Steel Tube for Automotive Purpose Application

BIS Specification	IS 3074
Nearest equivalent International Specification	BS 6323 DIN 2393 DIN 2394 JIS G3445 ASTM A513
Grade	ERW - 1 ERW - 2
Chemical Composition (%)	%C max %Mn %S max %P max 0.20 0.2-0.3 0.30-0.60 0.30-0.60 0.06 0.06 0.06 0.06
Mechanical Properties	Yield StrengthKgf/mm2 (Min) Ultimate Tensile Strength Kgf/mm2 (Min) %Elongation (Min) on 5.65 So 17 25 32 39 NS NS
Weld Properties	Flattening % Drift (Min) Bend test 3t 5t 12.5 10 NS NS
Dimensional Tolerances	OD Thickness Remarks Over up to incl  Toll mm mm mm - 25 ±0.10 25 51 ±0.13 51 63 ±0.18 63 76 ±0.20 76 88 ±0.25 ±8%

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