Sichuan Liaofu Special Steel Company is one of the most experienced manufacturers and suppliers of 60si2mn spring steel solid round bar in China. With over 20 years' experience, our factory offer high quality products made in China with competitive price. Welcome to contact us for wholesale service.
Spring steel DIN 17221 60SiCr7 is a kind of pre-hardened material well suited for fabrication requiring shaping by blanking, bending, drawing, extrusion and swaging. Spring steel DIN 17221 60SiCr7 allows for closer dimensional tolerances and improved finish and available in several grades. Grade selection is important when considering higher levels of wear resistance.
DIN 17221 60SiCr7 spring steels are mainly used for the manufacture of railway rolling stock, cars and tractors on the leaf spring and coil spring, the safety valve spring, shock absorber on a variety of heavy machinery, instrument springs, friction plate.
Equivalent table of spring steel DIN 17221 60SiCr7 under different standard
TOCT 14959 | DIN 17221 | GB/T 1222 | NF A35-571 | ISO 683-14 | ASTM | JIS G4801 | |
A29M | A322 | ||||||
60C2T | 60SiCr7 | 60Si2Mn | 61SiCr7 | 59Si7 | 9260 | G92600 | SU P6 |
Spring steel DIN 17221 60SiCr7 chemical composition data:(% in mass)
C | Si | Mn | Cr | p | S | Ni | Cu |
0.56-0.64 | 1.50-2.00 | 0.60-0.90 | ≤0.35 | ≤0.035 | ≤0.035 | ≤0.35 | ≤0.25 |
Spring steel DIN 17221 60SiCr7 mechanical property and delivery condition.
Product Type | Delivery Condition | Mechanical property | Delivery Hardness | ||||
Rm | Rel | A11 | Z | Sample | |||
Hot rolled round bar/square bar | Hot rolled | ≥ | ≥ | ≥ | ≥ | Q+T | 321 |
Forged round bar/square bar | Hot rolled | ||||||
Hot rolled strips | Hot rolled | ||||||
Cold drawing round bar | Hot processing | 1270 | 1180 | 5 | 25 | - | - |
Hot rolled thin plate | Hot rolled | 950 | - | 12 | - | - | - |
Cold rolled steel strips | Y+T+QT | 785-1180 | Y | ||||
T=tempering;Q=quenching;QT=globurizing;Y=chilling | |||||||
Note:
listed in the table apex diameter (d), to steel thickness (a) multiples said.in the ASTM A6 standard specified scope can meet any additional conditions.
from the standard for 50 mm (2 in). Mechanical properties
Mechanische Eigenschaften Caracteristiques mecaniques
ReH Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d'elasticite minimale Rm Tensile strength / Zugfestigkeit / Resistance a la traction
A Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal J Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc
Round bar:
Diameter : 1mm-2000mm Square bar:
Size: 50mm * 50mm-600mm *600mm Plate steel/flat bar:
Size: Thickness: 0.1mm-800mm Width: 10mm to 1500mm Tube/pipe:
Size: OD: 6-219mm WT: 1-35 mm.
Cold-rolled sheet: Thickness: 2-5mm Width:1000mm Length: 2000mm Hot-rolled sheet: Thickness:6-80mm Width: 210-610mm
Length: We can supply any length based on the customer's requirement. Forging/hot rolling/ extrusion of steel.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirement.
UTS according to SEP 1921 C/c,D/d,E/e;A388 or GB/T 6402
Excellent service for all kinds of industries, with advantages of technologies, equipment and price. We serve you with our honesty, integrity.
FAQ
Q1: ARE YOU FACTORY OR TRADER?
A1: We are a manufacturer of special steel bars. We've gained our Export Right and become an integrated company of industry and trade in order to satisfy buyer's multi-request on different material and products.
Q2: WHICH MATERIAL/PRODUCTS YOU CAN PROVIDE?
A2: Mould Steel / Stainless Steel / Spring Steel / Tool Steel.
Q3: HOW TO GET A SAMPLE?
A3: FREE samples are available for your checking and testing. And to get free samples, you need to send us you detailed receiving address (including post code) and your DHL/FedEx/UPS account for collecting samples, courier cost will be paid in your side.
Q4: HOW TO VISIT YOUR FACTORY?
A4: Most of the main cities have flights to Chengdu; you can take flight to Chnegdu Tianfu International Airport.
If you come from Shanghai, it will take 2 hours by flight (every day 5 flights).
If you come from Hongkong, it will take 1 hour by flight (every day 1 flight around noon time).
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