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JIS G3446 Stainless Steel Pipes for Machine and Structural Purpose

Product Description

Type: Stainless Steel Pipes Certification: ISO, SGS, BV, GB Origin: China Standard: JIS Shape: Round  JIS G3446 Stainless Steel Pipes for Machine and Structural Purpose
Standard: JIS G3446
Grade: SUS304TKA, SUS304TKC, SUS316TKA, SUS316TKC etc;
Application: used for machinery, automobiles, bicycles, furniture, apparatus, other mechanical parts and structures.

Chemical Composition   %
Grade C Si Mn P S Ni Cr Mo Fe Nb
SUS 304TKA
SUS304TKC
≤0.08 ≤1.00 ≤2.00 ≤0.040 ≤0.030 8.00- 11.00 18.00- 20.00 -- -- --
SUS316TKA
SUS316TKC
≤0.08 ≤1.00 ≤2.00 ≤0.040 ≤0.030 10.00-14.00 16.00- 18.00 2.00-3.00 -- --
SUS321TKA ≤0.08 ≤1.00 ≤2.00 ≤0.040 ≤0.030 9.00- 13.00 17.00-19.00 -- ≥5*C --
SUS347TKA ≤0.08 ≤1.00 ≤2.00 ≤0.040 ≤0.030 9.00- 13.00 17.00-19.00 -- -- ≥10*C
SUS430TKA
SUS430TKC
≤0.12 ≤0.75 ≤1.00 ≤0.040 ≤0.030 -- 16.00-18.00 -- -- --
SUS410TKA
SUS410TKC
≤0.15 ≤1.00 ≤1.00 ≤0.040 ≤0.030 -- 11.50-13.50 -- -- --
SUS420J1TKA 0.16- 0.25 ≤1.00 ≤1.00 ≤0.040 ≤0.030 -- 12.00-14.00 -- -- --
SUS420J2TKA 0.26- 0.40 ≤1.00 ≤1.00 ≤0.040 ≤0.030 -- 12.00-14.00 -- -- --


Mechanical Property
Grade Tensile strength N/mm2 Yield point
N/mm2
Elongation
No.11 test piece
No.12 test piece
No.4 test piece
Longitudinal Transverse
SUS304TKA
SUS316TKA
SUS321TKA
SUS347TKA
≥520 ≥205 ≥35 ≥30 ≥22
SUS304TKC
SUS316TKC
≥520 ≥205 ≥35 ≥30 ≥22
SUS430TKA ≥410 ≥245 ≥20 -- --
SUS430TKC ≥410 ≥245 ≥20 -- --
SUS410TKA ≥410 ≥205 ≥20 -- --
SUS420J1TKA ≥470 ≥215 ≥19 -- --
SUS420J2TKA ≥540 ≥225 ≥18 -- --
SUS410TKC ≥410 ≥205 ≥20 -- --


Size Tolerance
Tolerance on OD
Devision Permissible tolerance on OD
No.1 <50mm        ±0.5mm
≥50mm        ±1%
No.2 <50mm        ±0.25mm
≥50mm        ±0.5%
No.3 <25mm         ±0.12mm
≥25-<40mm    ±0.15mm
≥40-<50mm    ±0.18mm
≥50-<60mm    ±0.20mm
≥60-<70mm    ±0.23mm
≥70-<80mm    ±0.25mm
≥80-<90mm    ±0.30mm
≥90-<100mm    ±0.40mm
≥100mm         ±0.50%
No.4 <13mm          ±0.25mm
≥13-<25mm     ±0.45mm
≥25-<40mm     ±0.60mm
≥40-<65mm     ±0.80mm
≥65-<90mm     ±1.00mm
≥90-<140mm    ±1.20mm
≥140mm         as signed
Note: 1) for hot-finished Seamless Tube, please refer to No.1;
2) Electric resistance Welded Steel Tube other than cold finished or automatic arc welded steel tube, please refer to No.1;
3) Steel tube with solution treatment, please refer to No.4.

Tolerance on wall thickness
Devision No.1 No.2 No.3
Permissible deviation            +0.6mm
<4mm     -0.5mm

≥4mm     +15%
           -12.5%
<3mm ±0.3mm


≥3mm  +10%
<2mm ±0.15mm


≥2mm  +8%
 
Note: hot-finished seamless tube, please refer to No.1.
 

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