Specification :

Hot Forged, Spherodized Annealing, Black surface and not allow grinding. Saw cutting vertically for both ends. Diameter: 120 - 1000mm. Diameter tolerance: -0/ + 6mm. Length: 3.0 - 5.8 meters. Straightness: 3mm/ m max. Usual Steel Types: Carbon & Alloy Structural Steel, Carbon & Alloy Tool Steel, Die/ Mould Steel, Bearing Steel, Spring Steel, Stainless Steel, High Speed Steel. Usual Steel Grades: 1010-1085; S10C-S85C; C10-C85; EN9, 1566, 6150; SUP10; 50CrV4, 9260; SUP7, 52100; SUJ2; 100Cr6; EN31, 410; SUS410; X10Cr13, 416; SUS416, 420; SUS420J1; X20Cr13, SUS420J2; X30Cr13, 420F; SUS420F, 440C; SUS440C, SUH1, SUH3, D3; 1.2080, D2; SKD11; 1.2379, O1, A2; SKD12; 1.2510, L7, L6; SKT4; 1.2714, S6; SKT5, H21; SKD5, H11; SKD6; 1.2343, H13; SKD61; 1.2344, P20, 1.2738, SK5, SK6, W1; SK4, T1; SKH2, 1.3355, M2; SKH51; 1.3343. All can be supplied according to GB, ASTM/ AISI/ SAE, JIS, DIN, EN, BS standard or customers' special request.