength(Mpa) 930

Elongation 12
Shrinkage 45

Tolerance

d/a(mm)

5.5-7

7-20

20-30

30-50

50-80

80-110

110-150

150-190

190-250

(mm)

+0.30

-0.30

+0.35

-0.35

+0.40

-0.40

+0.50

-0.50

+0.70

-0.70

+1.0

-1.0

+1.3

-1.3

+2.0

-2.0

+2.5

-2.5

Application

1)Can be used in many fields such as building, automobile, shipbuilding, petrochemical, machinery, medicine, food, electric power, energy, space, building and decoration, etc.

2): Can be made into mould template, mortise pin, column

3): This kind of steel have good mechanical property, is widely used in structural parts which may support stress alternation, especially made into some connecting rods, bolts, wheel gear...

4): This kind of steel is the most common blanks and materials of shaft parts.

Its die welding material model is CMC-E45.

My contact way:(Please feel free to contact me if have any need )

Packaging & Shipping

Production Flow Chart:

Company Information

Tianjin Guotai Qiancheng Iron & Steel Co., Ltd., based in the largest steel trading market in China, Tianjin, as a direct agent of Tiantie Zhaer Steel which is one of the largest steel manufacturers in China specializes in the export of Screw-thread steel bars for the prestressing of concrete ,anchorages and PC stranded steel wire including HRB500, PSB500, PSB785, PSB830, PSB930, PSB1080 of 15mm, 16mm, 18mm 20mm, 22mm, 25mm, 28mm, 32mm, 36mm, 40mm, 50mm, 75mm and other specifications, Left hand screw thread steel bars, Right hand screw thread steel bars and Deformed steel bars of HRB500E, HRB500 , HRB400E , HRB335 grades. Besides, we also supply construction and building use steel products including Stainless steel pipes,sheets and coil, Aluminum ingots and billets, Steel angle bars, I beam, H beam, T beam, PPGI and other steel products from major steel mills in China.

Adhering to the integrity of management and customer first concept, we will continue providing high quality products to customers with good service.

Contact : Mr. Tom

FAX : 0086-022-26802018

QQ : 809137356

website : www.guotaiqiancheng.en.china.cn

We warmly welcome kind inquiries and visit from customers from all over the world for mutual benefit and bright future !