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S420M S420ML S420N S42NL Hot Rolled Steel Coil ASTM A572 Gr 60

Categories Carbon Steel Coil
Brand Name: hyx
Model Number: S420M,S420ML S420N, S42NL
Certification: CE ISO CNAS CQC
Place of Origin: China
MOQ: 1Ton
Price: 800$-1500$
Payment Terms: T/T,L/C
Supply Ability: 30000Tons/Month
Delivery Time: 7-15days
Packaging Details: Standard package
Technique: Hot Rolled
Width: 1000-3000mm
Thickness: 2-300mm
Length: 1000-12000mm
Specification: 2-300mm*1000-3000mm*1000-12000mm
Application: Ship Plate, Boiler Plate, Container Plate, Flange Plate
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S420M S420ML S420N S42NL Hot Rolled Steel Coil ASTM A572 Gr 60


Characteristics of S420m-brand steel

S420m steel is a fine-grain weldable structural steel that has been thermomechanically rolled. It conforms fully to the EN 10025-4/DSTU EN 10025-4 standard.

Classification: Structural steel.

Product: Steel plates and shaped steel.


Chemical composition of S420m steel according to DSTU EN 10025-4,%

С

Si

Mn

P

S

N

Cr

Cu

Mo

Nb

Ni

Ti

V

Al

≤0.16

≤0.50
≤1.70
≤0.030
≤0.025
≤0.025
≤0.30
≤0.55
≤0.20
≤0.05
≤0.80
≤0.05
≤0.12
≥0.02

Mechanical properties of S420m steel

Nominal gauge, mm

Minimum yield strength, ReH (MPa)

Ultimate tensile strength, Rm (MPa)

Minimum elongation ratio σ, %

≤16

420

520-680

19

> 16 ≤ 40

400

520-680

19

> 40 ≤ 63

390

500-660

19

> 63 ≤ 80

380

480-640

19

> 80 ≤ 100

370

470-630

19

> 100 ≤ 120

365

460-620

19


Analogues to S420M steel

Germany (DIN)

StE420TM

US

ASTM A572 Gr.60

Italy (UNI)

FeE420KGTM


Application

Products made from S420m steel are used in welded structures, large boats and ships, various machinery, bridge supports and metal structures, as well as supporting structures for wind turbines. The steel is used in highway construction and other engineering projects.


Welding

Given its low carbon content and equivalent carbon content, S420m steel is ideally suited to both manual and automatic welding using all the main processes. Its low susceptibility to cold cracking makes preheating unnecessary. Nonetheless, the quality of the weld seam depends on the welding process, conditions and use of appropriate welding filler. Oxyfuel gas welding is not recommended. Filler wire and welding rods must be used as welding filler for this strength category. Basic-covered electrodes are recommended for manual welding. These brands are not suitable for heat-treatment above 580°C. The processor of these brands must ensure that the calculations, design and processing methodology are suitable for the material.

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