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Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod

Name: Alloy Steel Large Threaded Rod ASTM A320 L7 Forged Double End Threaded Rod
Brand: NEW-ERA
Price: 1 USD

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Brand Name :	NEW-ERA
Model Number :	M3-M60
Certification :	ISO9001/TS16949
Price :	Negotiation
Payment Terms :	L/C, T/T
Supply Ability :	2000tons per month
Delivery Time :	20-30days

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Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod

ASTM A320 L7 Full Threaded steel Rod ASTM A320 L7 Alloy Steel threaded rods

The ASTM A320 specification covers alloy steel and stainless steel bolting materials for low temperature service. This standard covers rolled, forged, or strain hardened bars, bolts, screws, studs, and stud bolts used for pressure vessels, valves, flanges, and fittings.

1. Specifications and materials

dentification	L7, L7M, L70	L7A, L71	L7B, L72	L43
Grade	Chromium- Molybdenum (AISI 4140, 4142, or 4145)	Carbon- Molybdenum (AISI 4037)	Chromium- Molybdenum (AISI 4137)	Nickel-Chromium- (AISI 4340)

2. Chemical composition of A320 L7 steels.:

Element	L7 (AISI 4140)	L43 (AISI 4340)	B8 (AISI 304)	B8M (AISI 316)
Carbon	0.37 - 0.49%	0.38 - 0.43%	0.08% max	0.08% max
Manganese	0.65 - 1.10%	0.75 - 1.00%	2.00% max	2.00% max
Phosphorus, max	0.04%	0.04%	0.05%	0.05%
Sulfur, max	0.04%	0.04%	0.03%	0.03%
Silicon	0.15 - 0.35%	0.15 - 0.35%	1.00% max	1.00% max
Chromium	0.75 - 1.20%	0.70 - 0.90%	18.0 - 20.0%	16.0 - 18.0%
Nickel		1.65 - 2.00%	8.0 - 11.0%	10.0 - 14.0%
Molybdenum	0.15 - 0.25%	0.20 - 0.30%		2.00 - 3.00%

3. Mechanical properties of A320 L7,L7ML43 and so on..

Grade and Class	Diameter	Heat Treatment	Tensile Str Min KSI	Yield Str 0.2% Offset KSI	Elongation in 2in. Min, %	Reduction of Area Min, %	Hardness max
FERRITIC STEELS
L7, L7A, L7B, L7C, L70, L71, L72, L73	2-1/2" and under	quench and tempered	125	105	16	50
L43	4" and under	quench and tempered	125	105	16	50
L7M	2-1/2" and under	quench and tempered @ 1150F, min	100	80	18	50	235 HB / 99HRB
L1	1" and under	quench and tempered	125	105	16	50
AUSTENTIC STEELS
CLASS 1: B8, B8C, B8M, B8P, B8F, B8T, B8LN, B8MLN	ALL	carbide solution treated	75	30	30	50	223 HB or 96 HRB
CLASS 1A: B8A, B8CA, B8MA, B8PA, B8FA, B8TA, B8LNA, B8MLNA	ALL	carbide solution treated	75	30	30	50	192 HB or 90 HRB
CLASS 2: B8, B8C, B8P, B8F, B8T	3/4" and under	carbide solution treated and strain hardened	125	100	12	35	321 HB or 35 HRC
	over 3/4 to 1" incl		115	80	15	30	321 HB or 35 HRC
	over 1" to 1-1/4" incl		105	65	20	35	321 HB or 35 HRC
	over 1-1/4" to 1-1/2" incl		100	50	28	45	321 HB or 35 HRC
CLASS 2: B8M	3/4" and under	carbide solution treated and strain hardened	110	95	15	45	321 HB or 35 HRC
	over 3/4 to 1" incl		100	80	20	45	321 HB or 35 HRC
	over 1" to 1-1/4" incl		95	65	25	45	321 HB or 35 HRC
	over 1-1/4" to 1-1/2" incl		90	50	30	45	321 HB or 35 HRC

4. Sizes we can also for full Threaded rods: 1/4‘’ to 4‘’

5. MOQ: Normally we don't have any MOQ requirements, because we produce threaded rods for big quantity every month

6. Delivery time : 7-30 days upon to the sizes & quantity.

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Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod

Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod

Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod

threaded metal rod

high tensile threaded rod

Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod

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