As a trusted manufacturer and factory in China, Ningbo Huali Steel Co., Ltd focus in the field of 420 cold rolled precision stainless steel coil for 20 years. You can find various grades in our factory, like 304, 301, 321, 310s, 304L, 316L, 410s, 430, 904L and FeCral alloy, Titanium.
Why choose us? Factory price, high-quality material, fast delivery, professional quality inspection team, timely responsive after-sales service. Your most reliable supplier in China, Ningbo Huali Steel Co., Ltd.
The 420 cold rolled precision stainless steel coil is a martensitic stainless steel with a high carbon grade. SUS 420 in Japanese standard, EN1.4028 in European standard, AISI 420 in American standard. Under hardened conditions, it has certain wear resistance and corrosion resistance, and has high hardness. It is suitable for various precision machinery, bearings, electrical, equipment, instruments, meters, transportation vehicles, household appliances, as well as food tableware, stainless steel hospital equipment, etc.
| GRADE | Chemical Composition | ||||||
| C | Si | Mn | P | S | Ni | Cr | |
| % | % | % | % | % | % | % | |
| 420 | 0.16/0.25 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | ≤0.75 | 12.0/14.0 |
420 cold rolled precision stainless steel coil has high hardness, high strength and other characteristics. The mechanical properties are as follows:
Tensile strength σb (MPa): quenching and tempering, ≥635
Conditional yield strength σ0. 2 (MPa): quenching and tempering, ≥440
Elongation δ5 (%): quenching and tempering, ≥20
Sectional shrinkage ψ (%): quenching and tempering, ≥50
Impact work Akv (J): quenching and tempering, ≥63
Hardness: Annealing, ≤223HB; quenching and tempering, ≥192HB
420 cold rolled precision stainless steel coil is suitable for various precision machinery, bearings, electrical, equipment, instruments, meters, transportation vehicles, household appliances, as well as food tableware, stainless steel scrapers, stainless steel hospital equipment, etc.
Ningbo Huali Steel has introduced advanced machinery from abroad, equipping its production lines with top-tier manufacturing equipment.
The American imported twenty series Sendzimir high precision reversible mill is capable of speeds up to 650 m/min, with automatic series proportioning, and is equipped with an AGC automatic downward deflection correction system that ensures that overall tolerances are maintained to within ± 0. 002 mm.
Our production technology can make the 420 cold rolled precision stainless steel coil absolutely flat, making the finished product less likely to bend or deform.
As for packaging, we offer standard packaging (waterproof paper and steel belt packing) and wooden box packaging, as well as customized packaging solutions tailored to our clients' specific requirements.
Our dedicated loading team ensures meticulous handling of every shipment. Each container is securely reinforced with wood and wire rope to guarantee that your goods (420 cold rolled precision stainless steel coil) arrive in safe condition.
