Introduction of Stainless Steel Welded Pipe
JIS G3459 and CNS 6331 Stainless Steel Pipes meet the specifications for corrosion resistance, extreme temperature tolerance (high and low), and fire protection.
JIS G3459 pipes are designed with an outer diameter ranging from 13.8mm (nominal diameter 8A or 1/4B) to 660.4mm (nominal diameter 650A or 26B).
These pipes have applications in various manufacturing industries, including steel, oil and gas, paper, breweries, cement, sugar, oil mills, mining, and shipbuilding.
All pipes listed in our catalog are available in various sizes and thicknesses, according to our customers’ requirements.
YC INOX CO., LTD is a leading stainless steel pipe and tube manufacturer.
- Our professional manufacturing and engineering team offer products with excellent and consistent quality to our worldwide clients.
- Our prompt after-sales service is always customers' best backup.
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- We offer products at tolerance standards that comply with the norm; specific tolerance requirements can be discussed.
- Specific mechanical tests can be negotiated between buyer and seller.
- Customized Bundle packing or steel crate packing is available.
JIS G3459, CNS 6331
| Nominal Diameter | Outside Diameter (mm) | Nominal Wall Thickness (mm) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| JIS G3459 , CNS 6331 | JIS G3468 , CNS 13517 |
Other Common Thickness |
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| A | B | SCH 5S | SCH 10S | SCH 20S | SCH 40 | SCH 5S | SCH 10S | SCH 20S | SCH 40 | ||
| 8 | 1/4 | 13.8 | 1.2 | 1.65 | 2.0 | 2.2 | - | - | - | - | - |
| 10 | 3/8 | 17.3 | 1.2 | 1.65 | 2.0 | 2.3 | - | - | - | - | 1.5/2.5 |
| - | - | 20.4* | - | - | - | - | - | - | - | - | 2.0/2.5 |
| 15 | 1/2 | 21.7 | 1.65 | 2.1 | 2.5 | 2.8 | - | - | - | - | 2.0/3.0/3.2 |
| - | - | 26.4* | - | - | - | - | - | - | - | - | 2.0/2.5 |
| 20 | 3/4 | 27.2 | 1.65 | 2.1 | 2.5 | 2.9 | - | - | - | - | 2.0/2.8/3.0/3.2 |
| - | - | 33.4* | - | - | - | - | - | - | - | - | 2.0/2.5/3.0 |
| 25 | 1 | 34.0 | 1.65 | 2.8 | 3.0 | 3.4 | - | - | - | - | 2.0/2.5/3.5/4.0 |
| 32 | 1 1/4 | 42.7 | 1.65 | 2.8 | 3.0 | 3.6 | - | - | - | - | 2.0/2.5/3.5/4.0/4.5/5.0 |
| 40 | 1 1/2 | 48.6 | 1.65 | 2.8 | 3.0 | 3.7 | - | - | - | - | 1.5/2.0/2.5/3.5/4.0/4.5/5.0 |
| 50 | 2 | 60.5 | 1.65 | 2.8 | 3.5 | 3.9 | - | - | - | - | 2.0/2.5/3.0/4.0/4.5/5.0 |
| 65 | 2 1/2 | 76.3 | 2.1 | 3.0 | 3.5 | 5.2 | - | - | - | - | 2.0/2.5/4.0/5.0/5.5 |
| 80 | 3 | 89.1 | 2.1 | 3.0 | 4.0 | 5.5 | - | - | - | - | 2.0/2.5/3.5/4.5/5.0/6.0 |
| 90 | 3 1/2 | 101.6 | 2.1 | 3.0 | 4.0 | 5.7 | - | - | - | - | 2.0/2.5/3.5/5.0/6.0 |
| 100 | 4 | 114.3 | 2.1 | 3.0 | 4.0 | 6.0 | - | - | - | - | 2.0/2.5/3.5/4.5/5.0/6.5 |
| 125 | 5 | 139.8 | 2.8 | 3.4 | 5.0 | 6.6 | - | - | - | - | 2.5/3.0/3.5/4.0/5.5/6.0/6.5 |
| 150 | 6 | 165.2 | 2.8 | 3.4 | 5.0 | 7.1 | 2.8 | 3.4 | 5.0 | 7.1 | 3.0/3.5/4.0/5.5/6.0/6.5/7.0 |
| 200 | 8 | 216.3 | 2.8 | 4.0 | 6.5 | 8.2 | 2.8 | 4.0 | 6.5 | 8.2 | 3.0/3.5/4.5/5.0/6.0/7.0 |
| 250 | 10 | 267.4 | 3.4 | 4.0 | 6.5 | 9.3 | 3.4 | 4.0 | 6.5 | 9.3 | 3.0/3.5/4.5/6.0/7.0 |
| 300 | 12 | 318.5 | 4.0 | 4.5 | 6.5 | 10.3 | 4.0 | 4.5 | 6.5 | 10.3 | 3.0/3.5/5.0/6.0/7.0 |
| 350 | 14 | 355.6 | - | - | - | 11.1 | 4.0 | 5.0 | 8.0 | 11.1 | 6.0 |
| 400 | 16 | 406.4 | - | - | - | 12.7 | 4.5 | 5.0 | 8.0 | 12.7 | 4.0/6.0 |
| 450 | 18 | 457.2 | - | - | - | 14.3 | 4.5 | 5.0 | 8.0 | 14.3 | - |
| 500 | 20 | 508.0 | - | - | - | 15.1 | 5.0 | 5.5 | 9.5 | 15.1 | - |
| 550 | 22 | 558.8 | - | - | - | 15.9 | 5.0 | 5.5 | 9.5 | 15.9 | - |
| 600 | 24 | 609.6 | - | - | - | 17.5 | 5.5 | 6.5 | 9.5 | 17.5 | - |
| 650 | 26 | 660.4 | - | - | - | 18.9 | 5.5 | 8.0 | 12.7 | - | - |
| 700 | 28 | 711.2 | - | - | - | - | 5.5 | 8.0 | 12.7 | - | - |
| 750 | 30 | 762.0 | - | - | - | - | 6.5 | 8.0 | 12.7 | - | - |
| 800 | 32 | 812.8 | - | - | - | - | - | 8.0 | 12.7 | - | - |
| 850 | 34 | 863.6 | - | - | - | - | - | 8.0 | 12.7 | - | - |
| 900 | 36 | 914.4 | - | - | - | - | - | 8.0 | 12.7 | - | - |
| 1000 | 40 | 1016.0 | - | - | - | - | - | 9.5 | 14.3 | - | - |
| Remark |
(1)Other nominal diameter and wall thickness subject to the approval of vendor and purchaser with MOQ requirement. (2)Materials according to ASTM A240. |
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|
Standard & Grade |
Chemical Composition(%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Ni | Cr | Mo | ||
|
CNS 6331 |
304TP | ≦ 0.080 | ≦ 1.00 | ≦ 2.00 | ≦ 0.045 | ≦ 0.030 | 8.0~11.0 | 18.0~20.0 | |
| 304L1TP | ≦ 0.035 | ≦ 1.00 | ≦ 2.00 | ≦ 0.045 | ≦ 0.030 | 8.0~13.0 | 18.0~20.0 | ||
| 304L2TP | ≦ 0.030 | ≦ 1.00 | ≦ 2.00 | ≦ 0.045 | ≦ 0.030 | 9.0~13.0 | 18.0~20.0 | ||
| 316TP | ≦ 0.080 | ≦ 1.00 | ≦ 2.00 | ≦ 0.045 | ≦ 0.030 | 10.0~14.0 | 16.0~18.0 | 2.0~3.0 | |
| 316L1TP | ≦ 0.035 | ≦ 1.00 | ≦ 2.00 | ≦ 0.045 | ≦ 0.030 | 10.0~14.0 | 16.0~18.0 | 2.0~3.0 | |
| 316L2TP | ≦ 0.030 | ≦ 1.00 | ≦ 2.00 | ≦ 0.045 | ≦ 0.030 | 12.0~16.0 | 16.0~18.0 | 2.0~3.0 | |
|
ASTM A213 A312 |
TP304 | ≦ 0.080 | ≦ 1.00 | ≦ 2.00 | ≦ 0.045 | ≦ 0.030 | 8.0~11.0 | 18.0~20.0 | |
| TP304L | ≦ 0.035 | ≦ 1.00 | ≦ 2.00 | ≦ 0.045 | ≦ 0.030 | 8.0~13.0A | 18.0~20.0 | ||
| TP316 | ≦ 0.080 | ≦ 1.00 | ≦ 2.00 | ≦ 0.045 | ≦ 0.030 | 10.0~14.0 | 16.0~18.0 | 2.0~3.0 | |
| TP316L | ≦ 0.035 | ≦ 1.00 | ≦ 2.00 | ≦ 0.045 | ≦ 0.030 | 10.0~14.0 | 16.0~18.0 | 2.0~3.0 | |
|
JIS G3459 |
SUS304TP | ≦ 0.080 | ≦ 1.00 | ≦ 2.00 | ≦ 0.045 | ≦ 0.030 | 8.0~11.0 | 18.0~20.0 | |
| SUS304LTP | ≦ 0.030 | ≦ 1.00 | ≦ 2.00 | ≦ 0.045 | ≦ 0.030 | 9.0~13.0 | 18.0~20.0 | ||
| SUS316TP | ≦ 0.080 | ≦ 1.00 | ≦ 2.00 | ≦ 0.045 | ≦ 0.030 | 10.0~14.0 | 16.0~18.0 | 2.0~3.0 | |
| SUS316LTP | ≦ 0.030 | ≦ 1.00 | ≦ 2.00 | ≦ 0.045 | ≦ 0.030 | 12.0~16.0 | 16.0~18.0 | 2.0~3.0 | |
|
Remark |
A ASTM A213 grade TP304L shall have an Ni content of not less than 8.00% and not more than 12.00%. |
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| Item | ||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard | Outside Diameter | Thickness | Length | |||||||||||||||||||||||||||||||||||
| ASTM A312 |
|
Nominal Thickness + 15% -12.5% |
|
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| ASTM A358 |
Based on circumferential measurement ± 0.5% Difference between major and minor outside diameters 1% |
-0.3mm |
|
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|
CNS 6331 JIS G3459 |
O.D. < 30.0mm ± 0.30mm O.D. ≧ 30.0mm ± 1% |
< 2mm ± 0.20mm ≧ 2mm ± 10% |
Definite Cut Lengths |
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|
CNS 13517 JIS G3468 |
O.D. ≦ 318.5mm (300A) ± 1% O.D. > 318.5mm (300A) ± 0.5% |
|
Definite Cut Lengths |
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Stainless Steel Pipes
Stainless Steel Pipes
Stainless Steel Pipes
Stainless Steel Pipes
Stainless Steel Pipes