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Designation by standards

Brand name din en aisi
Better s2-10-1-8hs2-9-1-8m42

Chemical composition (in weight %)
C si mn cr mo niv w others
1.10max. 0.70max. 0.404.009.50-1.101.55co: 8.00

Description
Capable of very high hardness values, this is a moly type high speed tool steel. The alloy has excellent hot hardness and wear resistance and is commonly employed to machine difficult to machine materials including the superalloys.

Applications
Typically employed to machine the superalloys and exotic, m42 is employed in drills, hobs, taps, end mills, milling cutters, form and gear cutters, broaches and chasers.
Physical properties (avarage values) at ambient temperature

Density [g/cm3]: 8.01
Thermal conductivity [w/m.K]: 19.0
Coefficient of linear thermal expansion 10-6 oc-1
20-100oc20-200oc20-300oc20-400oc20-500oc20-600oc20-700oc20-800oc
9.810.811.111.611.912.212.512.6

Soft annealing
Heat to 820-880oc, cool slowly in furnace. This will produce a maximum brinell hardness of 230-300.

Stress relieving
Stress relieving to remove machining stresses should be carried out by heating to 650oc, holding for one hour at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.

Hardening
Heat up to 450-600oc, then preheat to 850oc, and to 1050oc. Harden from a temperature of 1160-1210oc followed by oil, air quenching or warm bath 550oc. Hardness after quenching is 66-68 hrc.

Transformation temperatures: ac1=780oc , ac3=855oc.
Tempering temperature (oc) vs. Hardness (hrc)
200oc300oc400oc500oc520oc540oc560oc580oc600oc650oc700oc
62.56161.566.568686765.5645042

Tempering diagram
Click the image to enlarge the diagram.Forging
Hot forming temperature: 1095-982oc.

Machinability
Rated at 45% of a 1% carbon steel, the alloy, in its annealed condition, can be turned, drilled, tapped, milled, broached and threaded.

Specifications

Steel grade: din 1.2344

Standard: aisi, astm, bs, din, gb

Dimensions: diameter from 10mm to 600mm

Place of origin:hubei, china (mainland)

Brand name: better

Model number: din 1.2344 z
Z
Technique: forged

Application: tool steel bar

Alloy or not: is alloyspecial

Use: mold steel

Type: alloy steel bar

Delivery condition::hot rolled/forged, annealedsurface

Condition::black surface, polished surface, turned/machined

Surfacetolerance::-0/+2.0mm(for turned surface), -0/+5.0mm(for black surface)

Length::2.0m to 6.5mhardness::less than 235hb

Packaging & deliverypackaging details:packed with plastic film, seaworthing packing, others according to customers' requirements

Delivery detail:45-60 days

Chemical name:(acetylacetonato)(1, 5-cyclooctadiene)iridium(i)synonyms:iridium, (1, 5-cyclooctadiene)(2, 4-pentanedionato)- (8ci); iridium, (2, 4-pentanedionato)(1, 5-cyclooctadiene)- (7ci); iridium, [(1, 2, 5, 6-h)-1, 5-cyclooctadiene](2, 4-pentanedionato-o, o')-;iridium, [(1, 2, 5, 6-h)-1, 5-cyclooctadiene](2, 4-pentanedionato-ko, ko')- (9ci); 1, 5-cyclooctadiene, iridium complex;(acetylacetonato)(1, 5-cyclooctadiene)iridiumcas number:12154-84-6molecular formula:c13h19iro2molecular weight:399.51mdl number:mfcd08273779

Chemical name:(r)-dm-binap rucl2 (r, r)-dpen
Synonyms:dichloro[(r)?2, 2??bis[di(3, 5?xylyl)phosphino]?1, 1??binaphthyl][(1r, 2r)?1, 2?diphenylethylenediamine]ruthenium(ii)
Cas number:220114-38-5
Molecular formula:c66h64cl2n2p2ru
Molecular weight:1119.17
Mdl number:mfcd09753028

Chemical name:(r)-rucl[(p-cymene)(t-binap)]cl
Synonyms:(r)-rucl[(p-cymene)(t-binap)]cl
Cas number:1034001-51-8
Molecular formula:c58h54cl2p2ru
Molecular weight:984.99

Chemical name:(r)-rucl[(p-cymene)(t-binap)]cl
Synonyms:chloro[(r)-(+)-2, 2bis(di-p-tolylphosphino)-1, 1binaphthyl](p-cymene)ruthenium(ii) chloride
Cas number:131614-43-2
Molecular formula:c58h54cl2p2ru
Molecular weight:984.97
Mdl number:mfcd09753014

Chemical name:(s)-rucl[(benzene)(binap)]cl
Synonyms:[(s)-binap rucl benzene]cl
Cas number:126251-92-1
Molecular formula:c50h38p2rucl2
Molecular weight:872.80
Mdl number:mfcd22419153

Chemical name:(r)-rucl[(benzene)(binap)]cl
Synonyms:[(r)-binap rucl benzene]cl, dichloro(benzene)[(r)-2, 2'-bis(diphenylphosphino)-1, 1'-binaphthyl]ruthenium(ii)
Cas number:124069-39-2
Molecular formula:c50h38p2rucl2

Chemical name:(r)-rucl[(p-cymene)(dm-binap)]cl
Synonyms:chloro[(r)(+)2, 2bis(di(3, 5xylyl)phosphino)1, 1binaphthyl](pcymene)ruthenium(ii) chloride
Cas number:944451-24-5
Molecular formula:c62h62cl2p2ru
Molecular weight:1041.08
Mdl number:mfcd09753015

Chemical name:(r)­(+)­2, 2'­bis(diphenylphosphino)­1, 1'­ binaphthalenechloro(p­cymene)ruthenium chloride
Cas number:130004­-33-­0
Molecular formula:c54h46cl2p2ru
Molecular weight:928.87

Chemical name:(s)-dm-binap rucl2 (s, s)-dpen
Synonyms:dichloro[(s)-2, 2'-bis[di(3, 5-xylyl)phosphino]-1, 1'-binaphthyl][(s, s)-1, 2-diphenylethylenediamine]ruthenium(ii)
Cas number:220114-03-4
Molecular formula:c66h64n2p2ru cl2
Molecular weight:1119.17
Mdl number:mfcd09753030

Chemical name:(s)-rucl[(p-cymene)(dm-binap)]cl
Synonyms:chloro{(s)-(-)-2, 2'-bis[di(3, 5-xylyl)phosphino]-1, 1'-binaphthyl}(p-cymene)ruthenium(ii) chloride [rucl(p-cymene)((s)-xylbinap)]cl
Cas number:944451-25-6
Molecular formula:c62h62cl2p2ru
Molecular weight:1041.10
Mdl number:mfcd09753015

About shunlong
Shunlong was founded in 1996, but dedicates to hardware accessories for over 30 years.As an experienced large-scale manufacturerwith professional workersof hardware, we are proficient in designing and producing hardware accessories with high quality and competitive prices.

Company information:
Lamowe industrial co., ltd. Is one of the largest specialist in hardware producing handle, hook lock, hinge, cam handle, window opener, glass door clamp, glass partition, bathroom clamp, bathroom knob, glass door lock, floor spring and so on in china. It is formed in 2001 and dedicated to developing and manufacturing kinds of window & door hardware and accessories.
Enterprise goal: to keep a good reputation for excellent products (handle, hook lock, hinge, cam handle, window opener, glass door clamp, glass partition, bathroom clamp, bathroom knob, glass door lock, floor spring) which satisfy the needs of a rapidly developing market. To keep offering comprehensive ranges of hardware accessories in china. And we are striving to be the most reliable supplier of complete solution for hardware accessories products in china.

z

1.2550 round bars:

2.Diameter:10mm~800mm

3.Delivery Conditon:annealed, black/turned surface

Chemical Composition(%)
C Si Mn P S Cr V W
0.55-0.650.50-0.700.15-0.45 â?¤0.030 â?¤0.030 0.90-1.20 0.10-0.201.80-2.10

Specialty
High charcoal and chromium tool steel, have high penetration, small distortion, high rigidity, good endurance.

Use
1.Cold pressing mold extrusion with low pressing and burden, imprint mold, cold cutting scissor

Heat Treatment
1.Quench: 950-980`C cold oil(need re-preheat~500`C-850`C)HRCâ?¥60
2.Eliminate stress, stabilize framework tempering, (180-200`C)â?¥2 hours HRC60-62
3.If it is necessary, it could be changed into 320-350`Câ?¥2 hours backfire HRCâ?¥60-62
4.Annealing: 780-800`C slow cooling

Melting Process
1. EAF: Electric Furnace+LF+VD(Optional)
2. ESR: Electric Furnace+LF+VD+Eleroslag Remelted(Optional)

UT Class
According to Standard of SEP 1921/84,100% Volume, Level C/c, D/d or E/e
Tolerance on Quantity
+/-10% Per Size


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Detailed

1. Weight: About 25kg
2. Purity:99.97%-99.99%
PaymentsT/T

Our Advantage:

1. High Quality and Low Price
2. Large Stock
3. Fast Delivery
4. Long-term Supply
5. With CCIC&CIQ Approved

Packaging: Bundled with steel bands, Pallet, Container, Standard export seaworthy package,suit for all kinds of transport.

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Quick details

Condition:new
Place of origin:henan, china (mainland)
Brand name:jinrui
Model number:mw5 mw84
Dimension(l*w*h):customised
Certification:gost ce iso sgs
Warranty:1 year
After-sales service provided:engineers available to service machinery overseas
Application:powerful electromagnet
Color:as you required
Power:3.3-33.9kw
Description:lifting equipment electromagnetic chuck for sale
Capacity:0.5-30ton
Weight:100-3000 kg
Rated voltage:dc-220v
Duty cycle:td-60%
Diameter:700-2400mm
Conductor:aluminu

m or copper

Gate valve specification:
Body material: brass
End connection:thread
Thread size:1/2"-2"
Our logo:TOPFLOW
Handle material:iron


v

tungsten steel material has its charactor, fragile
and we can process the hold grinding, with well-packed parcel, the goods was safely delivered to clients, and for this order, the client offer the material, we only do the hole grinding job

Tantalum strip
Material:RO5200, RO5400
Purity : 99.95%min or 99.99%min
Size: thickness(0.025mm-0.8mm)*Widthï¼?40mm-300mm)*L(in coil)
Application: Mainly used for punching, used for production of tantalum capacitor shell, tantalum sintering plate
Main Item / Productï¼?titanium foil/titanium bar/Titanium tubetitanium fastener/Zirconium sheet/Zirconium tube/Zirconium bar/Tungsten plate/Tungsten Bar/Tungsten fastener/Molybdenum sheet/Molybdenum rods/molybdenum wire/Tantalum sheet/Tantalum strip/Tantalum rod/Tantalum wire/Tantalum tube/Niobium sheet/Niobium foil/Niobium tube/Niobium bar /Niobium wire/Cobalt wire/Cobalt rod/ Cobalt plate/Evaporation Pellets & Pieces/Crucibles/Pure metal and metal alloy sputtering target material

Tantalum rod Tantalum bar
Material:RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W)
Purity: >=99.95% or 99.99%
Available size:Ï?3mm-100mm
Standard: ASTM B 365-98
Application: tantalum parts processing used in the semiconductor industry, high temperature materials, anti-corrosion industry, electronic industry, etc
Main Item / Productï¼?titanium foil/titanium bar/Titanium tubetitanium fastener/Zirconium sheet/Zirconium tube/Zirconium bar/Tungsten plate/Tungsten Bar/Tungsten fastener/Molybdenum sheet/Molybdenum rods/molybdenum wire/Tantalum sheet/Tantalum strip/Tantalum rod/Tantalum wire/Tantalum tube/Niobium sheet/Niobium foil/Niobium tube/Niobium bar /Niobium wire/Cobalt wire/Cobalt rod/ Cobalt plate/Evaporation Pellets & Pieces/Crucibles/Pure metal and metal alloy sputtering target material