SEAMLESS STEEL TUBE FOR TUBING,CASING&NATURAL GAS

GB/T 9711.2
SY/T 6194

L210 L245
L290 L360

API 5CT

J55 37Mn5
N80 36Mn2V
P110 41MnV5

LINE PIPE

GB/T 9711.1

API 5L

A,B,X42 ,X52,X60,X70

SEAMLESS STEEL TUBE FOR BOILER,PRESSURE VESSEL&HEAT EXCHANGER

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

SEAMLESS STEEL TUBE FOR STRUCTURE & AUTOMOBILE PARTS,COLD DRAWN SHAPED STEEL TUBES

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

ALLOY STEEL TUBE

ASTM A213
ASTM A209
ASTM A335
ASTM A199

T11 T12 T22 T5 T9
T1 T1a T1b
P11 p22

SEAMLESS STEEL TUBE FOR LIQUID CONVEYANCE

GB/T 8163

10,20,25
Q295,Q345，
Q460 etc