Description
410 420 430 440 Stainless Steel Bar Rod
Profile
410 stainless steel bar belongs to martensite (high strength chrome steel), good wear resistance and poor corrosion resistance
420 stainless steel bar “cutting grade” martensitic steel, similar to the first stainless steel of Brinell high chromium steel. Also used for surgical knives, it can be done very brightly.
430 stainless steel bar ferritic stainless steel, for decoration, for example for car accessories. Good formability, but poor temperature resistance and corrosion resistance.
440—High-strength cutting tool steel with slightly higher carbon content. After proper heat treatment, it can obtain higher yield strength and hardness can reach 58HRC, which is among the hardest stainless steel. The most common application example is the “razor blade.” There are three commonly used models: 440A, 440B, 440C, and 440F (easy processing type).
Specification:
Standard: ASTM A276, A484, A564, A582, EN 10272, JIS4303, JIS G 431, JIS G 4311
DIA: 1—900MM
Tolerance: H5, H6, H8, H9, H10, H11
Length: 1—12M as buyer request
Surface: NO.1, 180G, 240G, 320G Satin / Hairline, 400G, 600G Mirror finish
Manufacturing process: Hot Rolled, Cold Drawn
Application: building material
Ship building
bolts and various mechanical parts,
manufacturing mechanical parts,
for seamless steel tube billets,
Construction
Certificate: ISO 9001:2008、PED、ASME、TS
| Material | UNS | EN | Chemical Component % | ||||||
| C | Mn | P | S | Si | Cr | Mo | |||
| 410 | S41000 | 1.4006 | ≤0.015 | ≤1.00 | ≤0.040 | ≤0.040 | ≤0.50 | 11.5-13.0 | |
| 420 | S42000 | 1.4021 | ≥0.15 | ≤1.00 | ≤0.040 | ≤0.040 | ≤1.00 | 12.0-14.0 | |
| 430 | S43000 | 1.4016 | ≤0.12 | ≤1.00 | ≤0.040 | ≤0.030 | ≤1.00 | 16.0-18.0 | |
| 440A | S44002 | 0.60-0.75 | ≤1.00 | ≤0.040 | ≤0.040 | ≤1.00 | 16.0-18.0 | 0.75 | |
| 440B | S44003 | 1.4112 | 0.75-1.95 | ≤1.00 | ≤0.040 | ≤0.030 | ≤1.00 | 16.0-18.0 | 0.75 |
| 440C | S44004 | 1.4125 | 0.95-1.20 | ≤1.00 | ≤0.040 | ≤0.030 | ≤1.00 | 16.0-18.0 | 0.75 |
| Material | UNS | EN | T*S | Y*S | Elongation | Hardnes |
| (Mpa) min | (Mpa) min | (%) | HRC min | |||
| 410 | S41000 | 1.4006 | 480 | 275 | 20 | 35 |
| 420 | S42000 | 1.4021 | ‘– | ‘– | ‘– | 50 |
| 430 | S43000 | 1.4016 | 415 | 207 | 20 | ‘– |
| 440A | S44002 | ‘– | ‘– | ‘– | 55 | |
| 440B | S44003 | 1.4112 | ‘– | ‘– | ‘– | 56 |
| 440C | S44004 | 1.4125 | ‘– | ‘– | ‘– | 58 |
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