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Corten B steel
Corten B, as the symbol of weathering steel material, weathering resistant steel or atmospheric corrosion resisting steel. Even, some people called all the weathering steel as Corten Steel. Corten B steel started from North America.Corten steel widely used in air preheater,economizer,railway carriage,containers production,bridge building,construction and so on.

Overview

Product introduction
Corten B steel
ASTM Corten B steel grade is a hot rolled products of structural steels in technical delivery conditions with improved atmospheric corrosion resistance.The steel grade Corten B is according to ASTM standard which with the yield strength of 355MPa and 345MPa which is based on the different thickness.
Corten B – a weather resistant steel which is better suited for heavy and load bearing structures.
The material forms its own protective layer when exposed to atmospheric elements. Essentially, the top layer corrodes which then protects the steel beneath it. The natural finish does not normally require any form of maintenance such as painting, which makes the material a highly cost effective alternative to other structural steels.
Painting and maintenance will be required if the structure is is continually wet as a protective layer will not form. An good example is where the base of the structure meets with the ground or is partially submerged.


Grades & Equivalents
CortenEN 10025-5:2004
Corten BS355J2W


Technical Data

Chemical Components
GradeCSiMnPSCuNiCrVN
Corten-A0.120.25-0.750.20-0.500.07-0.150.030.25-0.550.650.50-1.25

Corten-B0.160.30-0.500.80-1.250.030.030.25-0.400.40.40-0.650.02-0.10


ASTM Corten B steel Mechanical properties:  
At room temperature for plates ≥3mm in thickness (transverse test specimans, according to EN 10002). Requirements to hot rolled plates ≤3mm in thickness according to EN 10025-5.
 
Grade
Thickness
(mm)
Yield Strength
MPa(min)
Tensile Strength
MPa
Elongation
% (min)
Corten
B
≤16 355470-630 20
>16≤50345
  
1 Mpa = 1N/mm2
The impact energy is determined on ISO-V longitudinal test specimens at a temperature of - 20°C as an average of three tests. For product thicknesses ≥10mm the average value is at least 27 J. For thicknesses between 10mm and 6mm, the minimum impact value is reduced proportionally to the specimen width (product thickness).
Corten B Steel Delivery state
Hot Rolled, Cold Rolled, Normalized, Quenched, Tempering, Thermal Mechanical Control Process (TMCP), Electroslag Remelting Technical, HIC test.

About us

Founded in 2014, Jiyue Steel Co., Ltd. initially focused on providing high-quality steel for the rapid development of China's infrastructure. Based on the advantages of steel resources and good reputation in the domestic market, combined with the huge demand for steel products in the international market, the company started its international business in 2016 and successfully passed the ISo9001:2008 quality management system certification.

With high quality steel products and professional services, Jiyue has won international praise in infrastructure, shipbuilding, petroleum and other industries, and gradually grew into a shining star in the steel export industry. With the exploration and innovation of the company, gradually formed the advantages of steel plate products, and established its own machining center, in order to meet the diversified requirements of customers.

Packaging & shipping

Packaging and loading:

Packaging: According to customers' needs, use wrapping paper. If the transportation period exceeds 10 days or encounters special climate, we will use waterproof packaging and add plastic film to prevent moisture, water and rust.

Loading: We use the wooden pallet,triangular wood to fix the coil,and the steel wire rope to hold on the both side. That can prevent from the crush injury effectively.

FAQ

Q1:Accepted delivery terms

A1:EXW, FOB, CFR, CIF, FCA, FSA, CPT, CIP, DAT, DAP, DDP, DDU

Q2:Accepted Payment Types

A2:T/T, L/C

Q3:What is your delivery time ?

A3:8000 tons of inventory guarantee immediate delivery, Non-stock products, delivery within 5-7 days.

Q4:Accepted payment currencies

A4:CNY, USD, EUR, JPY, CAD, AUD, HKD, GBP, CHF

Q5:What standard steel can you provide?

A5:We can provide various standards, such as: AISI, ASTM, ANSI, ASME, UNS, SAE, DIN, EN, GB, JIS, etc

Q6:How do you guarantee the product quality?

A6:CE, ISO certificate, supporting any third party inspection. A pre-production sample before mass production, final Inspection before shipment.

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