• Hot Rolled Alloy Steel Bars 4140, 4340, 5120, 8620, 8637, 8640SCR420, SCR440, Scm420, Scm44025crmo4, 34CrNiMo6, 39NiCrMo3, 42CrMo418crmo4, 18crnimo7620crm
  • Hot Rolled Alloy Steel Bars 4140, 4340, 5120, 8620, 8637, 8640SCR420, SCR440, Scm420, Scm44025crmo4, 34CrNiMo6, 39NiCrMo3, 42CrMo418crmo4, 18crnimo7620crm
  • Hot Rolled Alloy Steel Bars 4140, 4340, 5120, 8620, 8637, 8640SCR420, SCR440, Scm420, Scm44025crmo4, 34CrNiMo6, 39NiCrMo3, 42CrMo418crmo4, 18crnimo7620crm
  • Hot Rolled Alloy Steel Bars 4140, 4340, 5120, 8620, 8637, 8640SCR420, SCR440, Scm420, Scm44025crmo4, 34CrNiMo6, 39NiCrMo3, 42CrMo418crmo4, 18crnimo7620crm
  • Hot Rolled Alloy Steel Bars 4140, 4340, 5120, 8620, 8637, 8640SCR420, SCR440, Scm420, Scm44025crmo4, 34CrNiMo6, 39NiCrMo3, 42CrMo418crmo4, 18crnimo7620crm
  • Hot Rolled Alloy Steel Bars 4140, 4340, 5120, 8620, 8637, 8640SCR420, SCR440, Scm420, Scm44025crmo4, 34CrNiMo6, 39NiCrMo3, 42CrMo418crmo4, 18crnimo7620crm

Hot Rolled Alloy Steel Bars 4140, 4340, 5120, 8620, 8637, 8640SCR420, SCR440, Scm420, Scm44025crmo4, 34CrNiMo6, 39NiCrMo3, 42CrMo418crmo4, 18crnimo7620crm

After-sales Service: Supported
Type: Steel Coil
Standard: ASTM, JIS, En
Certification: ISO, RoHS, IBR
Application: Construction, Automobile, Home Appliance
Process: Embossing/Slitting/Shearing/Roll Forming
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  • Overview
  • Product Description
  • Product Features
  • Product Parameters
  • Packaging & Shipping
  • About CUMIC
  • FAQ
Overview

Basic Info.

Model NO.
SAE, AISI, JIS G 4052, EN 10083, EN 10084, GB 3077
Payment Term
Tt, L/C, OA, D/P, etc
Thickness
10~300mm or Customized.
Width
6000mm or Cut to Length
Delivery Condition
2/1, 2/2
Edge
Mill Edge, Cut Edge
Main Application
Parts for Machinery, Automotive Components, Toolin
Heat Treatment
Normalized;Annealed ;Quenched ;Tempered
Ut Standard
Sep 1921-84 C/C, D/D
Transport Package
Standard Export Package, or as Required
Specification
0.15-2.5 x 762-2850
Trademark
cumic steel
Origin
China, Vietnam
HS Code
7228
Production Capacity
1000000 Tons /Year

Product Description

Product Description

Alloy steel are the type of steels formed by adding different proportions of alloying elements like manganese, chromium, nickel, molybdenum, vanadium, the addition of which is to enhance the mechanical and physical properties within the ordinary carbon steel, such as hardenability, tensile strength, yield ratio, fatigue strength, ductility, and corrosion resistance, which allows these type of steels suitable for manufacturing various machine parts with larger cross-sectional dimensions.


Hot Rolled Alloy Steel Bars 4140, 4340, 5120, 8620, 8637, 8640SCR420, SCR440, Scm420, Scm44025crmo4, 34CrNiMo6, 39NiCrMo3, 42CrMo418crmo4, 18crnimo7620crm

Product Features

1. Varying yield strength, tensile strength, resistance to tempering, and plasticity.
2. Excellent physical or mechanical properties are obtained after specific heat treatment
3. Widely used for manufacturing various machine parts in ships, vehicles, aircraft, missiles, weapons, railways, bridges, pressure vessels, machine tools, etc.
 

Product Parameters
 
Hot Rolled Alloy Steel Bars
Standard SAE, AISI, JIS G 4052, EN 10083, EN 10084, GB 3077
Grades 4140, 4340, 5120, 8620, 8637, 8640
SCr420, SCr440, SCM420, SCM440
25CrMo4, 34CrNiMo6,  39NiCrMo3, 42CrMo4
18CrMo4, 18CrNiMo76
20CrMnTi
Surface Black/ Peeled / Polished / Grinded /Turned
Heat Treatment +HH, +QT, +N, +AR
Diameter 10~300mm or customized
Length 6000mm or Cut to Length
Application parts for machinery, automotive components, tooling, aircraft landing gear, crankshafts, camshafts, gears, and other high-stress components in aerospace
Packaging & Shipping
Hot Rolled Alloy Steel Bars 4140, 4340, 5120, 8620, 8637, 8640SCR420, SCR440, Scm420, Scm44025crmo4, 34CrNiMo6, 39NiCrMo3, 42CrMo418crmo4, 18crnimo7620crm

 
About CUMIC

Hot Rolled Alloy Steel Bars 4140, 4340, 5120, 8620, 8637, 8640SCR420, SCR440, Scm420, Scm44025crmo4, 34CrNiMo6, 39NiCrMo3, 42CrMo418crmo4, 18crnimo7620crm
FAQ

Q: How long has CUMIC been exporting steel products?
A: CUMIC has been serving the global steel market for over 17 years.

Q: Where is your company located?
A: Our head office is in Shanghai and Hong Kong, China.

Q: Can you provide local expert support?
A: Yes, we have sales offices in 10+ countries with experienced traders.

Q: How can I ensure the quality and consistency of the steel I import?
A: Over 55% of our orders undergo strict inspection by SGS, BVCC, and Intertek.

Q: Are you ISO 9001:2015 Certified?
A: Yes, we are ISO 9001: 2015 certified.

Q:  Do you provide inspection reports?
A: Yes, we provide over 1000 third-party inspection reports per year.

Q: What payment terms can you accept?
A: We can accept L/C, T/T, D/P and OA payment terms.

Q: What is your MOQ?
A: Our MOQ for importing steel is at least 10 tons.

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Registered Capital
8 Million USD
Management System Certification
ISO9001:2015
Import & Export Mode
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