NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 2000tons per month |
| Delivery Time | 20-30days |
| Packaging Details | bundles packing,wooden box packing |
| Standard | ASTM A320 A193 |
| Material | Stainless Steel,alloy steel,carbon steel,Brass,etc. |
| Size | can be customized,M3-M100,Cusomized,M3-M48 |
| Finish | Plain,black,Zinc plated,dacromet |
| Name | Stainless steel threaded rods(studdings),stainless steel threaded rod,Bolts,M42 M45 Stainless Steel Fasteners Full Threaded Rod And Bolt |
| Surface treatment | Nickel,Dacromet,Nickel-plated,Chrome |
| Class | 35K 45K C45 40Cr Gr.8.8 |
| Brand Name | NEW-ERA |
| Model Number | M3-M120 |
| Certification | ISO9001/TS16949 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 2000tons per month |
| Delivery Time | 20-30days | Packaging Details | bundles packing,wooden box packing |
| Standard | ASTM A320 A193 | Material | Stainless Steel,alloy steel,carbon steel,Brass,etc. |
| Size | can be customized,M3-M100,Cusomized,M3-M48 | Finish | Plain,black,Zinc plated,dacromet |
| Name | Stainless steel threaded rods(studdings),stainless steel threaded rod,Bolts,M42 M45 Stainless Steel Fasteners Full Threaded Rod And Bolt | Surface treatment | Nickel,Dacromet,Nickel-plated,Chrome |
| Class | 35K 45K C45 40Cr Gr.8.8 | Brand Name | NEW-ERA |
| Model Number | M3-M120 | Certification | ISO9001/TS16949 |
| Place of Origin | CHINA | ||
| High Light | high strength threaded rod ，high tensile threaded rod ，ASTM / A193 Threaded Steel Rod | ||
ASTM A193 B8 B8m Zinc Plated Galvanized threaded steel rod B7 M3-M120 Steel Threaded Rods
ASTM A193 B8 B8m/Zinc Plated Galvanized B7/M3-M120 DIN975 DIN976 Steel China
ASTM A193: B7, B7M, B16, B8 class 1, B8 class 2, B8M class 1, B8M class 2, B8T etc.
ASTM A320: L7, L7M, L43, B8 class 1, B8 class 2, B8M class 1, B8M class 2, B8T etc.
Sizes:1/4'' to 4''
1. Know A193 B7 & A193 B7M
1) ASTM A193 is alloy steel bolting material for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications.
Material according to ASTM A193 B7 is often available in national coarse (UNC) thread pitches, if being used in traditional applications, threads are specified 8 threads per inch (tpi) for diameters above one inch.
2) ASTM A193 Grade B7M bolts and studs are identical in chemistry to Grade B7 (quenched and tempered medium carbon alloy steel), but have lower strength requirements and require 100% hardness testing of all fasteners manufactured in the lot. Grade B7M bolts resist chloride, sulfide, and hydrogen stress corrosion cracking (SCC) and are frequently used in sour gas service.
2. A193 B7 & A193 B7M Raw material chemical composition
| Element | B7 / B7M (AISI 4140) |
| Carbon | 0.38 - 0.48% |
| Manganese | 0.75 - 1.00% |
| Phosphorus, max | 0.04% |
| Sulfur, max | 0.04% |
| Silicon | 0.15 - 0.35% |
| Chromium | 0.80 - 1.10% |
| Nickel | |
| Molybdenum | 0.15 - 0.25% |
3.. A193 B7 & A193 B7M Property
| Grade | Sizes | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min | HBW | HRC |
| A193 B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 | 321 max | 35 max |
| 2-5/8 - 4 | 115 | 95 | 16 | 50 | |||
| 4-1/8 - 6 | 100 | 75 | 18 | 50 |
| B7M | Up to 4 | 100 | 80 | 18 | 50 | 235 max | - |
| Over 4 - 7 | 100 | 75 | 18 | 50 |
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
| B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 |
| 2-5/8 - 4 | 115 | 95 | 16 | 50 | |
| 4-1/8 - 7 | 100 | 75 | 18 | 50 | |
| B8 Class 1 | All | 75 | 30 | 30 | 50 |
| B8M Class 1 | All | 75 | 30 | 30 | 50 |
| B8 Class 2 | Up to 3/4 | 125 | 100 | 12 | 35 |
| 2007/8/1 | 115 | 80 | 15 | 35 | |
| 1-1/8 - 1-1/4 | 105 | 65 | 20 | 35 | |
| 1-3/8 - 1-1/2 | 100 | 50 | 28 | 45 | |
| B8M Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 |
| 2007/8/1 | 100 | 80 | 20 | 45 | |
| 1-1/8 - 1-1/4 | 95 | 65 | 25 | 45 | |
| 1-3/8 - 1-1/2 | 90 | 50 | 30 | 45 | |
| B16 | Up to 2-1/2 | 125 | 105 | 18 | 50 |
| 2-5/8 - 4 | 110 | 95 | 17 | 45 | |
| 4-1/8 - 7 | 100 | 85 | 16 | 45 |
Company Details
Business Type:
Manufacturer
Year Established:
1988
Total Annual:
100000000-15000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Zhejiang New Era Steel Tube Technology Co., Ltd is one of the best seamless steel tube products manufacturer and exporter in china. Our main products include cold drawn and cold rolled seamless steel tubes .We can manufacture non-standard and special application tubes, also according to the int... Zhejiang New Era Steel Tube Technology Co., Ltd is one of the best seamless steel tube products manufacturer and exporter in china. Our main products include cold drawn and cold rolled seamless steel tubes .We can manufacture non-standard and special application tubes, also according to the int...
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