Reliable Supplier 35CrMo Alloy Steel Pipe Seamless Steel Tube

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35CrMo  has high endurance strength and creep strength at high temperature, good impact toughness at low temperature, good hardenability, no overheating tendency, small quenching deformation, acceptable plasticity at cold edge forming and medium processability. Poor weldability, preheating before welding, post welding heat treatment and stress relief are generally used after quenching and tempering, and can also be used after high and medium frequency surface quenching or quenching and low and medium temperature tempering.


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We believe that long time period partnership is a result of top of the range, value added services, rich expertise and personal contact for Reliable Supplier 35CrMo Alloy Steel Pipe Seamless Steel Tube, We can do your custom-made get to fulfill your own satisfactory! Our company sets up several departments, including output department, revenue department, excellent control department and sevice center, etc.
We believe that long time period partnership is a result of top of the range, value added services, rich expertise and personal contact for China 35CrMo Alloy Seamless Steel Pipe, Qualified R&D engineer are going to be there for your consultation service and we are going to try our best to meet your requirements. So be sure to feel free to contact us for inquiries. You’ll be able to send us emails or call us for small business. Also you are able to come to our business by yourself to get further knowing of us. And we are going to surely supply you with the best quotation and after-sale service. We’re ready to build stable and friendly relations with our merchants. To achieve mutual success, we’ll make our best efforts to build a solid co-operation and transparent communication work with our companions. Above all, we’re here to welcome your inquiries for any of our items and service.
34CrMo4 / 35CrMo is used as important structural parts working under high load, such as transmission parts of vehicles and engines; The rotor, main shaft and transmission shaft with heavy load of turbo generator, the large section part 34CrMo4 is used to manufacture forgings with higher strength and larger quenching and tempering section than 35CrMo steel, such as large gear for locomotive traction, booster transmission gear, rear shaft, connecting rod and spring clamp with great load. 34CrMo4 can also be used for drill pipe joints and fishing tools in oil deep wells below 2000m.34CrMo4 Gas Cylinder Pipe, mainly used in automobile gas cylinder installation, fire protection, medical fields, industry equipment, etc.

The carbon equivalent value CEQ of 35CrMo steel is 0.72%. It can be seen that the weldability of this material is poor, and its hard tendency is large during welding. The hot crack and cold crack tendency of the heat affected zone of 35CrMo alloy pipe will be large. Especially when welding in the quenched and tempered state, the cold crack tendency of the heat affected zone will be very prominent. Therefore, on the basis of selecting appropriate welding materials and reasonable welding methods, higher pre welding preheating temperature Under the condition of strict process measures and proper interpass temperature control, the purpose of product welding can be achieved.

Pipe For Gas Cylinder Pipe8
Pipe For Gas Cylinder Pipe7
Pipe For Gas Cylinder Pipe4

-EN 10297-1 Seamless Circular Steel Tubes for Mechanical and General Engineering Purpose.

-GB/T 8162 Seamless Steel Tubes for Structural Purposes.

Steel Grade C Si Mn  P S Cr Mo
34CrMo4 0.30-0.37 0.40 max 0.60-0.90 0.035 max  0.035 max 0.90-1.20 0.15-0.30
Steel Grade C Si Mn  P S Cr Mo
35CrMo 0.32-0.40 0.17-0.37 0.40-0.70 0.035 max  0.035 max 0.80-1.10 0.15-0.25

Standards: GB18248 – 2000;

OD: Φ50-325mm; wall thickness: 3-55mm;

OD tolerance: ±0.75%;

Wall margin: -10%—+12.5%

Transverse slope: ≤2mm;

Straightness: 1mm/1m;

Inside diameter roundness: no more than 80% of the OD diameter tolerance.

Surface quality: without crack, folding, delamination and stammer.

Product Categories: Seamless steel tubes for high pressure vessels.

Usages: For all kinds of fuel, hydraulic, trailer, station with gas bottle.

Steel Grade: 34CrMo4、30CrMo、34Mn2V、35CrMo、37Mn、16Mn.We believe that long time period partnership is a result of top of the range, value added services, rich expertise and personal contact.
Reliable Supplier 35CrMo Alloy Steel Pipe Seamless Steel Tube
We can do your custom-made get to fulfill your own satisfactory! Our company sets up several departments, including output department, revenue department, excellent control department and sevice center, etc.
China 35CrMo Alloy Seamless Steel Pipe
Qualified R&D engineer are going to be there for your consultation service and we are going to try our best to meet your requirements. So be sure to feel free to contact us for inquiries. You’ll be able to send us emails or call us for small business. Also you are able to come to our business by yourself to get further knowing of us. And we are going to surely supply you with the best quotation and after-sale service. We’re ready to build stable and friendly relations with our merchants. To achieve mutual success, we’ll make our best efforts to build a solid co-operation and transparent communication work with our companions. Above all, we’re here to welcome your inquiries for any of our items and service.


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