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1.4401/316 Stainless Steel

1.4401/316 Stainless Steel

Grade: 300 Series Steel
Type: Sheet/Plate, Pipe/Tube, Coil
Standard: ASTM A240, JIS G4350
Specification: Thickness:0.3mm-100mm||||||Width:200-3000mm
Application: EN 1.4401 stainless is commonly used in the handling of particular food and pharmaceutical products where minimizing metallic contamination is an paramount.

1.4401 Stainless Steel Introduction

1.4401/316 Stainless Steel

Stainless steel in 1.4401, like 304, has excellent forming and welding characteristics via standard fusion methods, both with and without filler metals and the requirements (or lack thereof) of post-weld for heavy welded and thin sections is the same as 304.The oxidation resistance of 1.4401 is also the same as for 304.
1.4401 Stainless Steel Usage
Typical uses include exhaust manifolds, furnace parts, heat exchangers, jet engine parts, pharmaceutical and photographic equipment, valve and pump trim, chemical equipment, digesters, tanks, evaporators, pulp, paper and textile processing equipment, parts exposed to marine atmospheres and tubing. 
SS 1.4401 Surface Finish:
2B,NO,1,NO,2D, NO.4, 8k, Polish
 

1.4401 Stainless steel Typical Chemical Requirements(%)

Type  C Mn P S Si Cr Ni Mo N
ASTM 316 ≤ 0.08 ≤ 2.00  ≤ 0.045  ≤ 0.030  ≤ 0.75  16.0--18.0  10.0--14.0  2.00--3.00 0.10
JIS SUS316 ≤ 0.08 ≤ 2.00 ≤ 0.045 ≤ 0.030 ≤ 1.00 16.0--18.0 10.0--14.0 2.00--3.00 --
EN 1.4401 ≤ 0.07 ≤ 2.00 ≤ 0.045 ≤ 0.030 ≤ 1.00 16.5--18.5 10.0--13.0 2.00--2.50 0.11

  1.4401 Stainless steel Mechanical Test Requirements(%)

Type Tensile Strength, min  Yield Strength, min  Elongation in 2 in.or 50mm, min, %  Hardness, max
ksi MPa ksi Mpa HB HRB HV
ASTM 316  75 515 30 205 40 217 95 --
JIS SUS316 -- 520 -- 205 40 187 90 200
EN 1.4401 -- 500 -- 200 40 215 -- --

 1. Grade Differences

       316 grades 0Cr17Ni12Mo2 (old grade) 06C17N12M2 (new grade)

       Equivalent to American Standard TP316, Japanese standard SUS316, is simply 316

       316L grades 00Cr17Ni14Mo2 (old grade) 022C17N12M2 (new grade)

       Equivalent to American Standard TP316L, JIS SUS316L, is simply 316L Material

2. Composition

316 stainless steel metal

C≤0.08, Si≤1.00, Mn≤2.00, P≤0.035, S≤0.03, Ni: 10.0-14.0, Cr: 16.0-18.5, Mo: 2.0-3.0.

316L stainless steel metal

C≤0.03, Si≤1.00, Mn≤2.00, P≤0.035, S≤0.03, Ni: 10.0-14.0, Cr: 16.0-18.5, Mo: 2.0-3.0

3. Yield Strength 316 210 (N / MM2) 316L 180 (N / MM2)

4. Tensile Strength 316 520 (N / MM2) 316L 480 (N / MM2)

The biggest difference is the use of ultra-low carbon 316L

Therefore, when welding, 316L deposited carbon easily combined into chromium carbide and chromium, can reduce corrosion welded parts

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