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

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

(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