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20CrMnTiH Alloy Steel Rod / Hot Rolled Steel Bar OD 210*7600mm 20CrMnTi 20MnCr5G/18HGT

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20CrMnTiH Alloy Steel Rod / Hot Rolled Steel Bar OD 210*7600mm 20CrMnTi 20MnCr5G/18HGT

China 20CrMnTiH Alloy Steel Rod / Hot Rolled Steel Bar OD 210*7600mm 20CrMnTi 20MnCr5G/18HGT supplier
20CrMnTiH Alloy Steel Rod / Hot Rolled Steel Bar OD 210*7600mm 20CrMnTi 20MnCr5G/18HGT supplier 20CrMnTiH Alloy Steel Rod / Hot Rolled Steel Bar OD 210*7600mm 20CrMnTi 20MnCr5G/18HGT supplier

Large Image :  20CrMnTiH Alloy Steel Rod / Hot Rolled Steel Bar OD 210*7600mm 20CrMnTi 20MnCr5G/18HGT

Product Details:

Place of Origin: China
Brand Name: Laiwu Steel
Certification: MTC
Model Number: 20CrMnTiH

Payment & Shipping Terms:

Minimum Order Quantity: 5 tons
Price: 680 USD/Ton
Packaging Details: Export Packing
Delivery Time: 7 days
Supply Ability: 500 Tons
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Detailed Product Description
OD: 8-400mm Length: 1-12m
Surface: Black Type: Hot Rolled

EU
EN
USA
-
Germany
DIN,WNr
Japan
JIS
France
AFNOR
Italy
UNI
China
GB
Poland
PN
Czechia
CSN
Finland
SFS
Russia
GOST
Inter
ISO
20MnCr5 (1.7147)
SAE5120
20MnCr5
SMnC420H
20MC5
20MnCr5
20CrMn
20CrMnTi
20MnCr
18HGT
14221
510
18KHG

20MnCr5

 

1) characteristics of hardened steel alloy tool steel, good carburizing heat treatment process and the performance of the steel at ≤960 ℃ fine grain structure, commonly used in long-term heating carburizing temperature, the grain grew no tendency little residual austenite after quenching, therefore, the steel has high strength and wear resistance, excellent cutting performance, the main performance and 20CrMnTi and 20CrNi steel similar. Tensile strength σ ≥1080MPa, yield strength σ ≥885MPa, elongation δ ≥10%, 45% reduction of swelling, impact toughness (impact toughness) α ≥69J / cm, hardness ≤207HB, blank sample size to 15mm.
(2) the delivery status normalizing, annealing, tempering or heat treatment.
(3) the chemical composition of the standard GB / T 3077-1988 Steel (best quality scores,%) C 0.17 ~ 0.23, Si 0.17 ~ 0.37, Mn O.80 ~ 1.10, P O.013, S O.013, Cr l.00 ~ 1.30, Ti O.04 ~ 0.10, Cu O. 09.
(4) under the steel processing route forging die blanks feed → → → annealing cold extrusion machinery roughing → → recrystallization Mechanical finishing crystal annealing → → → carburizing quenching and tempering → polishing → assembly.
(5) quenching and tempering specification quenching temperature 860 ℃ ± 10 ℃, oil cooling, tempering temperature of 200 ℃, water or air cooling. Tempered martensite microstructure.
(6) Typical application examples
① The steel extruded aluminum sleeve cold extrusion die, D16, D20-type wire rope pressed aluminum sleeve cold extrusion die, the original use of CrWMn steel quenching, tempering, hardness 45 ~ 50HRC, despite the hardness of the more cold extrusion die low, but because CrWMn carbide steel tissue inhomogeneity could easily lead to mold chipping, cracking and early failure, life instrument for more than 1,000 pieces, some only a few hundred pieces.
Elected by 20CrMnTi steel production of these two sets of aluminum extrusion die of cold, after 950 ℃ heated salt water quenching, tempering is not used directly, mold hardness 46 ~ 48HRC, extruded aluminum cover over 2000 pieces, still in use.
② There are also many examples of the application of low-carbon martensitic steel strong cold die quenching process manufacturing.

 

 

20CrMnTiH Alloy Steel Rod / Hot Rolled Steel Bar OD 210*7600mm 20CrMnTi 20MnCr5G/18HGT

Contact Details
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

Contact Person: Gao Ben

Tel: +8618068357371

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