ASTM A320 L7 A193 B7 Stud Bolts / Threaded Rod

Basic Info

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