1.2343 hot rolled flat bar wholesale
Negotiable /Ton
Min.Order:5 Tons
Hubei Bo Da Metallurgical Rolling Co., Ltd.
1.2343 hot rolled flat bar wholesale
Steel grade: GB 4Cr5MoSiV / AISI H11/ DIN 1.2343 /JIS SKD6
1.Chemical Composition(%)
Grade | C | Si | Mn | P | S | Cr | Mo | V | W |
1.2343 | 0.36-0.42 | 0.90-1.20 | 0.30-0.50 | ≤0.03 | ≤0.03 | 4.80-5.80 | 1.10-1.40 | 0.25-0.50 | - |
4Cr5MoSiV | 0.33-0.43 | 0.80-1.20 | 0.20-0.50 | ≤0.03 | ≤0.03 | 4.75-5.50 | 1.10-1.60 | 030-0.60 | - |
2 Available sizes
Rolled flat bar Thickness 12-60mm width:200-605mm Rolled Round bar dia. 50-130mm
Forged flat bar Thickness:60-200mm width:100-800mm Forged square bar thickness/width 80-200mm
3.Hardness after annealed:≤235HBS
4 Properties
1 excellent high temp. Strength and thermal fatigue resistance
2 High ductility and toughness
3 good resistance to heat checking, cracking, hot wear and plastic deformation.
5 Applications
It is widely used for manufacture of casting dies, extrusion dies and forging dies.
EF/ESR(melting)+forging+hot rolled +annealed
7 Process
Furnce material-melting-steel ingot-forging-forging billet- heating-rolling-slow cooling-collecting-annealing-finishing(straightening-scouring-surface conditioning)-inspection-packing-shipping
8. Delivery condition
Annealed + black/peeled/turned/grinding/polishing surface upon customers' special request, UT test accord with SEP1921-84 class c/c d/d