low price forged alloy structural steel round bar SNCM439 AISI4340 for small orders

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low price forged alloy structural steel round bar SNCM439 AISI4340 for small orders

Name: low price forged alloy structural steel round bar SNCM439 AISI4340 for small orders
Brand: Dura
Price: 500 USD

Brand Name : Dura

Model Number : 4340

Place of Origin : China

MOQ : 1T

Price : $500-$800/T

Payment Terms : Western Union, MoneyGram, L/C, T/T

Supply Ability : 5000T per Month

Delivery Time : within 20 days after the deposit

Packaging Details : in bundle

Material : 4340

Standard : AISI, ASTM, DIN,BS

Dimension : 6-450mm

Technique : Hot rolled

Application : model steel

Alloy or not : Alloy steel

Surface : polish or black

Legnth : 3-12m

Tolerance : +-0.05mm or as your request

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low price forged alloy structural steel round bar SNCM439 AISI4340 for small orders

Alloy Steel Bar 4340 Details

Material: AISI4340 steel round bar
Grades: ASTM 4340,4140,4142
Technique: forging,hot rolled, cold draw
Surface: black, turned and ground,bright
Diameter: 10 to 1200mm
Length: 2000 to 13000mm or customized
Process: EAF + LF + VD + forged + heat treatment (annealed, normalized, Q+T))

Chemical Composition 4340

C	Si	Mn	S	P	Cr	Ni	Mo
0.38-0.43	0.15-0.35	0.60-0.80	0.040(max)	0.035(max)	0.70-0.90	1.65-2.00	0.20-0.30

4340 Machnical Properties

Tensile strength (N/mm2Mpa): >=980(100)
Elongation: >=12
Yield strength: >=835(85)
Hardness: <=197HB
Reduction of area:>=55
Akv(J):>=78
akv(J/cm2)>=98(10)

Equivalent Grades

USA	Japanese	Gemany	British	France	International	Chinese
ASTM&AISI&SAE	JIS	EN DIN	EN BS	EN NF	ISO	GB
AISI 4340	SNCM439	36CrNiMo4	816M40	40NCD3	------	40CrNiMoA

Application

Bent axle of engine, cross beam, undercarriage, pressure vessel, torsion shaft, transmission shaft, frictionclutch shaft, etc.

Packaging&Shipping

Packing Detail: Standard seaworthy packing or as customer required.
Delivery Detail: 20 days

Company Main Products

Alloy Steel	5140,5115,5120,5130,5145,4118,4130,4135,6150,5115,4142,4130,4118,6150,4140,4720,4320 ,E9310,8620,4340
Tool Steel	H13,1.2344,SKD61,D2,SKD11,1.2379,1.2510,01,SKS3,95MnWCr5,D3,SKD1,1.2419, SKS31,H21,SKD5,1.2581,P20,35CrMo7,1.2738,1.2316,M2
Bearing Steel	GCr15,52100,SUJ1,SUJ2,100Cr6,1.2067,55C,8620,4320,9310,440C,M50,8620h
Spring Steel	9260,SUP6,SUP7,1.7108,54SiCr6,1.7102,5155,SUP9,1.7176,5160,1.7177,6150, SUP10,51CrV4,1.8159,SUP10,

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low price forged alloy structural steel round bar SNCM439 AISI4340 for small orders

Surface Polished bar

Surface Bright Bar

Black & Grinding Surface Bar

Cooperated Manufacturer
low price forged alloy structural steel round bar SNCM439 AISI4340 for small orders

FAQ

Q: Are you trading company or manufacturer ?

A: Currently we only do trading. Our founders are professionals in machining. We specialize in metallic parts manufacturing and work with one 3000 square meter well equipped machining center, one professional peeled steel rod/shaft manufacturer with long history and several small enterprises for welding and jointing.

Q: How long is your delivery time?

A: Normally 30 days is required. We need a reasonable lead time to ensure quality.

Q: How to guarantee the quality?

A: (1)We make samples for your testing quality prior to batch production.

(2)We offer one year warranty for our products.

Q: Can you provide a reference list?

A: We do OEM and protect our customer’s information, that means no exposure without our customer’s permission. You may refer to our transaction history for part of our exports.

Contact Information
Email: Ellieli8899@gmail.com
Skype:lifenjing_1988
Phone/Whatsapp:+86-151-22169604

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