Best quality Hot Sale Large Diameter Carbon Steel Tube Hot Rolled Welded Pipe AISI 4140 Alloy Tube 4130 Chromoly Seamless Steel Pipe 42CrMo4 1020 1045 5120 5140
Short Description:
Adhering to the principle of “quality, service, efficiency and growth”, we have gained trusts and praises from domestic and international client for Best quality Hot Sale Large Diameter Carbon Steel Tube Hot Rolled Welded Pipe AISI 4140 Alloy Tube 4130 Chromoly Seamless Steel Pipe 42CrMo4 1020 1045 5120 5140, We, with open up arms, invite all intrigued prospective buyers to visit our web page or get in touch with us specifically for additional info.
Adhering to the principle of “quality, service, efficiency and growth”, we have gained trusts and praises from domestic and international client for , We adopted technique and quality system management, based on “customer orientated, reputation first, mutual benefit, develop with joint efforts”, welcome friends to communicate and cooperate from all over the world.
|
Grade |
C |
Si |
Mn |
Cr |
Mo |
Ni |
|
20Cr |
0.18-0.24 |
0.17-0.37 |
0.50-0.80 |
0.70-1.00 |
/ |
/ |
|
Grade |
Tensile Strength(MPa) |
Yield Strength(MPa) |
% Elongation in 2 in.(50mm) min |
|
20Cr |
785-835 |
490-540 |
10 |
20Cr alloy steel pipe can improve the material utilization rate, simplify the manufacturing process, save materials and processing time, such as rolling bearing rings, jack sleeves, etc.
20Cr alloy steel pipe is also an indispensable material for various conventional weapons, and the barrel and barrel of the gun are made of steel pipe.
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or Cold Rolling, On line inspection
5. Heat Treatment
6. Straightening/Cutting to specified length/Finished Measuring Inspection
7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.
100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects
Hot Rolled, Annealed, Normalized, Quenched and Tempered
Packaging
1. Bundle packing
2. Beveled end or plain end or varnished as per buyer’s required
3. Marking: as per customer’s requests
4. Painting varnish coating on the pipe
5. Plastic caps at ends
Delivery time
With 15-30 days after full payment receivedAdhering to the principle of “quality, service, efficiency and growth”, we have gained trusts and praises from domestic and international client for Best quality Hot Sale Large Diameter Carbon Steel Tube Hot Rolled Welded Pipe AISI 4140 Alloy Tube 4130 Chromoly Seamless Steel Pipe 42CrMo4 1020 1045 5120 5140, We, with open up arms, invite all intrigued prospective buyers to visit our web page or get in touch with us specifically for additional info.
Best quality Steel Seamless Pipes and Steel Seamless Tube, We adopted technique and quality system management, based on “customer orientated, reputation first, mutual benefit, develop with joint efforts”, welcome friends to communicate and cooperate from all over the world.
