Heavy Hex Structural Bolts ASTM A325M

.

Profile

Products

Associates

Exhibitions

Enquiry

Our Products

Heavy Hex Structural Bolts ASTM A325M

Metric Series - Physical Properties

Physical Properties
		Type '1'	Type '1'
Nominal Thread Size		M12 to M24	M25 <36
Tensile Strength (Min.)	(N/mm2)	830	830
Yield Strength (Min.)	(N/mm2)	660	660
Proof Load Stress (Min.)	(N/mm2)	600	600
On GL = 2" Elongation (Min.)	[%]	12	12
Reduction of Area (Min.)	[%]	35	35
Hardness	[HR]	Bolt length <2D C25-C34	Bolt length <3D C19-C30
Hardness	[HR]	Bolt length 2D and over C34 (Max.)	Bolt length 3D and over C30 (Max.)

Rotational Capacity Test for Zinc Coated Bolts
Bolt length in	Nominal Nut rotation degree (Turn)
2D and Shorter	180 (1/2)
Over 2D to 3D Incl.	240 (2/3)
Over 3D to 4D Incl.	300 (7/8)
Over 4D to 8D Incl.	360 (1)
Over 8D	420 (1-1/8)

Recommended Tightening Torques and Induced Loads
Thread Size and Pitch	Stress Area	Un-lubricated Finish	Induced Load
Thread Size and Pitch	MM2	Nm	KN
M12-1.75	84.30	93.47	38.9
M16-2.00	157	232-11	72.534
M20-2.50	245	452.76	112.19
M22-2.50	303	615.94	139.99
M24-3.00	353	782.81	163.09
M27-3.00	459	1,145.11	212.06
M30-3.50	561	1,555.10	259.18
M36-4.00	817	2,717.67	377.45

Metric Series - Dimensions:

Note:

The Bolts will generally conform to ANSI/ASME B 18.2.3.7M Metric Heavy Hex Structural Bolts.
Thread will conform to Class 6g of ANSI B1.13M Coarse Series.
Material: High Grade Carbon/Alloy Steel.
Heat Treatment as per ASTM A 325M or ASTM F 568M Class 8.8.
Thread length LT

LT1 for L<100

LT2 for L>100

All Dimensions are in millimeter

Nominal Thread Size	Pitch	F Max.	G Max.	B Max.	H Max.	R Max.	Length of Thread		Length Range
Nominal Thread Size	Pitch	F Max.	G Max.	B Max.	H Max.	R Max.	LT1	LT2	Length Range
M12	1.75	22.00	25.40	12.70	8.0	0.6	25	--	30-200
M16	2.00	27.00	31.18	16.70	10.0	0.6	31	38	50-200
M20	2.50	34.00	39.18	20.84	12.5	0.8	36	43	50-200
M22	2.50	36.00	41.57	22.84	14.0	0.8	38	45	70-200
M24	3..00	41.00	47.34	24.84	15.0	1.0	41	48	70-200
M27	3.00	46.00	51.12	27.84	17.0	1.2	44	51	80-200
M30	3.50	50.00	5774	30.84	18.7	1.2	49	56	100-200
M36	4.00	60.00	69.28	37.84	22.5	1.5	56	63	100-200

Stud Bolts ASTM A193

Stud Bolts ASTM A320

Hexagon Nuts SAE J995

Hexagon Nuts DIN 934

Dimension of Heavy Hex Nuts

Heavy Head Structural Bolts DIN 7990

Heavy Hex structural Bolts ASTM A325

Heavy Hex Structural Bolts ASTM A325M

Hex Bolts/Screws ASTM A307.Gr.A

Hex Bolts/Screws ASTM A307.GR.B

Hexagon Hex Bolts/ Screws Din 931/933

Hexagon hex Bolts /Screws 931/933

Hexagon Hex Nuts ASTM A194/A194M

Rounded Hardened Steel Washer

Spring Lock Washer DIN127

Taper & Square Washer

Structural Bolting /Nuts/Washer

Heavy Pattern 'U' Bolts

Anchor Bolts (Metric Series)

Hardened Steel Washer

Hexagon Socket Head Cap Screws DIN 912

Hexagon Socket Head Cap Screw ANSI B18.3

Heavy Hexagon Nuts ASTM A563, A, B, C, D, DH,DH3

Heavy Hexagon Hex Nuts ASTM A563M

|

|

|

|

|

|

|