Heat Exchanger

China National Standard

GB5310-2017

American Society of Mechanical Engineers Standard

ASME SA-106 ASME SA -192MASME SA -209M
ASME SA-210M ASME SA -213MASME SA -335M

German Industrial Standards

DIN17175

Japanese Industrial Standards

JIS G3462

Type of steel pipe

Size of steel pipe mm

Allowable deviation

Normal

Advanced

hot rolled tube

Outer diameter D

≤ 159

± 1.0% (minimum ± 0.5mm)

± 0.75% (minimum ± 0.3mm)

＞ 159

± 1.0%

± 0.90%

Wall thickness S

＜ 3.5

+ 15% (minimum +0.48 mm-10 -0.32mm)

± 10% (minimum ± 0.2mm)

3.5~20

+15%-10%

±10%

＞ 20

D ＜ 219

± 10%

±7.5%

D ≥ 219

+12.5%-10.0%

±10%

cold drawn pipe

Outer diameter D

≤ 30

± 0.20mm

± 0.15mm

＞ 30~50

± 0.30mm

± 0.25mm

＞ 50

±0.8%

±0.6%

Wall thickness S

2~3

+12%-10%

±10%

＞ 3

±10%

±7.5%

Type of steel pipe

Size of steel pipe mm

Allowable deviation

Normal

Advanced

hot rolled tube

Outer diameter D

≤ 159

± 1.0%(minimum ± 0.50mm)

± 0.75%(minimum ± 0.40mm)

＞ 159

±1.0%

±0.90%

Wall thickness s

≤ 20

+15.0%(minimum + 0.45mm )- 12.5%-0.35mm)

± 10% (minimum ± 0.30mm)

＞ 20

±12.5%

±10%

cold drawn pipe

Outer diameter D

10 ~ 30

± 0.40mm

± 0.20mm

＞ 30 ~ 50

± 0.45mm

± 0.25mm

＞ 50

+1.0%

±0.75%

Wall thickness s

1.5 ~ 3.0

+15%－ 10%

±10%

＞ 3.0

+12.5%－ 10%

±10%

Project

Standard

Scope

Allowable deviation

Outer diameter

DIN17175

heat pipe

D≤ 100mm

± 0.75%(minimum ± 0.5mm)

D ＞ 100~ 320mm

± 0.9%

Cold pipe: D≤ 120mm

± 0.6%(minimum ± 0.25mm)

ASME SA -192M or ASME SA -209M or ASME SA -210M ASME SA -335M or JIS G 3461

heat pipe

D ＜ 100mm

0.4~ -0.8mm

D≥ 100 ~ < 160mm

0.4~ -1.2mm

D≥ 160 ~ < 200mm

0.4~ -1.8mm

D ≥ 200 mm

0.4~ -2.4mm

Cold pipe

D ＜ 25mm

± 0.10 mm

D≥ 25 ~ < 40mm

± 0.15 mm

D≥ 40 ~ < 50mm

± 0.20 mm

D≥ 50 ~ < 60mm

± 0.25 mm

D≥ 60 ~ < 80mm

± 0.30 mm

ASME SA-106

D 10.3~ 48.3mm

± 0.40 mm

D ＞ 48.3~ 114.3mm

± 0.79 mm

D ＞ 114.3~ 219.1mm

1.59~ -0.79mm

D ＞ 219.1~ 457mm

2.38~ -0.79mm

Wall thickness

DIN17175

D≤ 130mm

S ≤ 2Sn

+15%~-10%

S ＞ 2Sn~4Sn

+12.5%~-10%

S ＞ 4Sn

± 9%

130

S ≤ 0.05D

+17.5%~-12.5%

0.05D < S ≤ 0.11D

± 12.5%

S ＞ 0.11D

± 10%

ASME SA -192M or ASME SA -209M or ASME SA -210M ASME SA -335M or JIS G 3461

heat pipe

S ≥ 2 ~ <2.4mm, and D < 100

+40~0%

S ≥ 2.4 ~ < 3.8mm

+35~0%

S ≥ 3.8 ~ < 4.6mm

+33~0%

S ≥ 4.6mm

+28~0%

Cold pipe

D ＜ 40

S ＜ 2mm

0.4~ 0mm

S ≥ 2mm

+20~0%

D ≥ 40

+22~0%

ASME SA-106

-12.5%