ASTM A320 L7 fully threaded UNC stud bolt for low temperature pipe fittings

ASTM A320 is a standard material specification covering alloy and stainless steel bolting materials for pressure vessels, valves, flanges, and fittings for low temperature services. ASTM A320 specification includes chemical composition, mechanical properties, dimensional reference standards, recommended nuts and washers for grades like L7, L43, B8, B8M, B8C, B8T and many others with notch toughness requirements.

Supplementary requirements includes Impact properties and hardness testing of class 2 bolting materials for ASME applications.

ASTM A320 Grades
L7 :13% Chromium Ferritic Steel
L7M :Chromium Molybdenum Alloy Steel, Quenched & Tempered
L43 :Chromium Molybdenum Alloy Steel, Quenched & Tempered
B8 :AISI 304 Stainless Steel, Carbide Solution Treated
B8 :Class 2 AISI 304 Stainless Steel, Carbide Solution Treated and Strain Hardened
B8M :AISI 316 Stainless Steel, Carbide Solution Treated
B8M :Class 2 AISI 316 Stainless Steel, Carbide Solution Treated and Strain Hardened
B8T :AISI 321 Stainless Steel, Carbide Solution Treated
B8T :Class 2 AISI 321 Stainless Steel, Carbide Solution Treated and Strain Hardened
B8C :AISI 347 Stainless Steel, Carbide Solution Treated

Type :
Full threads, Partial Threads, and customized as per requirements.

SIZE :
Nom Dia: ¼ to 4″ [6-100 mm]
Tailor made if required.
Length: As Per Standard or Upto any Length

SPECIFICATION / STANDARD :ASTM / ASME / BS / DIN / BS EN ISO

MATERIAL :C.S., M.S., Alloy Steel, Ferritic & Austenitic Stainless Steel
THREADS :UNC, 8UN, UNF, Metric Coarse & Fine Series.
SURFACE FINISH :
Self Color, Hot Dip Galvanized, Electro Galvanized, Di-Chromated, P.T.F.E. Coated or any other as per order requiremen

Packaging Details: a. bulk in cartons (<=25kg )+ 36CTN/wood solid Pallet

b. bulk in cartons 9"x9"x5" (<=18kg )+ 48CTN/wood solid Pallet

Supply Ability:1000 tons per month

MinimumOrder:200kgs for each specification

Trade Term:FOB/CIF/CFR/CNF/EXW/DDU/DDP

Payment :T/T, L/C , D/A , D/P , Western Union,etc

Market:South&north Amrica/Europe/ etc.

Shanghai Powermax Fastener co. Ltd was established in 2008, located in Shanghai China,. For many years of export experience, our products has been best-selling in Europe, the United States, the Middle East and Southeast Asia. The products are manufactured by more functions machine, which is brought in domestic and foreign well-known enterprises. The products made are fully compatible with the international standards, well received by domestic and foreign customers. Through scientific management, Shanghai Powermax Fastener co. Ltd has been obtained ISO9000 certificate of Quality Managerment System, SGS and BV international certificate system of Make in China.

Product standards including DIN, ISO, GB and ASME/ANSI, BS, JIS AS. Main levels of carbon steel: 4.8, 4.8, 6.8, 8.8, 10.9, and 12.9 grade, the main material of stainless steel SS201, SS304, SS316 and various kinds of special stainless steel.

The width range of our products can be divided into auto fasteners, mechanical fasteners, construction fasteners, power fasteners, railway fasteners, household electrical appliances fasteners and chemical fasteners,

We have first-class service team, so we can meet the different requests for a set of customers. We solemnly commitment, first-grade quality, timely delivery guaranteed

Reasonable price and service paramount, forward to the operation principle of quality first and customer first, pursuit of excellence to create first-class brand, our aim is brand promoting development, management promoting earnings, warmly greeting home and abroad new and old customers to communicate and cooperate to seek greater success and brilliant future.