A320 A193 A194 A563 A325 A490 IFI 111 IFI 145 DIN557 DIN934 DIN931 DIN933 DIN960 DIN961 DIN603 DIN601 DIN6923 DIN6921 DIN125 DIN127

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Welcome to Ningbo Beilun Milfast Metalworks Co.,Ltd - Stud Bolts,Threaded Rods,Bolts, Nuts,Washers, Metal Parts Welcome to Ningbo Beilun Milfast Metalworks Co.,Ltd - Stud Bolts,Threaded Rods,Bolts, Nuts,Washers, Metal Parts Welcome to Ningbo Beilun Milfast Metalworks Co.,Ltd - Stud Bolts,Threaded Rods,Bolts, Nuts,Washers, Metal Parts Welcome to Ningbo Beilun Milfast Metalworks Co.,Ltd - Stud Bolts,Threaded Rods,Bolts, Nuts,Washers, Metal Parts Welcome to Ningbo Beilun Milfast Metalworks Co.,Ltd - Stud Bolts,Threaded Rods,Bolts, Nuts,Washers, Metal Parts Welcome to Ningbo Beilun Milfast Metalworks Co.,Ltd - Stud Bolts,Threaded Rods,Bolts, Nuts,Washers, Metal Parts Welcome to Ningbo Beilun Milfast Metalworks Co.,Ltd - Stud Bolts,Threaded Rods,Bolts, Nuts,Washers, Metal Parts Welcome to Ningbo Beilun Milfast Metalworks Co.,Ltd - Stud Bolts,Threaded Rods,Bolts, Nuts,Washers, Metal Parts

THREAD RODS&STUD BOLTS			DIAMETER	MATERIAL	HEAVY HEX NUTS			DIAMETER	MATERIAL
ASTM A193 Grade B7/B7M			1/4"-4"	B7 (4140)	ASTM A194 Grade 2H/2HM			1/4"-4"	C1040 C1045
ASTM A320 Grade L7/L7M			1/4"-3"	B7 (4140)	DIN934 H=D Grade 2H/2HM			1/4"-4"
SAE J429 Grade 2/5/8			3/16"-2'	C1018 C1035 C1045 40CR4	ASTM A194 Grade7/ 7M			1/2"-2"	B7 (4140)
DIN 975 Class 4.8/8.8/10.9			M6-M52		DIN934 H=D Grade 7/7M			1/2"-2"	B7 (4140)
ASTM A193 Grade B16			1/4"-3"	12CrMoV
ASTM A193 Grade B8/B8M			1/4"-3"	S304/316	STRUCTURAL NUTS
ASTM A320 Grade B8/B8M			1/4"-3"	S304/316	ASTM A563 Grade A /B/ C/DH			1/4"-4"	C1040 C1045
					DIN 6915 Class 10			M12-M42
STRUCTURAL BOLTS
ASTM A325 Type 1			1/2"-1 1/2"	C1045/41Cr4	FLANGE NUTS
ASTM A490 Type 1			1/2"-1 1/2"	41Cr4 42CrMo	IFI 145 Grade 2/ 5/ 8			1/4"-1 1/2"	Q235/C1035/ C1045
DIN6914 Class 10.9			M12-M42		DIN 6923 Class 4/ 5/ 6/8/10			M4-M36
FLANGE BOLTS					HEX NUTS
IFI 111 Grade 2/ 5/ 8			1/4"-1 1/2"	Q235/C1035/ C1045	ANSI Grade 2/ 5/ 8			1/4"-4"	Q235 C1035 C1045 40CR 42CrMo
DIN6921Grade 4.8/6.8/8.8/10.9			M4-M36		DIN934 Class 4/ 5/ 6			M4-M100
HEX BOLTS					DIN934 Class 8/ 10/ 12			M4-M100
ASTM A307 GradeA/GradeB			1/4"-2"	C1035 C1045 41Cr4 42CrMo	CASTLE NUTS
ANSI Grade 2/Grade 5/Grade 8			1/4"-3"		ANSI B18.2.4.3M Grade 2 / 5			3/4"-1 1/2"	C1035 C1045
DIN931 Class 8.8 /10.9/12.9			M6-M80		DIN935 Class 6/ Class 8			M20-M36
DIN933 Class 8.8 /10.9/12.9			M6-M80		FLAT WASHERS
DIN960 Class 8.8 /10.9/12.9			M6-M80		ASTM F436			3/8"-4"	C1045
DIN961 Class 8.8 /10.9/12.9			M6-M80		DIN6916 HV 10			M12-M42	C1045
					DIN125 / DIN126			M4-M100	C1018/C1045
CARRIAGE BOLTS					LOCK/SPRING WASHERS
ANSI/ ASME B18.5 (IFI C-40)			1/4"-3/4"	C1035 C1045	ANSI/ASME B18.21.1			1/4"-3 1/2"	65Mn C1070
DIN603 Class 4.8/ 6.8/8.8			M5-M20		DIN127A / DIN127B			M4-M100


MATERIALS	C%	Si%	Mn%	B%	Ti%	P%	S%	Cr%	Mo%
12CrMoV	0.08-0.15	0.17-0.37	0.40-0.70	V%(0.15-0.30)		≤0.030	≤0.030	0.30-0.60	0.25-0.35
B7 (4140)	0.38-0.42	0.15-0.35	0.75-1.00			≤0.025	≤0.025	0.80-1.10	0.15-0.25
20MnTiB	0.17-0.24	0.17-0.37	1.30-1.60	0.0005-0.0035	0.04-0.10	≤0.035	≤0.035
41Cr4	0.37-0.45	0.17-0.37	0.50-0.80			≤0.030	≤0.030	0.80-1.10
C1045	0.42-0.50	0.17-0.37	0.50-0.80			≤0.035	≤0.035	≤0.25
C1035	0.32-0.40	0.17-0.37	0.50-0.80			≤0.035	≤0.035	≤0.25


Performance		Tensile Strength		Yield Strength	Elongation δ ≥ %	Contraction Ψ ≥ %	HRC	Tempering (℃ )	Quenching (℃)
		(Stress) N/m㎡ α b≥		N/m㎡ α q≥
A193-B7		862 (125000 PSI)		724 (105000 PSI)	16	50	26-35	593(min)	820-880
A320-L7		862 (125000 PSI)		724 (105000 PSI)	16	50	26-35	593(min)	820-880
12.9s		1220		1080	8	44	39-44
10.9s		1040		940	10	48	33-39
8.8s		800 m16≤d≥m16 830		660	12	52	24-31

NINGBO BEILUN MILFAST METALWORKS CO.,LTD

QIJIASHAN STREET, LIANHE AREA, NINGBO, CHINA

TEL: 0086-574-86231388 FAX: 0086-574-86231398

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