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SUS301 Stainless Steel Coils Full Hard AISI 301 Metal Strip 4/4H 2B Finish

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SUS301 Stainless Steel Coils Full Hard AISI 301 Metal Strip 4/4H 2B Finish

China SUS301 Stainless Steel Coils Full Hard AISI 301 Metal Strip 4/4H 2B Finish supplier
SUS301 Stainless Steel Coils Full Hard AISI 301 Metal Strip 4/4H 2B Finish supplier SUS301 Stainless Steel Coils Full Hard AISI 301 Metal Strip 4/4H 2B Finish supplier

Large Image :  SUS301 Stainless Steel Coils Full Hard AISI 301 Metal Strip 4/4H 2B Finish

Product Details:

Place of Origin: China
Brand Name: TISCO
Certification: SGS ISO
Model Number: 301

Payment & Shipping Terms:

Minimum Order Quantity: 1 ton
Price: 2980 USD/Ton
Packaging Details: Export Packing
Delivery Time: 7 Days
Payment Terms: 500 Tons
Supply Ability: 500 Tons
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Detailed Product Description
Thickness: 0.01-3.0mm Width: 12.7-2000mm
Surface: 2B BA 6K 8K Type: Cold Roleld
Hardness: 1/4H 1/2H 3/4H 4/4H

SUS301 Stainless Steel Strip Coil Full Hard AISI 301 Metal Strip 4/4H 2B Finish

301 stainless strip, ASTMA-666, is slightly lower in chromium and nickel content than Type 302. The lower nickel content causes Type 301 to work harden more rapidly and retain greater ductility than the same temper of Type 302. Gibbs stocks 301 Stainless Strip in gauges from 0.0022" to 0.050" precision slit to widths from 0.022 to 12". Type 301 is available in a variety of tempers.

 

 

Stainless Steel - Grade 301 (UNS S30100)

Topics Covered

Introduction
Key Properties
Composition
Mechanical Properties
Physical Properties
Grade Specification Comparison
Possible Alternative Grades
Corrosion Resistance
Heat Resistance
Heat Treatment
Cold Working
Welding
Applications

Chemical Formula

Fe, <0.15%C, 16-18%Cr, 6-8%Ni, <2%Mn, <1%Si, <0.045%P, <0.03%S

Introduction

Stainless steel grade 301 is usually supplied in the form of strips and wires, with a tensile strength of up to 1800 Mpa, to produce tempers ranging from 1/16 Hard to Full Hard. By subjecting grade 301 to controlled analysis it is capable of retaining sufficient ductility even in ½ hard conditions. This form of grade 301 may be used in aircraft, rail car components and architectural structures. Tempers of this grade, ranging from ¾ to full hard, may be used in applications requiring high wear resistance and spring features with simple form designs.

Grade 301L, which is the low carbon form of grade 301, is the ideal choice for applications that require good ductility. Grade 301LN is another variant. This contains a higher percentage of nitrogen and exhibits a higher work harden rate compared to standard 301. Only grade 301 is specified in ASTM A666. 301L and 301LN are represented by other conventions. Grade 301L is represented by JIS G4305 and 301LN by EN10088-2 as grade 1.4318.

Key Properties

The key properties listed in the below sections are for flat rolled products such as plate, sheet and coil - specified as Grade ASTM A666. For other grades, EN10088.2 and JISG4305, it is not necessary that the values and properties are identical.

Composition

Composition ranges of stainless steel grade 301 are tabulated below.

Table 1 - Composition ranges for 301 grade stainless steel

Grade C Mn Si P S Cr Mo Ni N

301

ASTM A666

min.

max.

-

0.15

-

2.0

-

1.0

-

0.045

-

0.030

16.0

18.0

-

6.0

8.0

-

0.10

301L

JIS G4305

min.

max.

-

0.03

-

2.0

-

1.0

-

0.045

-

0.030

16.0

18.0

-

6.0

8.0

-

0.20

1.4318/301LN

EN 10088-2

min.

max.

-

0.03

-

2.0

-

1.0

-

0.045

-

0.015

16.5

18.5

-

6.0

8.0

0.10

0.20

Mechanical Properties

The mechanical properties of grade 301 stainless steels are listed in the table below. The bend test is obtained around a diameter of the bend factor multiplied by the steel thickness.

Table 2 - Mechanical properties of 301 grade stainless steel

Grade 301 Temper ASTM A666 Tensile Strength (MPa) min. Yield Strength 0.2% Proof (MPa) min. Elongation (% in 50mm) (thick.>0.76mm) min. Bend Test (thickness > 1.27mm)
Bend Angle (°) Factor
Annealed 758 276 60 - -
1/16 Hard 620 310 40 180 1
1/8 Hard 690 380 40 180 1
1/4 Hard 862 514 25 90 2
1/2 Hard 1034 758 18 90 2
3/4 Hard 1205 930 12 90 3
Full Hard 1276 965 9 90 5

Physical Properties

Physical properties of grade 301 stainless steels are listed in the table below.

Table 3 - Physical properties of 301 grade stainless steel

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (μm/m/°C) Thermal Conductivity (W/m.K) Specific Heat 0-100°C
(J/kg.K)
Electrical Resistivity (nΩ.m)
0-100°C 0-315°C 0-538°C at 100°C at 500°C
301 7880 193 16.9 17.2 18.2 16.2 21.4 500 695

Grade Specification Comparison

Table 4 provides an approximate grade comparison for 301 stainless steels. The comparisons given in the table are of functionally similar materials. (For exact equivalents, the original specifications must be referred to).

Table 4 - Grade comparison for grade 301 stainless steel

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
301 S30100 301S21 - 1.4310 X10CrNi18-8 2331 SUS 301

Possible Alternative Grades

A list of the possible alternatives to grade 301 stainless steels is given in Table 5.

Table 5 - Possible alternative grades to 301 grade stainless steel

Grade Reason for choosing the alternate grade
304 The lower work hardening rate of 304 is acceptable, giving better ductility required for forming.
316 A higher corrosion resistance is required, and the lower work hardening rate of 316 can be compensated for.

Corrosion Resistance

The resistance to corrosion offered by stainless steel grade 301 is similar to that offered by 304. This grade exhibits good resistance to corrosion in mildly corrosive environments at ambient temperatures.

Heat Resistance

Grade 301 exhibits good oxidation resistance for intermittent services up to 840°C and for continuous service up to 900°C.

Heat Treatment

Stainless steel grade 301 is subjected to solution treatment annealing in temperatures ranging from 1010oC to 1120°C followed by rapid cooling. For intermediate annealing a low temperature range is chosen. Thermal hardening does not suit this grade of stainless steel.

Cold Working

Stainless steel grade 301 and low carbon variants of this grade are predominantly used as high strength stainless steel. The work hardening rates of these grades are very high, in the range of a 14MPa increase per 1% reduction in area of cold work. As a result of this characteristic high strength can be achieved from cold rolling and roll forming operations.

Through such forming methods strain hardened austenite may be partially transformed to martensite. In spite of achieving such high strengths, the residual ductility in the alloy is capable of causing severe cold deformation. The alloy is non-magnetic in the annealed condition, but shows strong magnetism when cold worked.

Welding

Stainless steel grade 301 is suitable for all forms of standard welding methods. The use of grade 308L as filler metal is recommended. Welded parts in grade 301 must be subjected to annealing in order to attain maximum corrosion resistance. For grades 301L and 301LN annealing is not necessary after welding. The purpose of welding followed by annealing is to remove the high strength brought about by cold rolling.

The process of spot welding is used to assemble the cold rolled 301 components; this rapid welding technique does not hamper the overall strength of the component.

Applications

Some of the typical applications of grade 301 stainless steels are listed below:

  • Making rail car structural components
  • Air frame sections
  • Highway trailer components
  • Automotive wheel covers
  • Wiper blade clips and holders
  • Stove element clips
  • Screen frames
  • Toaster springs
  • Curtain walls

 

SUS301 Stainless Steel Coils Full Hard AISI 301 Metal Strip 4/4H 2B FinishSUS301 Stainless Steel Coils Full Hard AISI 301 Metal Strip 4/4H 2B Finish

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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

Contact Person: Gao Ben

Tel: +8618068357371

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