ASTM A320 L7 A193 B7 Stud Bolts / Threaded Rod

• Material: A320 L7,A193 B7.B7m,B16 Threaded Rod
• Type: Round Head
• Head Style: Round
• Standard: DIN, ANSI, GB, JIS, BSW, GOST
• Grade: A320 L7,A193 B7.B7m,B16 Threaded Rod
• Application: Machinery, Chemical Industry, Environmental, Building
• Model NO.: astm a320 l7
• Finish: Black
• Grades: A320 L7,A193 B7.B7m,B16 Threaded Rod
• Products: Threaded Rod, Full Threaded Rod, Stud Bolts
• Nuts: A194 2h
• Transport Package: Wooven Cloth and Wooden Pallet
• Specification: 1/2′′ - 2 1/2′′
• Trademark: Laiwu Xincheng
• Origin: China
• HS Code: 73181900
• Production Capacity: 3000tons/Month

Product Description

astm a320 l7 a193 b7 stud bolts / threaded rod

A320 L7 threaded rods: 1/2'' - 2 1/2''

A193 B7,B7M,1/2'' - 4''

Surface:Self Clor, Black, Gavanized and so on.

 

ASTM A320 GRADES L7, L7M, L70, L7A, L7B, L72, L7C, L73, L43,

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)

 

Grade and Class	Diameter	Heat Treatment	Tensile Strength  Min KSI	Yield Strength  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