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JIS G3445 Steel Pipe For Machine Structural Purposes

JIS G3445 Steel Pipe For Machine Structural Purposes

Chemical composition of JIS G3445 steel tube for machine structural purposes Mechanical properties of JIS G3445 steel tube for machine structural purposes Packing of JIS G3445 steel tube for machine structural purposes Large size:in bundles small size:in loose or wrapped in plastic, Shipment of...

Description

Chemical composition of JIS G3445 steel pipe for machine structural purposes


GradeCSiMnPS
STKM11A≤0.12≤0.35≤0.60≤0.040≤0.040
STKM12A≤0.20≤0.35≤0.60≤0.040≤0.040
STKM12B≤0.20≤0.35≤0.60≤0.040≤0.040
STKM12C≤0.20≤0.35≤0.60≤0.040≤0.040
STKM13A≤0.25≤0.350.30-0.90≤0.040≤0.040
STKM13B≤0.25≤0.350.30-0.90≤0.040≤0.040
STKM13C≤0.25≤0.350.30-0.90≤0.040≤0.040
STKM14A≤0.30≤0.350.30-1.00≤0.040≤0.040
STKM14B≤0.30≤0.350.30-1.00≤0.040≤0.040
STKM14C≤0.30≤0.350.30-1.00≤0.040≤0.040



Mechanical properties of JIS G3445 steel pipe for machine structural purposes

GradeYield   Strength (Mpa)Tensile   Strength (Mpa)Elongation   (%)
STKM11A\≥290≥35
STKM12A≥175≥340≥35
STKM12B≥275≥390≥25
STKM12C≥355≥470≥20
STKM13A≥215≥370≥30
STKM13B≥305≥440≥20
STKM13C≥380≥510≥15
STKM14A≥245≥410≥25
STKM14B≥355≥500≥15
STKM14C≥410≥550≥15


Packing of JIS G3445 steel pipe for machine structural purposes

Large size:in bundles 

small size:in loose or wrapped in plastic,


Shipment of JIS G3445 steel pipe for machine structural purposes

1.bulk cargo 

2.stuffing into container finished in our factory


Manufactured method of JIS JIS G3445 steel pipe for machine structural purposes

The tubes shall be manufactured by seamless process, electric resistance welding process, or butt welding process.

The tube shall be as manufactured or as cold-finished condition, or they shall be subjected to appropriate heat treatment.


Product show of JIS G3445 steel pipe for machine structural purposes

A53






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