Seamless Steel Tube

SeamlessSteel Tube

FENGLI seamless steel tubehas outer diameter ranging from 4mmto 150mm, andwall thickness ranging from 0.8mmto 15mm.

Given below is a list of standard we arefollowing
ASTM  A178  Grade A, C, D
ASTM  A192
ASTM  A210  GradeA-1, C
BS3059-Ⅰ  320 CFS
BS3059-Ⅱ 360, 440, 243, 620-460, 622-490,    S1, S2, TC1,TC2
EN10216-1  P195TR1/TR2, P235TR1/TR2, P265TR1/TR2
EN10216-2  P195GH, P235GH, P265GH, TC1, TC2
DIN17175 ST35.8, ST45.8
DIN1629 ST37.0, ST44.0, ST50.0
JIS G3454 STPG370, STPG410
JIS G3461 STB340, STB410, STB440
GB5310 20G, 15MoG,12CrMoG, 12Cr2MoG, 15CrMoG, 12Cr1MoVG, 12Cr2MoWVTiB
GB9948    10, 20, 12CrMo, 15CMo
GB3087    10, 20
ASTM A179
GB6479 10, 20, 16Mn, 15MnV, 12CrMo, 15CrMo, 12Cr2Mo, 12SiMoVNb
ASTM A106 　Grade A, B, C
ASTM A53  S  Grade A, B
GB/T8 163 10, 20, Q295, Q345

Delivery condition
Annealed, normalized, normalized and tempered

Inspection and test
Fengli seamless steel tubes are given a series of inspections and tests toensure quality. The list is given below:
chemical composition inspection, mechanicalproperties test (tensile strength, yield strength, elongation, flaring,flattening, bending, hardness, impact test), surfaceand dimension test, no-destructive test, hydrostatic test.

Surface treatment
Oil-dip,varnish, passivation, phosphating,shot blasting

As a China based seamless steel tube manufacturer, we provide a vast variety ofproducts that includes precision welded steel tube, ERW steel tube, cold rolledprecision seamless steel tube, cold drawn welded steel tube, and more.