40CrNiMoA Forged steel round bars en24 steel round aisi 4340 steel price
This product surface through special grinding and hard chromium plating technology, then through mirror polishing, friction resistance, corrosion resistance characteristics, can be directly used for cylinder, cylinder, shock absorber, textile printing and dyeing, printing machinery guide rod, die-casting machine, injection molding machine guide plunger and four-column press guide post, fax machines, printers and other modern office machinery guide shaft and some precision slender shaft for the parts industry products.
Material: high quality 4340steel
Outside diameter tolerance: f7 - f8 (other tolerance can be custom made)
The surface roughness: Ra0.2-0.4
Hard chromium thickness: 0.015 0.025 mm
Surface hardness: HV700-1150
Straightness: 0.05 to 0.10 m/m
The standard length: 1-6 meters
High tensile steel ASTM 4340 forged round bars en24 steel round aisi 4340 steel price
The other can be customized by the takanami surface treatment depth 1-3 mm, takanami hardness: HRC45 ℃ ~ 52 ℃
4340 1.6511 Alloy Steel Rod Bar Price 34crnimo6 1.6582 Standards:ASTM,JIS,GB,EN(DIN,BS,NF) Or Per as clients’ requires.
Product Basic Information:
|
Material |
ASTM 4340 |
||
|
Chemical Composition |
Mechanical Properties(In Quenched & Tempered State) |
||
|
C |
0.38~0.43 |
Tensile strength(MPA) |
≥1080(110) |
|
Si |
0.15~0.35 |
Yield strength (MPA) |
≥930(95) |
|
Mn |
0.60~0.80 |
Elongation(δ5/%) |
≥12 |
|
Cr |
0.7~0.90 |
Reduction in Area (ψ/%) |
≥45 |
|
Ni |
1.65~2.0 |
Impact (J) |
≥63 |
|
P |
≤0.035 |
Hardness (HB) |
anneal 229 heating temperature 850C |
|
S |
≤0..040 |
||
|
Cu |
≤0.30 |
||
|
Mo |
0.2~0.3 |
||
2.Product Application Areas:
Our products have been used in all kinds of areas, such as aviation,aerospace,navigation,nuclear energy,chemical industry,
electronic information,achine manufacture, petrochemical, automotive,instrument and meter, Communication ,transportation, and medical instruments, etc.
3.Similar steel grade & equivalent steel materials:
|
USA |
Japanese |
Gemany |
British |
France |
heat treatment |
Chinese |
|
ASTM&AISI&SAE |
JIS |
EN DIN |
EN BS |
EN NF |
ISO |
GB |
|
4340 |
------ |
|||||
Product Sales Information:
|
Material |
Chrome Alloy steel |
|
Size |
Diameter:16-1000mm Length:500mm-6000mm |
|
Origin place |
Made In China |
|
Delivery Condition |
Hot rolled,cold drawn,forged |
|
Surface require |
Black,grinding,bright,polish |
|
Heat treatment |
Quenched,Tempered,annealed |
|
Packing |
seaworthy packing ,wooden case ,carton,woven bag or at client's requires |
|
Delivery time |
In 10-50 days |
|
Trade Term |
EXW,FOB,CIF |
|
Payments |
T/T or L/C at sight |
|
Port |
China main Port,such as shanghai,Dalian,Shenzhen port. |
|
MOQ |
1 Ton |
Company Main Products:
|
Alloy Steel |
5140,5115,5120,5130,5145,4118,4130,4135,6150,5115,4142,4130,4118,6150,4140,4720,4320 ,E9310,8620,4340,1547,S42NL |
|
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,T7,Cr06,SUJ2,t5,t3,t4,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, |
|
Stainless Steel |
317,sus321,1.405,304,SUS304,1.4301,410,SUS410,1.4006,420,1.4021,1.4028, 434,1.4113,316L,SUS316L,1.4435,630,1.4542,431,1.4057,201,202,301,304,305.316 |
carbon steel 1008,1010,1020,0.35,1040,
Factory Manufacture Process:
1.Forged Ingot
2.Material Taking Machine
3.Forged Machine
4.Sawing Machine
5.Steel Grinding
6.Fished Steel Material
Products stocks:
Surface Polish bars
Surface Bright Bar
Black &Grinding surface bar
- Step 1Find your interested products by search keywords
- Step 2Contact the supplier by clicking ”Enquire” or “request meeting” button, otherwise, you also could consult our import consultant.
- Step 3After verifying your email, get response from suppliers or our trade manager will contact you as soon as possible
- Step 4Set up meeting with the Chinese supplier without language barrier