Product Description
astm 4140 steel alloy round bar
astm 4140 steel alloy round bar is a Chromium-Molybdenum through-hardening steel of medium hardenability. It is a general purpose
high-tensile steel with medium strength level and good impact properties.
Quenching and Tempering, abbreviated as Q&T is a king of processing that strengthen or harden steel bars by heating the materials
and then cooling in water, oil or other liquid medium, that rapidly the change from austenite to perlite to get the proper
properties for various usage. The quenched & tempered steel bar materials are usually with carbon from 0.30% - 0.60%, it is widely
used as merchant bars in components of various machines.
astm 4140 round steel bar material quenched and tempered q&t steel bar we supply includes following advangtages:
Consistent mechanical properties
Deep mechanical properties (from surface to the center according to your requirement)
Even hardness on the whole bars/Tougher and Increased strength
No brittle, UT testing/Precision size tolerance/Good straightness
Good Roughness/Professional technical service/Competitive price/Fast delivery
astm 4140 round steel bar material quenched and tempered q&t steel bar we supply:
high-tensile steel with medium strength level and good impact properties.
Quenching and Tempering, abbreviated as Q&T is a king of processing that strengthen or harden steel bars by heating the materials
and then cooling in water, oil or other liquid medium, that rapidly the change from austenite to perlite to get the proper
properties for various usage. The quenched & tempered steel bar materials are usually with carbon from 0.30% - 0.60%, it is widely
used as merchant bars in components of various machines.
astm 4140 round steel bar material quenched and tempered q&t steel bar we supply includes following advangtages:
Consistent mechanical properties
Deep mechanical properties (from surface to the center according to your requirement)
Even hardness on the whole bars/Tougher and Increased strength
No brittle, UT testing/Precision size tolerance/Good straightness
Good Roughness/Professional technical service/Competitive price/Fast delivery
astm 4140 round steel bar material quenched and tempered q&t steel bar we supply:
1. Brief introduction:
Product | Steel round bar | 12mm to 150mm | |||||
Steel square bar | 16*16mm to 150*150mm | ||||||
Hexagonal steel bar | 14mm to 150mm | ||||||
Delivery condition | Hot rolled + Q&T, cold drawn + Q&T, Q&T+ Peeled, Q&T+ Peeled+ Grinding | ||||||
Surface treatment | Quenching and Tempering,Shot blasting, Straightening,Cold drawing, Peeling & Turning, Grinding | ||||||
Sizes tolerance | ISO898 for hot rolled,h9, h10, h11 for cold drawn and peeling | ||||||
Certificate | ISO9001 | ||||||
MOQ | 1 ton each diameter according to stocks | ||||||
Delivery time | Within one month in general | ||||||
Payment term | T/T, L/C, D/P etc. |
2. astm 4140 round steel bar material:
GB | ASTM/SAE/AISI | DIN | SCM | AS /NZS1444 |
42CrMo | Aisi 4140 / sae 4140 / astm 4140 | 42CrMo4 / 42CrMoS4 | SCM440 | AS4140 |
3. astm 4140 round steel bar composition:
Materail | ||||||||||||
ASTM/SAE/AISI | C | Si | Mn | S | P | C | M | |||||
Aisi 4140 / sae 4140 / astm 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | 0.035 max | 0.035 max | 0.80-1.10 | 0.80-1.10 |
4. astm 4140 round steel bar mechanical properties:
Mechanical Properties | ||||||||
Yield Strength (MPa) | Tensile Strength (MPa) | Elongation | Reduction of area | AKV (J) | ||||
930 min | 1080 min | 12% min | 14% min | 63 min |
Packing & Delivery
Hui Yuan is a trading company established based on Liaocheng Development Zone Jinyun Steel Pipe Co., Ltd. The factory has more
than ten years of professional production experience .Now we have cold rolled seamless steel pipe 12 production lines and hot
rolled seamless steel pipe 1 production line,one more hot rolled seamless steel pipe production line is under construction.
Our main products are listed as follows: Hot Rolled steel pipe, Precision Cold Rolled steel pipe, Cold Drawn steel pipe, alloy
steel pipe, bearing steel pipe, spiral pipe, galvanized pipe,Honed tube,special shape steel pipe.etc.
Our company adheres to the business philosophy of exceeding customer expectations and fulfilling employees' dreams, and keeps
making progress to provide customers with reliable products and services.
Our products have been exported to Germany, South Korea, Russia, Malaysia, Pakistan, Thailand, India, Ukraine and other countries
and regions. We sincerely welcome friends from all over the world to contact us and establish mutually beneficial business
relations.
than ten years of professional production experience .Now we have cold rolled seamless steel pipe 12 production lines and hot
rolled seamless steel pipe 1 production line,one more hot rolled seamless steel pipe production line is under construction.
Our main products are listed as follows: Hot Rolled steel pipe, Precision Cold Rolled steel pipe, Cold Drawn steel pipe, alloy
steel pipe, bearing steel pipe, spiral pipe, galvanized pipe,Honed tube,special shape steel pipe.etc.
Our company adheres to the business philosophy of exceeding customer expectations and fulfilling employees' dreams, and keeps
making progress to provide customers with reliable products and services.
Our products have been exported to Germany, South Korea, Russia, Malaysia, Pakistan, Thailand, India, Ukraine and other countries
and regions. We sincerely welcome friends from all over the world to contact us and establish mutually beneficial business
relations.
Production Process
Contact Us
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