Welded Austenitic Sanitary Tubing, Tubes for Boiler,
Heat–Exchanger, General Service Tubing

ASTM A249/ A269/ A270, AS 1528.1, 
JIS G3447/ G3463, CNS 6668/ 7383
Material: 304, 304L, 316L
Specification

Having been cultivating in the field of stainless steel tubes, YC INOX is skilled in the manufacture of tubes for a variety of different applications. The welded Austenitic sanitary tubing technology developed by YC INOX provides tubes for boilers, heat exchangers and general service tubing purposes.

 

Features of ASTM A249, ASTM A269, ASTM A270, AS 1528.1, JIS G3447, JIS G3463, CNS 6668, CNS 7383 stainless steel round tubes YC INOX offers:

  • The products are for general corrosion-resisting and low or high temperature and temperature service applications.
  • Products made of Austenitic series stainless steel with optional grades in TP304, TP304L or TP316L are durable without doubt.
  • Various surface suits for different outlook performance.
  • The application shall be useed in the dairy and food industry.
  • Welding is carried out by qualified personnel in accordance with operating procedures.
 

As a leading stainless steel round tubes manufacturer worldwide, we are driven by below.

 
  • Professional engineer and prompt after-sales service are your backup force.
  • Punctual delivery time make our customer control stock better.
  • Tolerance is accordance with the norm, and specific tolerance requirement is discussable.
  • Optional supplementary requirements are negotiated and provided.

ASTM A249/ A269/ A270, AS 1528.1, JIS G3447/ G3463, CNS 6668/ 7383  

 
Thickness (mm) Outside Diameter(mm)
in 1/2 5/8 3/4 7/8 1 1 1/4 -

1 1/2

2 2 1/2 3

3 1/2

4 4 1/2
mm Gauge mm 12.7 15.9 19
19.05
22.2 25.4
(25)
31.8
(32)
35 38.1
(38)
50.8
(51)
63.5 76.2 88.9 101.6 114.3
1.2 / 1.25 - / 18   - - - -
1.50 -   -
1.60 / 1.65 - / 16   -
2.00 / 2.11 - / 14   -
Remark

(1)Marking:Product Spec. for ASTM A249/ A270, AS 1528.1, JIS G3447/ G3463, CNS 6668/ 7383,EN10357

(2): Product Spec. for ASTM A269

 
Standard Item
Outside Diameter Thickness Length
ASTM A249
  O.D. <   25mm ± 0.10mm ‧ -0.11mm
  25mm ≦ O.D. ≦   40mm ± 0.15mm  
  40mm < O.D. <   50mm ± 0.20mm  
  50mm ≦ O.D. <   65mm ± 0.25mm  
  65mm ≦ O.D. <   75mm ± 0.30mm  
  75mm ≦ O.D. ≦ 100mm ± 0.38mm  
100mm < O.D. ≦ 200mm ± 0.38mm ‧ -0.64mm
200mm < O.D. ≦ 225mm ± 0.38mm ‧ -1.14mm

± 10%

O.D. < 50.8mm + 3.0mm
    -     0mm
O.D. ≧ 50.8mm + 5.0mm
    -     0mm

ASTM A269

 

O.D. <   38mm ± 0.13mm
  38mm ≦ O.D. <   89mm ± 0.25mm
  89mm ≦ O.D. < 140mm ± 0.38mm
140mm ≦ O.D. < 203mm ± 0.76mm

O.D. <  13mm ± 15%

O.D. ≧  13mm ± 10%

O.D. < 38mm + 3.2mm
    -     0mm
O.D. ≧ 38mm + 4.8mm
    -     0mm
ASTM A270

 

O.D. ≦   25mm ± 0.13mm
25mm < O.D. ≦   50mm ± 0.20mm
50mm < O.D. ≦   75mm ± 0.25mm
75mm < O.D. ≦ 140mm ± 0.38mm
± 12.5%
O.D. ≦ 100mm + 3.0mm
    -     0mm
O.D. > 100mm + 5.0mm
    -     0mm

CNS 6668

JIS G3447

 

O.D. <   31.8mm ± 0.15mm  
  31.8mm ≦ O.D. <   38.1mm ± 0.16mm  
  38.1mm ≦ O.D. <   50.8mm ± 0.19mm  
  50.8mm ≦ O.D. <   89.1mm ± 0.25mm  
  89.1mm ≦ O.D. <   101.6mm + 0.30mm ‧ -0.40mm
101.6mm ≦ O.D. < 114.3mm + 0.35mm ‧ -0.40mm
114.3mm ≦ O.D. < 139.8mm + 0.40mm ‧ -0.60mm
139.8mm ≦ O.D. < 165.2mm + 0.40mm ‧ -0.80mm
165.2mm ≦ O.D.    + 0.40mm ‧ -1.20mm

t < 1.2mm ± 0.12mm

t ≧ 1.2mm ± 10%      

+ 10mm

-    0mm

 

CNS 7383

JIS G3463

 

O.D. <   60mm ± 0.25mm  
  60mm ≦ O.D. <   80mm ± 0.30mm  
  80mm ≦ O.D. < 100mm ± 0.40mm  
100mm ≦ O.D. <  120mm + 0.40mm ‧ -0.60mm
120mm ≦ O.D. <  160mm + 0.40mm ‧ -0.80mm
160mm ≦ O.D. < 200mm + 0.40mm ‧ -1.20mm
200mm ≦ O.D.    + 0.40mm ‧ -1.60mm

O.D. < 40mm

t <  2mm + 0.4mm
-     0mm
O.D. ≦ 50mm + 7.0mm
    -     0mm
O.D.  > 50mm +  10mm
    -     0mm
t ≧ 2mm + 20%
- 0mm
O.D. ≧ 40mm +  22%
-  0mm

Welded Austenitic Stainless Steel Sanitary Tubing, Tubes for Boiler, Heat–Exchanger, General Service Tubing

Welded Austenitic Stainless Steel Sanitary Tubing, Tubes for Boiler, Heat–Exchanger, General Service Tubing

Welded Austenitic Stainless Steel Sanitary Tubing, Tubes for Boiler, Heat–Exchanger, General Service Tubing

Welded Austenitic Stainless Steel Sanitary Tubing, Tubes for Boiler, Heat–Exchanger, General Service Tubing