ASTM A320 Grade L7 Bolts and SA 320 L7 Stud Bolt Torque Chart

Why Choose pipingmaterial.sa for ASTM A320 Grade L7 Bolts in Saudi Arabia

Genuine Mill Origin

No Grey Market • OEM Traced Stock

100% ASTM A320 Compliant

Grade L7 • Hardness & Tensile Verified

Aramco & SABIC Approved

Trusted by Saudi Arabia's Top EPCs

Third-Party Inspected

EN 10204 3.1 MTC • NACE MR0175

Zero Substitution Policy

Exact Grade • No Material Mix-ups

Heat & Lot Traceability

Full Chemical • Mechanical Records

ASTM A320 Grade L7 Bolts Overview

A320 Grade L7 Bolts Size: M6 to M150
Threads: UNF, BSW, UNC, BSF, Metric
Thread Pitch: Coarse, Fine
Standards: DIN 976 & DIN 2510
Grades: AISI 4140/AISI 4140H
Coating : Xylon Coating
Temperature Range: -101°C (-150°F)
Raw Material Origin: Germany, Europe, India, Japan, Korea, Sweden
Environments: Cryogenic Temperatures
MTC: EN 10204 / 3.1B
RFQ:contact@pipingmaterial.sa

ASTM A320 Grade L7 Bolts Verified Suppliers in Saudi Arabia

Table of Content

ASTM A320 Grade L7 Bolts Specification
SA 320 L7 Stud Bolt Torque Chart
SA 320 L7 Stud Bolt Tensile Class
ASME SA 320 L7 Threaded Rod Size Chart
ASTM A320 Grade L7 Bolts Types
SA 320 Grade L7 Welding Studs Applications
A320 L7 Double End Stud Bolts Stress Rupture Requirements
ASTM A320 L7 Threaded Studs Weight Chart

L7 Double End Stud Bolts Surface Finishes
A320 Grade L7 Hex Bolt Chemical Composition
SA 320 Grade L7 UNC Stud Bolt Mechanical Properties
ASTM A320 Grade L7 Bolts Equivalent Grades
Saudi Aramco and SABIC Approved A320 L7 Threaded Rod Suppliers
Browse Other Fasteners Grades
A320 Grade L7 Hex Bolt V-Notch Charpy Impact Test Requirements
ASME SA320 Grade L7 Bolt Delivery Schedules

Supplied To:

Riyadh Dammam Al Jubail Yanbu Jeddah Taif Ras Al-Khair Al Khobar Dhahran Tabuk Jizan Sudair Rabigh

Provide :

Saudi Aramco Approved SABIC Approved ADNOC Approved EN 10204 3.1 MTC Ex-Stock Saudi Arabia

KNPC Approved SA 320 L7 Stud Bolt Suppliers in Saudi Arabia at Best Price

Finding ASTM A320 Grade L7 Bolts Suppliers in Saudi Arabia?, At www.pipingmaterial.sa Find Genuine Stockists and Suppliers Who Provide Best Quality SA 320 Grade L7 Bolt and Nuts at Low Cost

ASTM A320 Grade L7 Bolts Specification

A320 L7 Bolts Size Range

Diameter: 1/4″ to 4″
Metric: M6 to M100
Length: 1/2″ to 24″ (custom on request)

SA 320 L7 Stud Bolt Thread Configuration

UNC, UNF, UNEF, 8UN
ASME B1.1 Class 2A / 3A
Thread Pitch: Coarse & Fine
Left-hand thread on request

ASTM A320 Grade L7 Bolts Standards

ASTM A320 / A320M
ASME B18.2.1, B18.3
ASME B16.5, B16.47
ISO 4014, ISO 4017

A320 L7 Hex Bolt Available Grades

ASTM A320 Grade L7
Grade L7A, L7B, L7C, L7M
Material: Chromium-Molybdenum (4140 / 4142 Alloy Steel)

A320 L7 Bolts Types

Hex Bolts, Stud Bolts
U-Bolts, Eye Bolts, J-Bolts
Tap End & Double End Studs
Flange Bolts, Foundation Bolts

ASME SA 320 L7 Bolts Dimensions & Tolerance

Head Height: Per ASME B18.2.1
Shank Length: 6 mm to 600 mm
Tolerance: ASME B18.2.1 & ISO 4759
Custom dimensions on request

ASME SA 320 L7 Threaded Rod Surface Finish

Plain / Self Color
Black Oxide Coating
Hot Dip Galvanized
Phosphate & Oil Coated
PTFE / Xylan Coated

SA 320 Grade L7 Welding Studs Manufacturing Process

Hot and Cold Forged
CNC Machined & Thread Rolled
Quenched & Tempered (Heat Treated)

A320 Gr L7 Tap End Stud Bolts Testing Methods

Tensile & Proof Load Test
Charpy Impact Test (−100°F / −73°C)
Hardness Test (Rockwell / Brinell)
Ultrasonic & Magnetic Particle Test

ASTM A320 Grade L7 Nuts Packaging

Bubble Wrap & Custom Packing
Carton Box
Wooden Boxes / Pallets

SA 320 Grade L7 Welding Studs Documents Provided

Mill Test Certificate EN 10204/3.1B
Raw Material & Chemical Certificate
Third-Party Inspection Report
Quality Assurance Plan

A320 L7 Bolts Suitable Environment

Cryogenic Service (down to −150°F / −101°C)
Low-Temperature Pressure Vessels
LNG, Petrochemical & Refinery Plants
High-Pressure Flanged Joints

Find ADNOC Approved Stockists of A320 L7 Hex Bolt And Nuts With Different Torque Specifications

Looking For ASTM A320 Grade L7 Bolts Suppliers in Saudi Arabia For Offshore Platforms? Find Here Genuine Stockists and Exporterd Who Supply Good Quality A320 L7 Hex Bolt And Nuts in Various Sizes

SA 320 L7 Stud Bolt Torque Chart

BOLT	Torque Ft*lb
DIA	100% Final	30% Initial	70%
	Torque	Torque	Torque
9/16	110	33	77
2.1/2	11966	3590	8376
1.3/4	3924	1177	2747
5/8	152	46	107
1.1/8	958	287	671
7/8	436	131	305
1	653	196	457
1.1/4	1348	404	943
1.3/8	1828	854	1279
1.1/2	2413	725	1689
1.9/16	2746	824	1922
34	270	81	189
1.5/8	3118	935	2183
1/2	76	23	54
1.7/8	4871	1461	3410
2	5972	1792	4180
2.1/4	8635	2590	6044

SA 320 L7 Stud Bolt Tensile Class

ASTM A320 Grade L7 Class A

ASTM A320 Grade L7 Class B

ASTM A320 Grade L7 Class C

ASTM A320 Grade L7 Class D

Buy From Genuine Dealers of ASME SA 320 L7 Threaded Rod in Various Sizes With Third Party Inspection Reports

Get Competitive Quotes from Top 10 Verified SA 320 L7 Stud Bolt Stockists Who Offers Many Thread Options and Sizes at Best Price, No login required · No commission · Direct contact With ASTM A320 Grade L7 Bolts Suppliers in Saudi Arabia

ASME SA 320 L7 Threaded Rod Size Chart

Nominal Size	MD (inch)
Nominal Size	Max.	Min.
5/16″	0.3113	0.3026
1-1/2″	1.4978	1.4828
1-1/8″	1.1229	1.1079
9/16″	0.5609	0.5459
3/8″	0.3737	0.3643
1/2″	0.4985	0.4876
5/8″	0.6233	0.6112
7/16″	0.4361	0.4258
7/8″	0.8731	0.8592
3/4″	0.7482	0.7353
1″	0.998	0.983
1/4″	0.2489	0.2408
1-1/4″	1.2479	1.2329
1-3/8″	1.3728	1.3578

ASTM A320 Grade L7 Bolts Types

ASTM A320 Grade L7 Bolts Stockists in Saudi Arabia Supply The Following Types With MTC EN 10204 / 3.1B

A320 L7 Stud Bolt

SA 320 Gr L7 Hex Bolt

A320 Grade L7 Threaded Rod

Grade L7 Welding Studs

SA 320 L7 Unc Stud Bolt

ASTM A320 Grade L7 Shear Stud Bolt

Traders of SA 320 Grade L7 Welding Studs in Different Dimension For Petrochemical Industry

SA 320 Grade L7 Welding Studs Applications

Find Here Most Trusted ASTM A320 Grade L7 Bolts Suppliers in Saudi Arabia, Offering A320 Studs Tested By Oil and Gas Industry

Petrochemical

Oil & Gas

Desalination Plants

Marine Offshore

Power Plants

Pharmaceutical

Heat Exchangers

Water Treatment

Automotive & Transport

Architecture & Construction

Sourcing ASTM A320 Grade L7 Bolts in Saudi Arabia? Talk to Real Stockists

Skip the Agents. pipingmaterial.sa Connects You Directly With Mill-Certified A320 L7 Bolt Suppliers Who Keep Ready Stock for Petrochemical and Pressure Vessel Projects

Get Best Price Today

Refer to the L7 Double End Stud Bolts Stress Rupture Requirements and Weight Chart

A320 L7 Double End Stud Bolts Stress Rupture Requirements

Find SABIC Approved ASTM A320 Grade L7 Bolts Suppliers in Saudi Arabia, Who Offers L7 Studs and Threaded Rod For High Pressure Applications

bolts Tensile Class		D	A, B and C
Stress, min	ksi	40	56
Stress, min	Mpa	275	385
Test Temperature °F [°C]		1200 [650]	1200 [650]
Elongation, min, %		5	5
Time to Rupture, min, h [Note]		100	100

ASTM A320 L7 Threaded Studs Weight Chart

Find Saudi Aramco Approved ASTM A320 Grade L7 Bolts Stockists in Saudi Arabia, Who Provide A320 L7 Bolt and Threaded Rod in Various Dimension

Metric 22	Metric 20	Metric 5	Metric 14	Metric 6	Metric 18	Metric 16	Metric 8	Metric 10	Metric 12
30.120	23.810		11.628	1.560	18.868	14.409	3.071	5.464	7.740
30.120	23.810		11.628	1.560	18.868	14.409	3.071	5.464	7.740
32.051	25.126		12.255	1.670	20.000	15.244	3.270	5.774	8.183
28.409	22.727	1.030	11.261	1.450	17.857	13.624	2.870	5.155	7.299
34.014	26.455		12.626	1.781	21.008	16.026	3.472	6.083	8.621
39.063	29.070		13.228	2.000	23.256	17.606	3.873	6.702	9.506
40.000	30.303		13.889	2.111	24.510	18.248	4.072	7.013	10.000
35.461	27.778		12.987	1.890	22.124	16.835	3.671	6.394	9.058
41.667	33.113		14.925		26.042	19.841	4.472	7.634	10.917
47.170	38.168		17.730		31.250	23.041		8.881	12.723
50.000	40.984		18.797		32.895	24.631		9.506	13.624
46.296	35.714		16.340		27.778	21.459	4.873	8.251	11.820
52.632	43.478		20.000		34.722	26.316		10.101	14.535
58.824	48.544		22.222		37.594	29.412		11.312	16.340
64.935	53.191					32.680		12.500	18.116
55.556	46.296		20.833		35.461	27.933		10.707	15.432
61.728	50.505		24.272		40.984	31.056		11.905	17.241

L7 Double End Stud Bolts Surface Finishes

Plain

Zinc Phosphate

Hot Dip Galvanized

PTFE / Teflon Coated

Cadmium Plated

A320 Grade L7 Hex Bolt Chemical Composition

Elements>	Manganese	Phosphorus	Silicon	Boron	Sulfur	Carbon	Nickel	Molybdenum	Aluminum	Chromium	Titanium	Vanadium
Content, %>	2.00 max	0.04 max	1.00 max	0.001 – 0.010	0.03 max	0.08 max	24.00 – 27.00	1.00 – 1.50	0.35 max	13.50 – 16.00	1.90 – 2.35	0.10 – 0.50

SA 320 Grade L7 UNC Stud Bolt Mechanical Properties

Tensile Class	Tensile Strength, min		Yield strength, 0.2% offset, min		Elongation in 4D min, %	Reduction of Area, min, %
Tensile Class	MPa	ksi	MPa	ksi	Elongation in 4D min, %	Reduction of Area, min, %
A, B and C	895	130	585	85	15	18
D	895	130	725	105	15	18

ASTM A320 Grade L7 Bolts Equivalent Grades

🇺🇸

United States (ASTM/ASME)

ASME SA320
ASTM A193
AISI 4140 / 4142 / 4145
UNS G41400

🇯🇵

Japan (JIS)

JIS SCM440
JIS SCM435
JIS B 2220

🇩🇪

Germany / Europe (EN / DIN / ISO)

EN 42CrMo4 / 1.7225
DIN 42CrMo4
EN ISO 3269
EN 14399

🇮🇳

India (IS / BIS)

IS 1570 Part 4 – 40Cr4Mo3
IS 4367
IS 6649

🇰🇷

South Korea (KS)

KS SCM440
KS B 0233
KS D 3867

🇦🇺

Australia & United Kingdom

BS 4882
BS EN 42CrMo4
AS 4291.1
AS/NZS 1554

Get ASTM A320 Grade L7 Bolts Delivered Fast Across Saudi Arabia

Looking for A320 Grade L7 Stud Bolts in Bulk or Small Quantities? pipingmaterial.sa Links You Directly to Verified L7 Bolt Suppliers — No Middlemen, Transparent Pricing.

Request Quote Now

Approvals

Saudi Aramco and SABIC Approved A320 L7 Threaded Rod Suppliers

Saudi Aramco Approved Suppliers

Sandvik, Sweden
Gulf Steel Industries — Jubail, KSA
Sumitomo Metal Industries — Japan
Wyman Gordon / Precision Castparts Corp. (PCC) — USA

SABIC Approved Suppliers

Bumax — Sweden
National Factory for Fasteners (NFF) — Jeddah
Al-Rashed Fasteners — Dammam, KSA

Browse Other Fasteners Grades

Saudi Aramco approved L7 bolt suppliers in Saudi Arabia offering bolts qualified for cryogenic service temperatures

ASTM A320 Grade L7 Bolt Client Reference

At www.pipingmaterial.sa, Find Verified ASTM A320 Grade L7 Bolt Suppliers in Saudi Arabia Who Offers Fastest Delivery With Third Party Inspection Reports

Petrochemical Refinery

3/4" L7 Hex Bolts

SABIC Manufacturing Complex

Al Jubail, Saudi Arabia

Construction Project

5/8" L7 Double-End Studs

Saudi Electricity Company (SEC)

Riyadh, Saudi Arabia

Desalination Plant

1-1/4" L7 Threaded Rod

Saudi Water Authority (SWA)

Dammam, Saudi Arabia

Gas Processing Facility

7/8" Grade L7 Anchor Bolts

Tasnee Petrochemicals

Jubail, Saudi Arabia

Cryogenic Plant

1" L7 Stud Bolts (8UN)

Saudi Aramco Gas Plant

Abqaiq, Saudi Arabia

Marine Offshore Platform

1-1/2" L7 Stud Bolts

Zamil Offshore Service

Al Khobar, Saudi Arabia

Which nut is used with ASTM A320 Grade L7 bolts?

ASTM A194 Grade 2H heavy hex nuts as per ASME B16.5 flanging requirements

Need ASTM A320 Grade L7 Bolts for Cryogenic Service?

Source Charpy Impact Tested A320 Grade L7 Stud Bolts With Full MTCs Directly From Stock. No Delays, No Markup

Send Your Requirement

What certificates are provided with Grade L7 bolts?

EN 10204 3.1 Mill Test Certificate
Heat Treatment Certificate
Third-party TPI by SGS/Bureau Veritas on request
Hardness Test Report

A320 Grade L7 Hex Bolt V-Notch Charpy Impact Test Requirements

Test Temperature	-150º C
Test Temperature	-101º C
Size of Specimen, mm	10 by 10	10 by 7.5
Min Impact Value Required for Average of Each Set of Three Specimens, ft-lbf [J]	20 [27]	16 [22]
Min Impact Value Permitted for One Specimen Only of a Set, ft-lbf [J]	15 [20]	12 [16]

Is ASTM A320 L7 NACE MR0175 compliant?

Yes, A320 Grade L7 bolts can be supplied to NACE MR0175 / ISO 15156
Applications : sour service
Max hardness : 22 HRC (237 HBW)

ASME SA320 Grade L7 Bolt Delivery Schedules & Delivery to Saudi Arabia

Country / Origin	Destination Port	Air Freight (Days)	Sea Freight (Days)
South Korea	Dammam Port	2 to 3 Days	18 to 22 Days
India	Dammam Port	1 to 2 Days	10 to 14 Days
UAE (Ex-Stock)	Dammam / Jubail	Same Day	1 to 2 Days (Truck)
Qatar	Dammam Port	Same Day	3 to 4 Days
Japan	Dammam Port	2 to 3 Days	18 to 24 Days
USA	Dammam Port	4 to 5 Days	38 to 45 Days
Germany / Europe	Dammam Port	2to 3 Days	22 to 28 Days