Hot-rolled Medium and High Carbon Steel

Steel for saw blade: 75Cr1, 30CrMo, 80CrV2, 65Mn, 50Mn2V, SKS51, SK85 Carbon structural steel: 20#–60#, 20Mn–55Mn, SAE1020–SAE1055, S20C–S55C, C20–C60 Carbon tool stee: T8–T12, SK85–SK120, SAE1065–SAE1074 Alloy structural steel: 51CrV4, 40Cr, 50Cr, 45MnCr, 30CrMo–42CrMo4, 22MnB5, 30MnB5, 38MnB5, 20Mn2, 25Mn2A, 16MnCr5 Alloy tool steel: SKS51, SAE8660, D6A, X32, RM80, B318, 9SiCr, 80CrV2, 75Cr1 others(Bearing steel,spring steel): GCr15, 60Si2Mn

Commodity name： Hot-rolled Medium and High Carbon Steel

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david@prosper-bridge.com

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Application and Features

1. The medium and high carbon steel （0.20-1.2% C）covers complete range of specifications with high toughness, hardenability and wear-resistance, which are widely used in saw blade (such as stone, metallurgy and woodworking, etc.), automotive parts （such as disk spring, safety buckle, seat, gear, etc.), cutter, tool and high strength straps etc. Strip thickness covers from 1.5mm to 20mm and width ranges from 980mm to 2050mm .

2. The medium and high carbon steel has appropriate hardness, so that turned-down edge due to over softness and fracture due to over hardness shall not be generated during the stamping. The product performs good plasticity, and the high reduction can be applied during cold rolling process.

3. With good profile and high dimension accuracy, the product higher than 3.9mm in thickness can be cut in the most advanced domestic cross-cut shearing line, which guarantees good flatness, i.e, unflatness of cut-to-length sheet＜10mm/m. The unflatness of the product with thickness lower than 3mm can be guaranteed as<15mm/m through finishing.

Delivery Standard

Type		Application	Technical agreement
Family	Grade	Application	Technical agreement
Steel for saw blade	75Cr1, SKS51, 80CrV2, 65Mn, 50Mn2V, 30CrMo, SK85	Stone, metallurgy and woodworking saw, etc	GB/T 24181, JIS G4404, EN 10132-4
Carbon structural steel	20#-60#, 20Mn-55Mn, SAE1020-SAE1055, S20C-S55C, C20-C60	Auto parts, tool, knife, saw	GB/T 710, GB/T 711, ASTM A29/A29M, JIS G4051, EN10132-4
Carbon tool steel	T8-T12, SK85-SK120, SAE1065-SAE1074	Tool, knife, saw	GB/T 1298, JIS G4401, ASTM A29/A29M
Alloy structural stee	51CrV4, 40Cr, 50Cr, 45MnCr, 30CrMo-42CrMo4, 22MnB5, 30MnB5, 38MnB5, 20Mn2, 25Mn2A, 16MnCr5	Auto parts, tool, knife, saw、agriculture machinery	GB/T 3077, EN 10083-3, EN 10084, Technical Agreement
Alloy tool steel	SKS51, SAE8660, D6A, X32, RM80, B318, 9SiCr, 80CrV2, 75Cr1	Tool, knife, saw, sawblade	JIS G4404, ASTM A29/A29M, GB/T 1299, EN 10132-4, DIN 17350-1980
others(Bearing steel, spring steel)	GCr15, 60Si2Mn	Wear-resistant welded pipe, small spring	GB/T 18254, GB/T 1222