Specifications

ASTM A193 B7 A194 2H stud bolt and nut
1..Material:Carbon steel or alloy steel;
2.Advanced equipment and professional producti

1.Main Size:M12-M100 ,length:customized;

  

2.Standard: ASTM A193 M;

  

3.Material: 42CrMoA, B7 ;

 

 

4.Surface finishes: Black oxygenation,black phosphated,zinc-plated,plain,etc. ;

 

5.Usage: steel structures,such as multi-floor&high-rise steel structure buildings,industrial buildings,high way,railway,steel steam,tower,power station,airport and other structure workshop frames.

 

Specification	Material	Nominal Size (In.)	Mechanical Properties
			Minimum Tempering Temperature °F	Elongation in 4D, min, %	Yield Strength, min, 0.2 % offset, ksi	Tensile Strength, min, ksi	Reduction of Area, min, %	Hardness, max	Finish Treatment
ASTM A193 Grade B7	AISI 4140, 4142, 4105	1/2 to 2-1/2	1100	16	105	125	50	321HB or 35HRC	Black Oxide Zinc Plated Nickel Plated Phosphated HDG Dacromet Cadmium Plated PTFE(Teflon)
		2-1/2 to 4			95	115
ASTM A193 Grade B7M	AISI 4140, 4142, 4105	1/2 to 4	1150	18	80	100		235HB or 99HRB
ASTM A193 Grade B16	CrMoVa Alloy Steel	1/2 to 2-1/2	1200	18	105	125	50	321HB or 35HRC
		2-1/2 to 4		17	95	110	45
Specification	Material	Nominal Size (In.)	Minimum Tempering Temperature °F	Proof Load Stress (ksi)	Hardness Rockwell		Nut Type
					Min	Max
ASTM A194 Grade 2H	Medium Carbon Steel, Quenched and Tempered	1/2 to 4	850	175	C24	C35	Heavy hex nut Hex thin nut Hex nut
ASTM A194 Grade 2HM	Medium Carbon Steel, Quenched and Tempered	1/2 to 4	1150	150	159	235
ASTM A194 Grade 4	Medium Carbon Alloy Steel, Quenched and Tempered	1/2 to 4	1100	175	C24	C35
ASTM A194 Grade 7	Medium Carbon Alloy Steel, Quenched and Tempered	1/2 to 4	1100	175	C24	C35
ASTM A194 Grade 7M	Medium Carbon Alloy Steel, Quenched and Tempered	1/2 to 4	1150	150	159	235

Specification	Material	Nominal Size (In.)	Mechanical Properties
			Minimum Tempering Temperature °F	Elongation in 4D, min, %	Yield Strength, min, 0.2 % offset, ksi	Tensile Strength, min, ksi	Reduction of Area, min, %	Hardness, max	Finish Treatment
ASTM A193 Grade B7	AISI 4140, 4142, 4105	1/2 to 2-1/2	1100	16	105	125	50	321HB or 35HRC	Black Oxide Zinc Plated Nickel Plated Phosphated HDG Dacromet Cadmium Plated PTFE(Teflon)
		2-1/2 to 4			95	115
ASTM A193 Grade B7M	AISI 4140, 4142, 4105	1/2 to 4	1150	18	80	100		235HB or 99HRB
ASTM A193 Grade B16	CrMoVa Alloy Steel	1/2 to 2-1/2	1200	18	105	125	50	321HB or 35HRC
		2-1/2 to 4		17	95	110	45
Specification	Material	Nominal Size (In.)	Minimum Tempering Temperature °F	Proof Load Stress (ksi)	Hardness Rockwell		Nut Type
					Min	Max
ASTM A194 Grade 2H	Medium Carbon Steel, Quenched and Tempered	1/2 to 4	850	175	C24	C35	Heavy hex nut Hex thin nut Hex nut
ASTM A194 Grade 2HM	Medium Carbon Steel, Quenched and Tempered	1/2 to 4	1150	150	159	235
ASTM A194 Grade 4	Medium Carbon Alloy Steel, Quenched and Tempered	1/2 to 4	1100	175	C24	C35
ASTM A194 Grade 7	Medium Carbon Alloy Steel, Quenched and Tempered	1/2 to 4	1100	175	C24	C35
ASTM A194 Grade 7M	Medium Carbon Alloy Steel, Quenched and Tempered	1/2 to 4	1150	150	159	235

Specification	Material	Nominal Size (In.)	Mechanical Properties
			Minimum Tempering Temperature °F	Elongation in 4D, min, %	Yield Strength, min, 0.2 % offset, ksi	Tensile Strength, min, ksi	Reduction of Area, min, %	Hardness, max	Finish Treatment
ASTM A193 Grade B7	AISI 4140, 4142, 4105	1/2 to 2-1/2	1100	16	105	125	50	321HB or 35HRC	Black Oxide Zinc Plated Nickel Plated Phosphated HDG Dacromet Cadmium Plated PTFE(Teflon)
		2-1/2 to 4			95	115
ASTM A193 Grade B7M	AISI 4140, 4142, 4105	1/2 to 4	1150	18	80	100		235HB or 99HRB
ASTM A193 Grade B16	CrMoVa Alloy Steel	1/2 to 2-1/2	1200	18	105	125	50	321HB or 35HRC
		2-1/2 to 4		17	95	110	45
Specification	Material	Nominal Size (In.)	Minimum Tempering Temperature °F	Proof Load Stress (ksi)	Hardness Rockwell		Nut Type
					Min	Max
ASTM A194 Grade 2H	Medium Carbon Steel, Quenched and Tempered	1/2 to 4	850	175	C24	C35	Heavy hex nut Hex thin nut Hex nut
ASTM A194 Grade 2HM	Medium Carbon Steel, Quenched and Tempered	1/2 to 4	1150	150	159	235
ASTM A194 Grade 4	Medium Carbon Alloy Steel, Quenched and Tempered	1/2 to 4	1100	175	C24	C35
ASTM A194 Grade 7	Medium Carbon Alloy Steel, Quenched and Tempered	1/2 to 4	1100	175	C24	C35
ASTM A194 Grade 7M	Medium Carbon Alloy Steel, Quenched and Tempered	1/2 to 4	1150	150	159	235

 

 

 

 

 

      We warmly welcome both domestic and overseas clients to inspect, instruct and develop the technical communication and business cooperation , and will promise you best product with excellent service at competitive price!