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油管，套管及天然氣用無縫管

GB/T 9711.2
SY/T 6194

L210  L245
L290  L360

API 5CT

J55 37Mn5
N80 36Mn2V
P110 41MnV5

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GB/T 9711.1

API 5L

A,B,X42 ,X52,X60,X70

鍋爐、壓力容器，熱交換器化工用無縫管

GB 3087
GB 5310
GB 6479
GB 9948
GB 18248
GB/T 18984

10,20,20G 16Mn,37Mn
12CrMo 12Cr1MoV
15CrMo ,35CrMo,
10MoWVNb
etc

ASTM A53
ASTM A106
ASTM A333
ASTM A334
ASTM A556
ASTM A179
ASTM A192
ASTM A210

GR.A,B,
GR.A,B,C

GR1,GR6

GR.A-1,GR.C

DIN 1629

DIN 17175

St 37.0
St 44.0
St 52.0

St 35.8
St 45.8
17Mn4
15Mo3
13CrMo44

精密結構、汽車零部件用無縫管 
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GB/T 3639
GB/T 3094
GB/T 8713
GB/T 8162

10 20 35 45 16Mn,
12CrMo,15CrMo
12Cr1MoV,40Mn2,
20CrMo,42CrMo
etc

ASTM A519

1020
1025
1026
1035
1045
4130 etc

DIN 2391

St 35
St 45
St 52

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ASTM A213
ASTM A209
ASTM A335
ASTM A199

T11 T12 T22 T5 T9
T1 T1a T1b
P11 p22

輸送流體無縫管

GB/T 8163

10，20，25
Q295，Q345， 
Q460 etc