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GB/T 8162 20# Structure tube Pipe steel plate

Additional Condition:
UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.

GB/T 8162 20# Steel Chemical Composition:

Structure tube chemical compositon

Standard

Grade

C

Si

Mn

P<

S<

Cu<

Ni<

Cr<

GB/T8162

20#

0.17-0.24

0.17-0.37

0.35-0.65

0.035

0.035

0.25

0.25

0.25

GB/T 8162 20# steel Mechanical Property:

Grade

Yield Strength (Mpa)

Tensile Strength (MPa)

Elongation (%)

20#

≤16mm

>16mm-30mm

≥30mm

≥390

≥20

≥245

≥235

≥225

GB/T 8162 20# steel Application:
Used in general structure and mechanism, including construction, machinery , transportation , aviation ,petroleum mining and each kind of structure tubes.

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