Qingdao Teste Metal Products Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram,OA |
| Supply Ability | 5000Tons Per Months |
| Delivery Time | 5-15days depend on the quantity |
| Product name | Alloy Steel Sheet |
| Heat-treatment | +A,+N,+NT,+QT |
| Thickness | 3mm~1500mm |
| Surface | Black,Grounded,Peeled/Turned,Polished |
| Packaging Details | With iron sheet to pack the steel sheet and pallet .Also make the shipping marks on each bundles. |
| Product Name | Alloy Steel Bar |
| High light | pipe |
| Certification | ISO TUV SGS BIS CE |
| Place of Origin | Shandong China |
| Brand Name | TESTE |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram,OA | Supply Ability | 5000Tons Per Months |
| Delivery Time | 5-15days depend on the quantity | Product name | Alloy Steel Sheet |
| Heat-treatment | +A,+N,+NT,+QT | Thickness | 3mm~1500mm |
| Surface | Black,Grounded,Peeled/Turned,Polished | Packaging Details | With iron sheet to pack the steel sheet and pallet .Also make the shipping marks on each bundles. |
| Product Name | Alloy Steel Bar | High light | pipe |
| Certification | ISO TUV SGS BIS CE | Place of Origin | Shandong China |
| Brand Name | TESTE | ||
| High Light | flat rolled Alloy Steel Products ，AISI 4140 steel rectangular bar ，4140 steel rectangular bar 42CrMo4 | ||
AISI 4140 steel is a low alloy steel containing chromium, molybdenum, and manganese. It is widely used across numerous industries and is an excellent material choice due to its toughness, high fatigue strength, and abrasion and impact resistance.
CHEMICAL COMPOSITION
| Element | C | Mn | Si | P | S | Mo |
| 4140 | 0.38~0.43% | 0.75~1.0% | 0.15~0.30% | 0.035% | 0.04% | 0.15~0.25% |
| 4130 | 0.28~0.33% | 0.70~0.90% | 0.15~0.35% | 0.035% | 0.04% | 0.15~0.25% |
HEAT TREATMENT OPTION
FABRICATION AND HEAT TREATMENT
Machinability
AISI 4140 alloy steel has good machinability in the annealed condition.
Forming
AISI 4140 alloy steel has high ductility. It can be formed using conventional techniques in the annealed condition. It requires more pressure or force for forming because it is tougher than plain carbon steels.
Welding
AISI 4140 alloy steel can be welded using all conventional techniques. However, the mechanical properties of this steel will be affected if it is welded in the heat-treated condition, and post-weld heat treatment should be performed.
Heat Treatment
AISI 4140 alloy steel is heated at 845°C (1550°F) followed by quenching in oil. Before hardening, it can be normalized by heating it at 913°C (1675°F) for a long period of time, followed by air cooling.
Forging
AISI 4140 alloy steel is forged at 926 to 1205°C (1700 to 2200°F)
Hot Working
AISI 4140 alloy steel can be hot worked at 816 to 1038°C (1500 to 1900°F)
Cold Working
AISI 4140 alloy steel can be cold worked using conventional methods in the annealed condition.
Annealing
AISI 4140 alloy steel is annealed at 872°C (1600°F) followed by slowly cooling in the furnace.
Tempering
AISI 4140 alloy steel can be tempered at 205 to 649°C (400 to 1200°F) depending upon the desired hardness level. The hardness of the steel can be increased if it has a lower tempering temperature. For example, a tensile strength of 225 ksi can be achieved by tempering at 316°C (600°F), and tensile strength of 130 ksi can be achieved by tempering at 538°C (1000°F).
Hardening
AISI 4140 alloy steel can be hardened by cold working, or heating and quenching.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2018
Total Annual:
15000000-20000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Qingdao Teste Metal Products Co., Ltd. is a professional manufacturer with more than 20 years of experience in manufacturing stainless steel and carbon steel establised in 2018. Our location is in Wuxi - the largest stainless-steel processing center in China. We have our own factory and... Qingdao Teste Metal Products Co., Ltd. is a professional manufacturer with more than 20 years of experience in manufacturing stainless steel and carbon steel establised in 2018. Our location is in Wuxi - the largest stainless-steel processing center in China. We have our own factory and...
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