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34CrMo4 42CrMo4 42CrMo Cold Rolled Seamless Alloy Steel Pipe Grades
CHEMICAL COMPOSITION(%) | ||||||||||
Steel Grade | C% | Mn% | Si% | S% | P% | V% | Ni% | Cr% | Mo% | Cu% |
CK45 | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 | / | ≤0.25 | ≤0.25 | / | ≤0.25 |
ST52 | ≤0.22 | ≤1.6 | ≤0.55 | ≤0.04 | ≤0.04 | 0.02-0.15 | / | / | / | / |
20MnV6 | 0.17-0.24 | 1.30-1.70 | 0.10-0.50 | ≤0.035 | ≤0.035 | 0.10-0.20 | ≤0.30 | ≤0.30 | / | ≤0.30 |
42CrMo4 | 0.38-0.45 | 0.5-0.8 | 0.17-0.37 | ≤0.035 | ≤0.035 | 0.07-0.12 | ≤0.03 | 0.90-1.20 | 0.15-0.25 | ≤0.03 |
40Cr | 0.37-0.45 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 | / | ≤0.30 | 0.80-1.1 | / | ≤0.03 |
MECHANICAL PROPERTIES | ||||||||||
Material | Tensile Strength Rm (Mpa) | Yield Strength Rel (Mpa) | Elogation A% | CHARPY | CONDITION | |||||
CK45 | 610 | 355 | 15 | >41J | Normalized | |||||
CK45 | 800 | 540 | 20 | >41J | Q+T | |||||
ST52 | 500 | 355 | 22 | Normalized | ||||||
20MnV6 | 750 | 590 | 12 | >41J | Normalized | |||||
42CrMo4 | 980 | 850 | 14 | >47J | Q+T | |||||
40Cr | 1000 | 800 | 10 | Q+T |
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 and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.
RFQ
A: A professional steel pipes materials inventor, manufacturer and solution provider
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us