4340 Steel Round Bar Alloy Steel Round Bar 4340

Product Details
Type: Alloy Steel Bar
Standard: ASTM
Technique: Hot Rolled
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Plant Area
101~500 square meters
  • 4340 Steel Round Bar Alloy Steel Round Bar 4340
  • 4340 Steel Round Bar Alloy Steel Round Bar 4340
  • 4340 Steel Round Bar Alloy Steel Round Bar 4340
  • 4340 Steel Round Bar Alloy Steel Round Bar 4340
  • 4340 Steel Round Bar Alloy Steel Round Bar 4340
  • 4340 Steel Round Bar Alloy Steel Round Bar 4340
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Basic Info.

Model NO.
4340
Application
Tool Steel Bar
Surface Treatment
Polished
Alloy
Alloy
Special Use
Mold Steel
Transport Package
Wooden Box
Specification
OD 6-630mm
HS Code
7219340000
Production Capacity
500tons

Product Description

Hot rolled / forged 1.6582 4340 40CrNiMoA 34CrNiMo6 Alloy Steel Rod for tools

 

1.6582 4340 40CrNiMoA 34CrNiMo6 Alloy Steel Rod


Similar Grade

GB AISI DIN JIS EN TOCT ISO
40CrNiMoA 4340 1.6582 SNCM439 41NiCrMo 7-3-2 40XH2MA
(40XHMA)
36CrNiMo4


Specification of 4340 steel rod

  Diameter/Thikness(mm) Width(mm) Length(mm)
Round Bar 16-600 / 3000-6000
Plate 16-200 200-800 3000-6000
The specification can be customized.


Chemical compositons

  C Si Mn P S Cr Ni Mo
40CrNiMo 0.37-0.44 % 0.17-0.37 % 0.50-0.80 % ≤0.025% ≤0.025% 0.60-0.90% 1.25-1.65% 0.15-0.25%
4340 0.38-0.43 0.15-0.35 0.60-0.80 ≤0.035 ≤0.040 0.70-0.90 1.65-2.00 0.20-0.30


Features of 4340 steel rod
1, chromium molybdenum alloy steel;
2, high strength and toughness;
3, good stability of hardenability and anti-overheating;
4, good high tensile strength with shock resistance.

Typical applications
1, heavy machinery and high-load of shaft;
2, rotor shaft and blades;
3, special performance requirements of the vital parts after nitriding treatment.

Packing
20ft: GW 27T; (5.80mX2.13mX2.18m)
40ft: GW 27T; (11.8mX2.13mX2.18m)

 


Delivery time
For abundant stock, 15-20 days.For customized products, 30-50 days.
We have full set of equipement (sawing machine/grinding/polishing machine) to make customer's specification.

1.6582 4340 40CrNiMoA 34CrNiMo6 Alloy Steel Rod

 

Changfeng Tool & Die Steel main product:
STANDARD/GRADE of steel Flat Bar Size(mm) Round bar Size(mm) Technics
DIN AISM JIS GB(China) Thickness Width Length Diameter Length
1.121 SAE1050 S50C 50# 10-450 155-2200 2000-12000     Forged, Hot Rolled
1.2311 P20 PDS-3 3Cr2Mo 10-460 155-2200 2000-10000 20-200 2000-6000
1.2738 P20+Ni - 3Cr2NiMnMo 21-300 155-2200 2000-8000 20-200 2000-6000
1.2379 D2 SKD10 SKD10 10-200 155-810 2000-6000 14-80 3000-6000
1.2080 D3 SKD1 3Cr2Mo 10-200 155-810 2000-6000 20-200 3000-6000
1.2083 420 - 4Cr13 10-500 155-1200 2000-6000 12-300 3000-6000
1.2344 H13 SKD61 4Cr5MoSiV1 10-500 155-1600 2000-6000 16-400 3000-6000
1.2510 O1 SKS3 9CrWMn 10-200 155-810 2000-6000 20-200 3000-6000
1.7225 SAE4140 SCM440 42CrMo 10-280 155-2200 2000-6000 16-450 3000-6000

 

About Us

we are a professional special steel company, which specializing in this line in China since 2005. Our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.

 

To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel and Daye Special Steel.

4340 Steel Round Bar Alloy Steel Round Bar 43404340 Steel Round Bar Alloy Steel Round Bar 4340

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