SHANDONG LE REN SPECIAL STEEL CO., LTD.
$800≥10Metric Ton
| Payment Type: | L/C,T/T,D/P,Paypal |
| Incoterm: | FOB,CFR,CIF,EXW,FCA,CPT,CIP |
| Min. Order: | 10 Metric Ton |
| Transportation: | Ocean,Land,Air |
| Port: | Qingdao Port |
Model No.: SCr440
Brand: LE REN
Usage: Mining
Type: Seamless
Technique: Cold Rolled
Material: Alloy Steel
Surface Treatment: Oiled
Section Shape: Round
STEEL GRADE: SCr440
| Selling Units | : | Metric Ton |
| Package Type | : | Anti-rusty standard seaworthy |
SCr440 quenched and tempered steel tube
SCr440 quenched and tempered steel tube is used extensively in applications for automotive industry, Hydraulic, Mining and oil and gas drilling industry. SCr440 Q&T tubes include SCr440 Q&T seamless steel pipes and SCr440 Q&T drilling hollow bars.
Heat Treated Steel Tube we produce are Round Steel Tubing such as annealed tubing, normalized tubing and quenched & tempered steel tubing, Heat Treated Steel Bar And Tube, round steel tubing.
SCr440 Q&T steel tube we supply includes following advantages:
Consistent mechanical properties
Even thickness on the whole bars
Deep mechanical properties
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
Specification of SCr440 steel tube we supply:
| Sizes | OD range from 20mm to 100mm, Thickess: from 4mm to 20mm |
| Tolerances | Precision to h9, h10, h11 or even small to 0.02mm |
| Roundness | 75% of diameter tolerance |
| Straightness | Good straightness to 0.5mm/m |
| Surface roughness | Smooth to 0.8um |
| Mechanical properties | Yield strength and tensile strength can be improved |
| Machining | Suitable for machining and welding |
1. SCr440 steel equivalent material:
| GB | ASTM/SAE/AISI | DIN | SCM | AS /NZS1444 |
| 40Cr | Aisi 5140 / sae 5140 / astm 5140 | 41Cr4 | SCR440 | AS 5140 |
2. SCr440 steel chemical composition:
| Materail | Chemical Composition % | ||||||
| ASTM/SAE/AISI | C | Si | Mn | S | P | Cr | Mo |
| 41Cr4 | 0.38-0.43 | 0.15-0.35 | 0.50-0.90 | 0.035 max | 0.035 max | 0.80-1.10 | 0.030 max |
3. SCr440 quenched and tempered steel to iso grade 8.8 mechanical properties:
| Mechanical Properties | ||||
| Yield Strength (MPa) | Tensile Strength (MPa) | Elongation | Reduction of area | Hardness |
| 660 min | 830 min | 12% min | 54% min | 32HRC max |
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