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904L stainless steel coil

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Product Description

904L stainless steel coil

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Dozens of grades to meet your needs, strict implementation of standards. Stainless steel coils with high quality and low price. Large inventory. Advanced equipment. Industry leading. Complete models. Stable quality.

PRODUCT DESCRIPTION

904L stainless steel coil

904L stainless steel coil

904L is a high-alloy austenitic stainless steel with low carbon content. The grade is intended for use under severe corrosive conditions. It has been application proved over many years and was originally developed to resist corrosion in dilute sulfuric acid. It is standardized and approved for pressure vessel use in several countries. Structurally, 904L is fully austenitic and is less sensitive to precipitation ferrite and sigma phases than conventional austenitic grades with high molybdenum content. Characteristically, due to the combination of relatively high contents of chromium, nickel, molybdenum and copper 904L has good resistance to general corrosion, particularly in sulfuric and phosphoric conditions.

DESIGN FEATURES:

· Good resistance to pitting and crevice corrosion.

· Very good resistance to stress corrosion cracking.

· Good resistance to intergranular corrosion.

· Good formability and weldability.

· Maximum service temperatures of 450 deg.C. (824 deg.F).

Specification

Stainless Steel Coil/Sheet/Plate Information



Technique


Surface Finish


Grade Series


Thickness(mm)

Width(mm)

Main Dimension

20-850

1000

1219

1240

1250

1500

Hot Rolled

No.1 / 2E

201/304/316L

2.2-12.0

√

√

√

√


√






Cold Rolled


2B

201/304/316L

0.25-3.0

√

√

√

√

√

√

410S/430

410S/430

0.25-3.0

√

√

√


√

No.4 /Hairline

Mirror / Linen

SB

201/304/316L

0.22-3.0

√

√

√

√

√

√

410S/430

410S/430

0.25-3.0

√

√

√

√

√


BA

201/304

0.2--1.8

√

√

√

√

√

√

410S/430

410S/430

0.25-3.0

√

√

√



2BA

304/410S/430

0.25-2.0

√

√

√

√



If you need, we can customize the size according to your requirements

Chemical composition and mechanical properties of stainless steel coils


Grade

Chemical Composition (%)

Mechanical Performance

C

Si

Mn

P

S

Ni

Cr

Mo

Hardness

201

≤0.15

≤1.00

5.5/7.5

≤0.060

≤0.03

3.5/5.5

16.0/18.0

-

HB≤241,HRB≤100, HV≤240

304

≤0.08

≤1.00

≤2.00

≤0.045

≤0.03

8.0/11.0

18.0/20.0

-

HB≤187,HRB≤90,HV≤200

316

≤0.08

≤1.00

≤2.00

≤0.045

≤0.03

10.0/14.0

16.0/18.0

2.0/3.0

HB≤187,HRB≤90,HV≤200

316L

≤0.03

≤1.00

≤2.00

≤0.045

≤0.03

10.0/14.0

16.0/18.0

2.0/3.0

HB≤187,HRB≤90,HV≤200

410

≤0.15

≤1.00

≤1.25

≤0.060

≤0.03

≤0.060

11.5/13.5

-

HB≤183, HRB≤88 HV≤200

430

≤0.12

≤1.00

≤1.25

≤0.040

≤0.03

-

16.0/18.0

-

HB≤183, HRB≤88 HV≤200


Product Show

1

Certificates

2

Product Applications

TYPICAL APPLICATIONS

· Production and transport of sulfuric acid

· Metal pickling in sulfuric acid

· Production and concentration of phosphoric acid

· Use in seawater, brackish water, condensers, heat exchangers and pipe work in general

· Paper and allied industries

· Gas washing

· Chemical and pharmaceutical industries

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