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18CrNiMo7-6 (1.6587) / 17CrNiMo6 / Forged Rough Turned Heat Treatment and Machined Alloy Steel Forged Shaft

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Address: NO.288,YOUYI ROAD ,XI SHAN DISTRICT,WUXI CITY,CHINA

Contact name:Gao Ben

JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

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18CrNiMo7-6 (1.6587) / 17CrNiMo6 / Forged Rough Turned Heat Treatment and Machined Alloy Steel Forged Shaft

Country/Region	china
City & Province	wuxi jiangsu
Categories	Steel Strips

Product Details

Alloy Steel Round Bar 30CrNiMo8:

Material:	30CrNiMo8
Diameter:	10mm-700mm
Length:	3000mm-12000mm Straightness: 3mm/M max
Process:	EAF + LF + VD + Forged + Heat Treatment (optional)
Delivery condition:	Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)
Delivery Time:	30-45 days
MOQ:	1 tons
Heat treatment:	Normalized / Annealed / Quenched / tempered
Technical Data:	According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
Test:	Ultrasonic test according to SEP 1921-84 G3 C/c
Marking:	Grade, heat NO. length will be stamped one each bar with required color
Payment:	30% advance by TT, the balance against B/L
Application:	Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.

18CrNiMo7-6 (1.6587) / 17CrNiMo6 / 18CrNiMo7 Forged rough turned round bars

1.18CrNiMo7-6 (1.6587) / 17CrNiMo6 / 18CrNiMo7 forged steel bar sizes we can offer;
Round bar: 200-1000mm
Square bar:150×150-600×600mm

2.Supply condition for 18CrNiMo7-6 (1.6587) / 17CrNiMo6 / 18CrNiMo7 Forged steel bars:
Black /Rough Machined /Rough turned

3.Futhur heat treatment for 18CrNiMo7-6 (1.6587) / 17CrNiMo6 / 18CrNiMo7 forged steel :
Normalized
Annealed
Q&T(Quenched&Tempered)

4.18CrNiMo7-6 (1.6587) / 17CrNiMo6 / 18CrNiMo7 Forged Steel round bar tolerance:
Black surface
Forged sizes up to 500mm (-0/+5mm)
Forged sizes above 500mm in diameter (-0/+8mm)
Machined surface to all sizes (-0/+3mm)

5. 18CrNiMo7-6 (1.6587) / 17CrNiMo6 / 18CrNiMo7 Equivalent

EU	Germany	France	England	Italy	China	Finland	Inter
EN	DIN,WNr	AFNOR	BS	UNI	GB	SFS	ISO
18CrNiMo7-6	17CrNiMo6	18NCD6	820A16	18NiCrMo7	17Cr2Ni2Mo	511	18CrNiMo7
18CrNiMo7-6	17CrNiMo7

6.Chemical composition of 18CrNiMo7-6 (1.6587) / 17CrNiMo6 / 18CrNiMo7

C	Si	Mn	Ni	P	S	Cr	Mo
0.15 - 0.21	max 0.4	0.5 - 0.9	1.4 - 1.7	max 0.025	max 0.035	1.5 - 1.8	0.25 - 0.35

7.HEAT TREATMENT OF 18CrNiMo7-6 (1.6587) / 17CrNiMo6 / 18CrNiMo7 FORGED STEEL

Soft Annealing: Heat 17CrNiMo6 to 650-700oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 229.

Normalizing: 850-880oC, air.
Hardening: Carburising: 880-980oC. Core Hardening: 830-870oC, water. Case Hardening: 780-820oC, water.
Tempering:Temperature: 150-200oC

8.Quality control:
1. Melting Process: EAF/BOF+LF+VD resulting in ingots
2. Both ends cut by saw
3. Ratio of forging:minimum 3:1
4. Grain size of final product: according to ASTM E112 more than 5,preferred more than 8
5. Ultrasonic test: As per SEP1921 Class C/c or D/d

9.MOQ: one piece per size/grade

10.Payment term: FOB CIF CFR EXW and so on

11.Delivery time : 7 to 30 days after deposit received.

12.Mark on both ends
Heat number, size, Length,grades, Weight,Origin (as per contract), or other as required

Business Terms

Packing

i. Common Standard Export-sea Packing : Each bundle is fixed at lest three times strips , wrapped with durable PVC material .

ii. Special Packing : Covered with film and packed in wooden box .

MOQ:1 Ton

Payment Term:30% advanced T/T payment, the balance before shipment or against copy of B/L

Shipment Term :The goods should be loaded with 20ft container or LCL

Quality Assurance:Mill Test Certificate is provided, Third Party Inspection is acceptable , Free Sample is available for Testing and welcome to our factory for personal inspection .