Stud Bolts ASTM A320

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Stud Bolts ASTM A320

To American Standard ASTM A 320

Chemical Analysis and Physical Properties

Low Temperature Services
ASTM A320		L7	L9	L10	B8	B8C	B8M	B8T	L7M

Chemical Analysis
Carbon		0.38-0.48	0.36-044	0.15-0.20	<0.08	<0.08	<0.08	<0.08	0.38-0.48
Manganese		0.75-1	0.65-0.95	0.40-0.60	<2	<2	<2	<2	0.75-1
Phosphorus Maxi		0.04	0.04	0.04	0.045	0.045	0.045	0.045	0.04
Sulphur maxi		0.040	0.040	0.040	0.030	0.030	0.030	0.030	0.040
Silicon		0.20-0.35	0.20-0.35	0.20-0.35	<1	<1	<1	<1	0.25-0.35
Nickle		--	3.25-3.75	3.25-3.75	8-12	9-13	10-14	9-12	--
Chromium		0.80-1.10		0.80-1.10	18-20	17-19	16-18	17-19	0.80-1.10
Miolybdenum		0.15-0.25		0.15-0.25			2-3		0.15-0.25
Titanium mini								5 x C
Colombium + Tantanium Mini						10 x C

Tensile Requirements
Min. Tensile Strength	Lbs/Psi	125.000	125.000	70.000	75.000	75.000	75.000	75.000	100.00
Min. Tensile Strength	Kg/mm2	88	88	49	53	53	53	53	70.5
Min Yield Strenght	Lbs/psi	105.000	105.000	40.000	30.000	30.000	30.000	30.000	80.000
Min Yield Strenght	Kg/mm2	74	74	28	21	21	21	21	56.5
Blongation in 2 inch.min %		16	16	25	35	35	35	35	18
Reduction of area min %		50	50	40	50	50	50	50	50
Min.Tensile Strength		-150	-225	-150	-325	-325	-325	-325	-100
Min.Tensile Strength		-101	-143	-101	-198	-198	-198	-198	-73
Min.Yield Strength		15	15	15	15	15	15	15
Min.Yield Strength		4.14	4.14	4.14	4.14	4.14	4.14	4.14

Equivalents
AISI		4140 4142-4145	2340	2317	304	347	321	316	4140 4142-4145
AFNOR		42CD4	--	--	Z6CN18-9	Z6CNNb 18-11	Z6CNT 18-11	Z6CND 17-11	42CD4
DIN		42CrmO4	--	--	X5CrNi 18-09	X10CrNiNb 18-09	X10CrNiNTi 18-09	X5CrNiMo 18-10	42CrMo4
WERKSTOFF		1.7225	--	--	1.4301	1.4550	1.4541	104401	1.7225
B.S.		1506-621 Gr.A	--	--	1506-801 Gr.B	--	1506-821 Gr.Ti	1506-845	1506-62 Gr.A

Equivalents
	4140 4142-4145	2340	2317	304	347	321	316	4140 4142-4145
	42CD4	--	--	Z6CN18-9	Z6CNNb 18-11	Z6CNT 18-11	Z6CND 17-11	42CD4
	42CrmO4	--	--	X5CrNi 18-09	X10CrNiNb 18-09	X10CrNiNTi 18-09	X5CrNiMo 18-10	42CrMo4
	1.7225	--	--	1.4301	1.4550	1.4541	104401	1.7225
	1506-621 Gr.A	--	--	1506-801 Gr.B	--	1506-821 Gr.Ti	1506-845	1506-62 Gr.A

Recommended Temperature Range
Minimum	--	--	-45oc	-198oc	-198oc	-198oc	-198oc	-129oc
Maximum	--	--	-482oc	67oc	675oc	675oc	675oc	575oc

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

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