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SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface

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Buy cheap SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface from wholesalers

SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface

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Brand Name:UST

Model Number:Dia: 80-1200mm

Certification:ISO 9001

Price:USD 800- 1200/ton

Supply Ability:1500 ton/month

Delivery Time:Within 10-45 days

Company Data

SHANGHAI UNITE STEEL

Active Member

Contact Person Eric

Business Type: 86-21-35316960

Business Type: Manufacturer Distributor/Wholesaler Agent Exporter Trading Company Seller

Officials: Room 1109, Loft Office, Green Land International Plaza, No. 275-8 Guoding East Road, Shanghai 200433, P.R. China. (admin(a)shunitesteel.com)

Quality: Quality Certifitation Available

Product Details Company Profile

Product Details

SAE4340 Forged alloy steel, Forged steel bar, DIA 80-1200mm
Application
Components for the aircraft, automotive and general engineering industries eg. Propeller shafts, connecting rods, gear shafts, and other automobile parts. Heavy forgings, eg. Rotors, shafts, discs.
Equivalent Grades:

SAE	4340	JIS	SNCM439
Greman W.Stoff No.	1.6582	GB	40CrNiMoA
BS	816M40	EN	24

Chemical composition:

C	Si	Mn	P	S	Cr	Ni	Mo
0.38-0.43	0.15-0.35	0.60-0.80	0.035 max	0.040 max	0.7-0.9	1.65-2.0	0.2-0.3

Mechanical Properties:

Tensile strength

Yield strength

Elongation rate

Contractibility rate

Impact Energy

Hardness

(HBS100/3000)

≥980MPa

≥835MPa

≥12%

≥55%

≥78J

≤269

SPECIFICATION OF ALLOY STEEL AISI4340 ROUND BARS:

Diameter:	80mm-1200mm (optional)
Length:	1000mm-12000mm Straightness: 3mm/M max(optional)
Process:	Forged from vacuum degassed ingots.
Delivery condition:	Hot forged Rough machined (black surface after Q/T) Turned (optional)
Delivery Time:	10-40 days
Heat treatment:	Normalized / Annealed / Quenched / tempered (optional)
Technical Data:	According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
Test:	Ultrasonic test according to SEP 1921-84 Class C/c and D/d (optional)
Marking:	Grade, heat NO. length will be stamped one each bar with required color

Company Profile

SHANGHAI UNITE STEEL

We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.

In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest steelmaking history; BAO Steel, and Dongbei Special Steel Group-the biggest special steel manufacturer; TPCO, VALIN-largest seamless steel tube production enterprise; What's more, we have built long, deep and close business relationship with dozens of steel companies, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!