forged gear rings AISI 4340

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Basic Info

Product Description

Product Details

Basic Specification

Material	AISI 4340
Standard Or Nonstandard	Standard
Tooth Profile	Other
Material	Steel
Category	Ring Gears
Processing	Forging

Detail Description

Type	Gear Ring
Material	18CrNiMo7-6
Main production process	forged + heat treatment + rough machining + finish machining
Standards	ASTM, ASME, DIN, JIS, ISO, BS, API, EN
Delivery Status	N + T (Normalizing + Tempering)

Chemical analysis of steel:

Steel grade	C	Mn	Si	S	P	Cr	Ni	Mo	Al
0.15-0.20	0.50-0.70	≤0.40	≤0.010	≤0.020	1.60-1.80	1.50-1.70	0.30-0.35	0.020-0.050
0.17	0.62	0.30	0.003	0.018	1.70	1.56	0.32	0.040
18CrNiMo7-6 +HH	Sb	Ca	N2	O2	H2	Cu	Sn	V	Ti
≤0.005	≤ 0.0015	0.009-0.015	≤0.002	≤2.0ppm	≤0.25	≤0.03	≤0.03	≤0.005
0.001	0.0001	0.009	0.0016	1.3	0.06	0.001	0.010	0.001

Mechanical Properties：

Test t, °C	Re Yield strength,N/mm2	Rm Tensile strength,N/mm2	Specific elongation A5,%	Reduction, Z5, %	Hardness (HB)	Impact energy, KV +20°C ,J

+20	≥785	980-1325	≥10	≥35	(140-207)	Average min40
+20	1120	1320	15.2	55.5	162	168	84	68	65

Certification:CCS,TUV,GL,BV,DNV, RINA

Production Equipment: IF furnace, 50 EBT Electric arc furnace, LF refining furnace, 60T（VD/VOD),VC Pouring System, Dedusting system,

Additional Information

Payment Terms	L/C, T/T, D/P, Others
Minimum Order	50 tons
Lead Time / Delivery Time	60 Day(s)
Sample Available	NO
Delivery Details	According to customer\'s request.
Loading Info	By sea.
Packing Info	According to per customer\'s request.
Target Market(s)	Africa(except Middle East), Central & Southern Asia, Eastern Europe, Hong Kong/ Macao/ Taiwan, Japan & Korea, Latin America, Mainland China, Middle East, North America, Northern Europe, Oceania, Southeast Asia, Western & Southern Europe

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