Shanghai Powermax Fastener Co., Ltd.
| Payment Terms | L/C, T/T |
| Supply Ability | 1000 Tons per Month |
| Delivery Time | 15-25DAYS PER CONTAINER |
| Packaging Details | 25kgs/carton and 36 cartons on standard export wooden pallets |
| Material | ASTM A320 L7 |
| Diameter | 5/8" |
| Length | 200mm |
| Grade | L7 |
| Thread | UNC |
| Sample | All sample free |
| Surface | Plain |
| Product | ASTM A320 L7 fully threaded UNC stud bolt for low temperature pipe fittings |
| Brand Name | PM |
| Model Number | M6-M64, 1/4"-4" |
| Certification | ISO |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1000 Tons per Month |
| Delivery Time | 15-25DAYS PER CONTAINER | Packaging Details | 25kgs/carton and 36 cartons on standard export wooden pallets |
| Material | ASTM A320 L7 | Diameter | 5/8" |
| Length | 200mm | Grade | L7 |
| Thread | UNC | Sample | All sample free |
| Surface | Plain | Product | ASTM A320 L7 fully threaded UNC stud bolt for low temperature pipe fittings |
| Brand Name | PM | Model Number | M6-M64, 1/4"-4" |
| Certification | ISO | Place of Origin | CHINA |
| High Light | ASTM A320 200mm ptfe coated fasteners ，200mm 5 / 8" ptfe coated bolts ，200mm 5 / 8" ptfe coated fasteners | ||
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.
| ASTM A320 Chemical Composition | ||||||
| Element | Grade L7, L7M | Grade L43 | Grade B8 | Grade B8M | Grade B8T | Grade B8C |
| Carbon | 0.38 - 0.48 | 0.38 - 0.43 | 0.08 max | 0.08 max | 0.08 max | 0.08 max |
| Manganese, max | 0.75 - 1.00 | 0.75 - 1.00 | 2.00 max | 2 | 2 | 1 |
| Phosphorus, max | 0.035 | 0.035 | 0.045 | 0.045 | 0.045 | 0.04 |
| Sulfur, max | 0.04 | 0.04 | 0.03 | 0.03 | 0.03 | 0.03 |
| Silicon | 0.15 - 0.35 | 0.15 - 0.35 | 1.00 max | 1 | 1 | 1.00 max |
| Nickel | - | 0.40 - 0.70 | 8.0 - 11.0 | 10.0 - 14.0 | 9.0 - 12.0 | 8.00 - 11.00 |
| Chromium | 0.80 - 1.10 | 0.40 - 0.60 | 18.0 - 20.0 | 16.0 - 18.0 | 17.0 - 19.0 | 18.0 - 20.0 |
| Molybdenum | 0.15 - 0.25 | 0.20 - 0.30 | - | 2.0 - 3.0 | - | - |
| Titanium | - | - | - | - | 5 x C, min | - |
| ASTM A320 Recommended Nuts & Washers | ||
| Bolt Grade | Nut Grade | Washer Grade |
| L7 | ASTM A194 Grade 7 | ASTM F436 Type 1 |
| L7M | ASTM A194 Grade 7M | ASTM F436 Type 1 |
| L43 | ASTM A194 Grade 4 OR Grade 7 | ASTM F436 Type 1 |
| B8 | ASTM A194 Grade 8 | AISI 304 |
| B8M | ASTM A194 Grade 8M | AISI 316 |
| B8T | ASTM A194 Grade 8T | AISI 321 |
| B8C | ASTM A194 Grade 8C | AISI 347 |
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2008
Total Annual:
9000000-10000000
Ecer Certification：
Active Member
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 ... 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 ...
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