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Bright bar AISI 4140 DIN 1.7225 alloy structural steel round bar for small orders

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Tianjin J&H Steel Trading Co.,Ltd

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Bright bar AISI 4140 DIN 1.7225 alloy structural steel round bar for small orders

Model Number : AISI 4140

Place of Origin : China

MOQ : 1T

Price : $500-$1000/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 : AISI 4140

Standard : AISI, ASTM, DIN,BS

Dimension : 30-300mm or as customed

Technique : Hot rolled / forged cold draw

Application : structural steel

Alloy or not : alloy

Surface : polish or black or pealed

Legnth : 2-6m or as customed

Tolerance : -0+3mm, Straightness: max. 2mm/m.

Payment terms : T/T , L/C, West union

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Bright bar AISI 4140 DIN 1.7225 alloy structural steel round bar for small orders

Alloy Structural Steel Bar AISI 4140 Details

Material: AISI 4140 steel round bar
Grades: ASTM 8615, 8617, 8620 and 8622
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 of Alloy Structural Steel Round Bar AISI4140

C	Si	Mn	S	P
0.38-0.43	0.15-0.35	0.75-1.00	0.040(max)	0.030(max)
Cr	Ni	Cu	Mo
0.80-1.10	0.030(max)	0.030(max)	0.15-0.25

Machnical Properties

Tensile strength (N/mm2Mpa): >=1080
Elongation: >=12
Yield strength: >=785(80)
Hardness: <=217HB
Reduction of area:>=45
Akv(J):>=63
akv(J/cm2)>=78(8)

Equivalent Grades

USA	Japanese	Gemany	British	France	International	Chinese
ASTM&AISI&SAE	JIS	EN DIN	EN BS	EN NF	ISO	GB
ASTM 4140	SCM440	42CrMo4			------	42CrMo

Application

Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.

Packaging&Shipping

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

Company Main Products

Structural 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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Bright bar AISI 4140 DIN 1.7225 alloy structural steel round bar for small orders

Surface Polished bar

Surface Bright Bar

Black & Grinding Surface Bar

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: Elaineli8899@gmail.com
Skype:lifenjing_1988
Phone/Whatsapp:+86-151-22169604

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