1.DIN Standard 904L 430 420j2 420j1 410 409L 409 320g Satin Hairline Surface 5mm Length Tolerance Ess Origin 4mm 9mm Thickness Dp11 Stainless Seamless Steel Pipe
Stainless steel has certain acid resistance, alkali resistance, high density, polishing no bubbles, no pinhole, and other characteristics, is the production of all kinds of watch cases, and watchband bottom cover quality materials. Mainly used for decorative pipe industrial pipe, and some shallow stretching products.
| Common parameters | |
| OD | 6.0mm-1130mm |
| Thickness | 0.3mm-100mm |
| Length | 6M or as customized request |
| Tolerance | 1) Outer Diameter: ±0.2mm |
| 2) Thickness: ±0.02mm | |
| 3) Length: ±5mm | |
| Material | 201,202,301,304,304L,304H,316,316L316H,316Ti,317L,321,309S,310S, 409,409L,410,420J1,420J2,430,904L,2507,2205,M-400,600,etc. |
| Shape | Round, Square, Rectangular |
| Standard | GB,ASTM,AISI,DIN,JIS,EN |
| Origin | TISCO,JISCO,POSCO,ESS,BAO STEEL |
2.chemical composition
| Chemical Composition of Material | Material Composition |
201 | 202 | 304 | 316L | 430 |
| C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.035 | ≤0.12 | |
| Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | |
| Mn | 5.5-7.5 | 7.5-10 | ≤2.00 | ≤2.00 | ≤1.00 | |
| P | ≤0.06 | ≤0.06 | ≤0.045 | ≤0.045 | ≤0.040 | |
| S | ≤0.03 | ≤0.03 | ≤0.030 | ≤0.030 | ≤0.030 | |
| Cr | 13-15 | 14-17 | 18-20 | 16-18 | 16-18 | |
| Ni | 0.7-1.1 | 3.5-4.5 | 8-10.5 | 10-14 | ||
| Mo | 2.0-3.0 |
3.product show
4.mechanical property
| Mechanical Property | Material Item | 201 | 202 | 304 | 316 | |
| Tensile Strength | ≥535 | ≥520 | ≥520 | ≥520 | ||
| Yield Strength | ≥245 | ≥205 | ≥205 | ≥205 | ||
| Extension | ≥30% | ≥30% | ≥35% | ≥35% | ||
| Hardness (HV) | <105 | <100 | <90 | <90 | ||
