Shanghai Unite Steel Trading Co., Ltd.

Model Number: DIN2391 ST35 Key Specifications/Special Features: High precision tube, DIN2391/ST35ApplicationHigh precision tube is used in automotive industry and in the occasion where the high accuracy, brightness, cleanness of the tube are requiredProcess: cold-drawn, cold-rolled, honin, skiving, hot-rolled + cold-drawnStandard:DIN2391, EN10305-1, GB3639, ASTM A519, EN 10297Chemical requirements:
Steel grade (%) C Si Mn P S
ST35 ≤0.17 ≤0.35 ≥0.40 ≤0.025 ≤0.025
Dimensions:
Outer diameter: 30-450mm
Wall thickness:2-40mm
Length random length, fixed length

Deliverycondition:
Cold-drawn,cold-rolled,stressrelieved,annealed (brightannealed,spheroidizeannealed),normalized,quenchedandtempered
Surface:black, smooth, bright

Heat treatment:
Annealed, full annealed, spheroidize annealed,normalized, stress relieved, quenched and tempered

Packing:optional

Test:chemical component analysis, mechanical properties (ultimate tensile strength, yield
strength, elongation), technical properties (flattening test, flaring test, bending test, hardness test, blow test, impact test), exterior size inspection

Mill test certifications:EN 10204/31B