Mandrel Bar

Product: Mandrel Bar.
Dia.: 135 mm round,
Qty. 100 pcs
Diameter Tolerance: +0.15mm/-0.00mm
Length of Mandrel: 18000mm
Length Tolerance: +20mm/-0mm
Tensile Strength: 1100 to 1250 N/Sq.mm
Surface Roughness: Rz about 20MY
Straightness: 1:1500
Finish: Heat Treated? (Rolled? Tempered & Quenched & Ground, Ensured against rust formation)
End finish: As per drawing No M/PB/M/0087 Rev R3
Material: Alloy Steel, 28NiCrMoV10? German 1.2740
Packing: All bars will be protected with thick rust preventive coating and packed in Seaworthy wooden crates. (Max. 3 mandrel bars in one crate / box).
Third Party Inspection: All mandrels will be inspected for OD, length, surface quality (Roughness) by spot check etc. & certified by internationally reputed inspection agency e.g. RWTUV etc.
Mill Test Certificate: Mill Test Certificate for OD, Length of each Mandrel, Surface Quality, Physical, Chemical, UT, Hardness, Tensile Testing, Straightness and Steel grade is required.