Seamless Steel Tube

FENGLI seamless steel tube has outer diameter ranging from 4mm to 150mm, and wall thickness ranging from 0.8mm to 15mm.

Given below is a list of standard we are following
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 to ensure quality. The list is given below:
chemical composition inspection, mechanical properties test (tensile strength, yield strength, elongation, flaring, flattening, bending, hardness, impact test), surface and 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 of products that includes precision welded steel tube, ERW steel tube, cold rolled precision seamless steel tube, cold drawn welded steel tube, and more.