NINGBO HONG-STEEL CO.,LTD
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301 grade 1.0 thickness hardness Cold Rolled Stainless Steel Ss Strip
1. WHAT IS TYPE 301 STAINLESS STEEL?
Type 301 is a chromium nickel austenitic stainless steel capable of attaining high strengths and ductility by cold working. It is not hardenable by heat treatment. Type 301 is non-magnetic in the annealed condition and becomes increasingly magnetic with cold working. This chromium nickel stainless steel alloy provides high strength and good ductility when cold worked. 301 stainless steel is a modification of stainless steel grade 304 with lower chromium and nickel to increase the work hardening range. Type 301 steel exhibits corrosion resistance comparable to type 302 and 304. In the cold worked and annealed condition, type 301 achieves its most optimal resistance to corrosion. It is preferable over types 302 and 304 in the tempered condition because the higher enlongations (which are attainable at a given strength level) facilitate fabrication.
2. Specifications about stainless steel coil/sheet
| Grade | 201,202,304,304L,316,316L,310S,309S,321,301,310,410,420,430,904L | ||||||||||||
| Brand | TISCO ,BAOSTEEL, POSCO, JISCO, LISCO | ||||||||||||
| Certification | SGS, BV,IQI,TUV,ISO,etc | ||||||||||||
| Thickness | 0.2mm-150mm | ||||||||||||
| Width | 1000,1219,1250,1500 mm , or as your requirements | ||||||||||||
| Length | 2000,2438,2500,3000,6000 mm , or as your requirements | ||||||||||||
| Standard | ASTM, AISI, SUS, JIS, EN, DIN,GB, ASME, etc | ||||||||||||
| Delivery time | 5-7 days after confirming the order | ||||||||||||
| MOQ | 15 Ton | ||||||||||||
3. Chemical Composition about stainless steel coil/sheet
| Classification | Grade | Main Chemical Compositon | |||||||||||
| C | Si | Mn | P | S | Ni | Cr | other | ||||||
| AUSTENITE | 301 | 0.15 | 1.00 | 2.00 | 0.045 | 0.03 | 6.00-8.00 | 16.0-18.0 | |||||
| 301L | 0.03 | 1.00 | 2.00 | 0.045 | 0.03 | 6.00-8.00 | 16.0-18.0 | N≤0.20 | |||||
| 304 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 8.00-10.5 | 18.00-20.00 | ||||||
| 304L | 0.03 | 1.00 | 2.00 | 0.045 | 0.03 | 9.00-13.0 | 18.00-20.00 | ||||||
| 316 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 10.0-14.0 | 16.00-18.00 | Mo 2.0-3.0 | |||||
| 316L | 0.03 | 1.00 | 2.00 | 0.040 | 0.03 | 12.0-15.0 | 16.00-18.00 | Mo 2.0-3.0 | |||||
| 321 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 9.0-13.0 | 17.00-19.00 | Ti5XC%↑ | |||||
4. Available Size Range by Grade and Surface Finish(Unit:mm)
| No. | Width Thickness | 300 Series | 400 Series | ||||||||||
| 2D | 2B | NO3 | NO4 | HL | BA | 2D | 2B | NO3 | NO4 | HL | BA | ||
| 1 | 0.3≤t≤0.5 | Consultative Range | Consultative Range | ||||||||||
| 2 | 0.5≤t≤0.7 | ||||||||||||
| 3 | 0.7≤t≤0.9 | Available Range | Available Range | ||||||||||
| 4 | 0.9≤t≤1.1 | ||||||||||||
| 5 | 1.1≤t≤1.3 | ||||||||||||
| 6 | 1.3≤t≤1.7 | ||||||||||||
| 7 | 1.7≤t≤2.0 | ||||||||||||
| 8 | 2.0≤t≤3.0 | ||||||||||||
5. Surface Finish and Application area
| Surface Finish | Characteristics and application | ||||||||||||
| NO.1 | Hot-rolled surface,annealed and pickled,can be used as cold-rolling material,industrial tanks and chemical devices. | ||||||||||||
| NO.2D | Colled-rolled,annealed and pickled without skinpass,the dull products can be used as automobile parts,building material and pipes. | ||||||||||||
| NO.2B | The suiface brightness and flatness of NO2B is better than NO2D.Then through a special surface treatment to improve its mechanical properties,No2B could nearly satisfy comprehensive uses. | ||||||||||||
| NO.3 | Polished with abrasive belt of grit#100-#120,have better brightness with discontinuous coarse stia,used as inner and external ornaments for building,electrical applicances and kitchen utensils etc. | ||||||||||||
| NO.4 | Polished with abrasive belt of grit #150-#180,have better brightness with discontinuous coarse stria,but thinner than NO3,are used as bathtub building's inner and external ornaments electrical appliances,kitchen utendils and food processing equipment etc. | ||||||||||||
| #320 | Polished with abrasive belt of grif #320,have better brightness with discontionous coarse stria,thinner than NO4,are used for bathtub,buildings inner and external ornaments,eletircal appliances,kitchen utensiles,food processing equipment etc. | ||||||||||||
| HL | Polished with abrasive belt of grit #150-#320 on the NO4 finish and has continuous streaks,mainly used as building's ornaments,elevators,door of building,frontal plate etc. | ||||||||||||
| BA | Cold rolled,bright annealed and skin-passed,the product have excellent brightness and good reflesivity like mirror,used for eletircal appliances, mirror,kitchen apparatus,ornament materials etc. | ||||||||||||
| Emboss | Provided with irregularities on one side by cold rolling(both sides can be embossed),mainly used us building's ornaments,elebators,door of building,frontal plate etc. | ||||||||||||
6. SIZE AND TOLERANCE
1) Tolerance on Thickness(mm):The thickness is measured at any point located more than 25 mm from the edges in the case of mill edges and at any point located more than 15 mm from the edges in case of slit edges.
| No. | Thickness | Width | |||||||||||
| W<1250 | 1250≤W<1600 | ||||||||||||
| 1 | 0.2≤t<0.25 | ±0.03 | — | ||||||||||
| 2 | 0.25≤t<0.30 | ±0.04 | — | ||||||||||
| 3 | 0.30≤t<0.60 | ±0.05 | ±0.08 | ||||||||||
| 4 | 0.60≤t<0.80 | ±0.07 | ±0.09 | ||||||||||
| 5 | 0.80≤t<1.00 | ±0.09 | ±0.10 | ||||||||||
| 6 | 1.00≤t<1.25 | ±0.10 | ±0.12 | ||||||||||
| 7 | 1.25≤t<1.60 | ±0.12 | ±0.15 | ||||||||||
| 8 | 1.6≤t<2.00 | ±0.15 | ±0.17 | ||||||||||
| 9 | 2.00≤t<2.50 | ±0.17 | ±0.22 | ||||||||||
| 10 | 2.50≤t<3.15 | ±0.22 | ±0.25 | ||||||||||
| 11 | 3.15≤t<4.00 | ±0.25 | ±0.30 | ||||||||||
| 12 | 4.00≤t<5.00 | ±0.35 | ±0.40 | ||||||||||
| 13 | 5.00≤t＜6.00 | ±0.40 | ±0.45 | ||||||||||
| 14 | t=6.0 | ±0.50 | ±0.50 | ||||||||||
2) Tolerance on width (mm)
Width(650≤W<2400):0~+5
3) Tolerance on length(mm)
Length(1000≤L≤3500):0~+10
Length(1000≤L≤3500):0~+15
4) Tolerance on flatness
| Width | Length | Flatness | |||||||||||
| W≤1000 | L≤2000 | ≤15 | |||||||||||
| W≤1000 | L>2000 | ≤20 | |||||||||||
| W>1000 | L≤2000 | ≤20 | |||||||||||
| W>1000 | L>2000 | ≤20 | |||||||||||
The above allowable deviation can be customized according to the customer's personalized requirements.
7. APPLICATION
| Series | Grade | Characteristic | main applications | ||||||||||
| Austenite | High tensile strength | 301 | The content of Cr and Ni is lower than 304,its strength and hardness can be increased by cold rolling ,with certain magnetism | Trains ,aviation industry ,and springs | |||||||||
| Austenite | High tensile strength | 301B | |||||||||||
| Austenite | High tensile strength | 301S | |||||||||||
| Austenite | High tensile strength | 301L | Improving the intergranular corrosion resistance performance by decreasing the C content based on 301 ,and adding N element to offset the impact of declined C content | Trains ,aviation industry ,and springs | |||||||||
8. PACKAGE AND SHIPMENT
| Item/Mode of packing | Simple packing | General packing | Special packing | |||||||||||
| Unit weight(mt) | Plate | Normal:1.5-3.5 Maximum:5.0 | ||||||||||||
| Coil | Normal:4.0-7.0 Maximum:22.0 | Normal:4.0-7.0 Maximum:8.0 | ||||||||||||
| Dimension(mm) | Plate | Width *Length=(650-1320)*(1000-4000) | ||||||||||||
| Coil | Inner diameter:508(normal)or 610 | |||||||||||||
| Recommendations | Applicable to direct customers located close to hong-steel (Jiangsu, Zhejiang and Shanghai ) | Applicable to most domestic customers | Applicable to exportation and to domestic customers with special requirements | |||||||||||
| Characteristics | Not applicable to long distance transportation, Avoid frequent transportation, Do not expose to outdoor ,Do not lift with steel cable directly ,Not appropriate to high quality product like BA, Lower packing cost | Do not expose to outdoor ,Better protection for products ,Lower requirement for loading ,Unloading and transportation .Appropriate to all types of surface finish product ,Lower packing cost | Better protection for products ,Lower requirement for loading ,Unloading and transportation ,Appropriate to all types of surface finish product ,Higher packing cost ,Difficult to pack and low efficiency | |||||||||||