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DIN 17211 Alloy Steel Forgings 1.8519/31crmov9 Tool Nitriding Steel Flat Round

China DIN 17211 Alloy Steel Forgings 1.8519/31crmov9 Tool Nitriding Steel Flat Round

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DIN 17211 Alloy Steel Forgings 1.8519/31crmov9 Tool Nitriding Steel Flat Round

MOQ： 500KGS
Price： 0.65-1.85 USD/KG
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Payment Terms	L/C, T/T
Supply Ability	50000KGS
Delivery Time	7 Days
Packaging Details	Export Packing
Mechanical Properties	as Standard
Hs Code	7312000
Transport Package	Nude Packing or as Requested
Heat Treatment	Available
Strength	High
Package	Export Standard Package/as Request
Price Term	EXW,FOB,CIF,CFR
Products Name	Alloy Steel Round Bar
Secondary Or Not	Non-secondary
Mtc	EN10204 3.1
Corrosion Resistance	Yes
Product	Steel Round Bar
Density	8.83 g/cm3
Technique	Hot Rolled
Brand Name	TSING SHAN
Model Number	1.8519 31CrMoV9 QT
Certification	ISO SGS MTC
Place of Origin	China

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Product Details
Company Details

Product Specification


Payment Terms	L/C, T/T	Supply Ability	50000KGS
Delivery Time	7 Days	Packaging Details	Export Packing
Mechanical Properties	as Standard	Hs Code	7312000
Transport Package	Nude Packing or as Requested	Heat Treatment	Available
Strength	High	Package	Export Standard Package/as Request
Price Term	EXW,FOB,CIF,CFR	Products Name	Alloy Steel Round Bar
Secondary Or Not	Non-secondary	Mtc	EN10204 3.1
Corrosion Resistance	Yes	Product	Steel Round Bar
Density	8.83 g/cm3	Technique	Hot Rolled
Brand Name	TSING SHAN	Model Number	1.8519 31CrMoV9 QT
Certification	ISO SGS MTC	Place of Origin	China
High Light	DIN 17211 Alloy Steel Forgings ，1.8519 Alloy Steel Forgings ，31crmov9 Alloy Steel Forgings

Nitriding Steel Round Bar D 470 mm Material 1.8519 31CrMoV9 QT Forged Steel Soild Rod

Detail Page

Product Name	31CrNoV9 33CrMoV12-9 34CrAlNi7-10 41CrAlMo7-10 1.8519 1.8522 1.8550 1.8509 alloy steel bar/rod
Material	31CrNoV9 33CrMoV12-9 34CrAlNi7-10 41CrAlMo7-10 1.8519 1.8522 1.8550 1.8509
Standard	AISI,ASTM,GB,DIN,EN,BS,JIS
Technique	Hot rolled,cold rolled
Surface	No.1,2B,BA
Diameter	3-480mm or as required
Length	3000mm,4000mm,5800mm,6000mm,12000mm or as required
Tolerance	±5%
MOQ	1TON
Trade Terms	EXW,FOB,CFR,CIF
Payment Terms	30% TT for deposit,70% TT/70% LC at sight balance before shipment.
Delivery time	Shipped in 7-15 days after payment.
Package	Standard sea-worthy package or as required.

About products
31CrMoV9 is a nitriding steel which has at least 2.3%Cr,0.15%Mo,0.1%V as strengthening alloy elements.
Due to its high wear resistance,it is mainly used in the automotive industry and general components mechanical engineering.
30CrMoV9 is difficult to weld and therefore should not be used in weld constructions.It can attain surface hardness of 800 HV
after nitriding.31CrMov9 is directly involved the nitriding steel 30CrMoV9 (DIN1.7707).

Chemical Composition(%)

C	Mn	P	S	Si	V	Cr	Mo
0.27-0.34	0.40-0.70	≤ 0.025	≤ 0.035	≤ 0.4	0.1-0.2	2.3-2.7	0.15-0.25

Physical Property
Density ,g/cm3: 7.85
Specific heat capacity, J/(kg.K):460
Thermal conductivity ,W/(m.K):42
Electric resistivity,Ohm.mm2 /m:0.19
Modulus of elasticity ,Gpa: 210
Mechanical Property

Diameter d mm	16-40	40-100	100-160	160-250
Yield Strength Mpa	≥900	≥800	≥700	≥650
Tensile Strength Mpa	1100-1300	1000-1200	900-1100	850-1050
Elongation, %	≥9	≥10	≥11	≥12
impact,J	≥25	≥30	≥35	≥40
Hardness,HB	331-380	298-359	271-331	253-319

Forging
Heat the temperature between 1050ºC-1150ºC,hold suitable time for the steel to be thoroughly heated.Reheat the steel once
temperature below 850°C. Crack is easily occured when improper cooling way after forged,so it should be cooled as slowly
as possible in the furnace or in sand after forged.
Heat Treatment
Soft Annealing
Heat to 650-720ºC, cool slowly in the furnace. This will produce a maximum Brinell hardness of 248.
Hardening
Harden from a temperature of 870-930ºC, followed by oil/polymer or water quenching.
Tempering
Tempering temperature: 580-700ºC.
Nitriding
Gas/plasma nitriding temperature (gas, salt bath): 570-580ºC
Gas/plasma nitriding temperature (powder, plasma): 580ºC
Surface hardness after nitriding: 800 HV

Hold time,h	Hardness,HV
30	750	540	430	410	400	380	380
90	830	750	640	530	430	410	410
120	790	730	660	600	540	460	400
180	800	760	700	640	580	550	420
Depth,mm	0.15	0.25	0.35	0.45	0.55	0.65	1

Application
31CrMoV9 nitriding steel is used in mechanics automotive and general mechanics, which must be nitrided for very high wear forces,
for example, gears, rods or axes.Structural parts of medium and large cross sections and high surface hardness, e.g., valve and
gate valves, cylinders for combustion engines, superheated steam valves and fittings.

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DIN 17211 Alloy Steel Forgings 1.8519/31crmov9 Tool Nitriding Steel Flat Round

Nitriding Steel Round Bar D 470 mm Material 1.8519 31CrMoV9 QT Forged Steel Soild Rod

Chemical Composition(%)

C

Mn

P

S

Si

V

Cr

Mo

0.27-0.34

0.40-0.70

≤ 0.025

≤ 0.035

≤ 0.4

0.1-0.2

2.3-2.7

0.15-0.25

Physical Property Density ,g/cm3: 7.85 Specific heat capacity, J/(kg.K):460 Thermal conductivity ,W/(m.K):42 Electric resistivity,Ohm.mm2 /m:0.19 Modulus of elasticity ,Gpa: 210 Mechanical Property

Diameter d mm

16-40

40-100

100-160

160-250

Yield Strength Mpa

≥900

≥800

≥700

≥650

Tensile Strength Mpa

1100-1300

1000-1200

900-1100

850-1050

Elongation, %

≥9

≥10

≥11

≥12

impact,J

≥25

≥30

≥35

≥40

Hardness,HB

331-380

298-359

271-331

253-319

Hold time,h

Hardness,HV

30

750

540

430

410

400

380

380

90

830

750

640

530

430

410

410

120

790

730

660

600

540

460

400

180

800

760

700

Physical Property
Density ,g/cm3: 7.85
Specific heat capacity, J/(kg.K):460
Thermal conductivity ,W/(m.K):42
Electric resistivity,Ohm.mm2 /m:0.19
Modulus of elasticity ,Gpa: 210
Mechanical Property