ASTM A53, A106, API5L GrB
Seamless carbon and alloy steel mechanical tubing
Seamless carbon steel pipes for high temperature services.
Line pipes,
For conveying gas, water, ....

We could supply very heavy wall steel tubes with maximum wall thickness of 50mm, and out diameter ranging from 6mm to 219mm.
If you need to purchase these very heavy wall....

Stainless U-Tubes and pipes for boilers.
Heat exchangers.
Stainless U-Tubes and pipes for boilers.
Heat exchangers.

Seamless stainless steel tubes
ASTM A213/ A213M, ASTM A312/ A312M....

U tubes ASTM A179, ASME SA179
max 18m long
For heat eachangers, boliers, superheaters.

Richard Shen
Ningbo New-Era Steel Tube Co, .Ltd
Tel: 0086-574-87334900
Fax: 0086-574-87715158....

DIN2391 NBK then galvanized
EN10305-1 NBK then galvanized
For hydraulic use
High precision and smoothness for inside of the tubes.

Size: 4-280mm
WT: 1-50mm

Steel Grade:
ST35, ST37....

Mechanical tubes and Structural tubes
DIN17175, EN10216-2

ST 52.0, ST37.0, ST 35.8
16Mo3, 15Mo3,
10CrMo910, 12CrMo910
25CrMo, 25CrMo4, 34CrMo, 34CrMo4, 35CrMo, 30CrMo, 37Mn5 etc.....

Mechanical tubes and Structural tubes
DIN 2448/ 1629, EN10216-1, EN10216-2

ST37.0 ST52.0
ST37 ST37.5 ST52.0 ST52.3
P195TR1
P235TR1
P265TR1

Size:
OD: 6-219mm
WT: 1-50mm

Richard....

Seamless steel tubes
API5L API 5CT ASTM A106
Gr. B X42 X46 X52
N80 J55

Richard Shen
Ningbo New-Era Steel Tube Co, .Ltd
Tel: 0086-574-87334900
Fax: 0086-574-87715158
Mobile: 0086-....

Alloy seamless steel tubes ASTM A213:
Steel grade:
T5 P5
T11 T22 T91
P11 P22
SAE1010, SAE 1020, SAE1026, SAE 4130,
16Mo3, 15Mo3,
10CrMo910, 12CrMo910
34CrMo, 35CrMo, 30CrMo, 37Mn5....

ASTM A179 ASME SA179( SA-450/ SA-450M)
Seamless steel tubes,
Seamless cold drawn low carbon steel heat exchanger and condenser tubes.
For heat exchanger application,
For cold....

DIN2391EN10305 ST37.4 NBK
Seamless cold drawn precision steel tubes
Inside surface precision seamless tubes for hydraulic pressure and pneumatic services,
Black Phosphate Seamless....

ASTM A192 ASME SA192( SA-450/ SA-450M)
Seamless boiler steel tubes,
Seamless cold drawn low carbon steel heat exchanger and condenser tubes.
For heat exchanger application,
For cold....

EN10305-1, EN10305-2, EN10305-4

Honing and Rolling High precision tubes,
Surface qualityH7, H8, and H9.
ID: 40-280mm
Length: 3-9m

Size:
OD: 4-280mm
WT: 1-50mm

Steel grade:
ST35....

ASTM A519
Seamless carbon and allou steel mechanical tubing
For mechanical engineering

Size:
OD: 4.0-114mm
WT: 0.5-15mm

Steel Grade:
1008, 1010, 1018,
1020, 1025, 1026,
4130, ....