coal mining bit
mining bits small parts
bit coupling, bit seat
dolly socket, auger bit
coal mining bits kennametal bits
professional productions base of series of shield cutters,TBM cutters,auger bits,mining picks,anflats picks,holder and rock drilling tools ect. we also can make it according to Kennametal Code, Betek Code, Sandvik Code. Or we produce the products according to your samples or drawings.
Our products include all kinds of round cutter bit and flat cutter bits for excavate coal machine as the replacements of kennametal. Such as U76, U82, U84, U85, U92, U94, U95, U118 ,B47K17H, B47K19H, B47K22H, B43K, B43H, BHR73 etc and coal bolting bit and coal bolting rod.
Steel hex bar
Material:1020 1045 4130 4140 (carbon & crmo alloy)
Size: S5-S80
Legth 5-7 7-8 can be customized
Shape: hex,octa,squa
hex bar cold drawn steel bar
Material:1020 1045 4130 4140 (carbon steel & crmo alloy steel)
Size: S5-S80
Length 5-7 7-8 can be customized
Application: aviation, automo, standard parts, machine tool, agricultural machinery
steel hex shaft
tool steel hex bar
hex hollow steel
Material: caron steel crmo alloy steel (4130 steel 4140 steel)
Cold drawn solid bar, hex bar, steel bar available.
Many application:
Coal mining precision parts,drill rod, drill steel, drill shaft, drilling tubing etc
Mechanical processing provided. forgeing, tappling, cut to length etc.
Section:
Hex tube. hex tubing,square, rectangular,star,lemon ,triganle ,oval etc
Application For mechanical engineering.For mechanical and pressure use,and also for transporting steam,water,gas and etc.
Size(mm): O.D.: 20-180 W.T.: 2-30L: max-12000Grade and Chemical Composition (%)
|
Grade |
C |
Mn |
P≤ |
S≤ |
Si |
Cr |
Mo |
|
1008 |
≤0.10 |
- |
- |
- |
|||
|
1010 |
- |
- |
- |
||||
|
1018 |
- |
- |
- |
||||
|
1020 |
- |
- |
- |
||||
|
1025 |
- |
- |
- |
||||
|
1026 |
- |
- |
- |
||||
|
4130 |
|||||||
|
4140 |
Mechanical Properties
|
Grade |
Condition |
MPa Tenslle Point |
Yield Point |
Elongation |
|
1020 |
CW |
≥414 |
≥483 |
≥5% |
|
SR |
≥345 |
≥448 |
≥10% |
|
|
A |
≥193 |
≥331 |
≥30% |
|
|
N |
≥234 |
≥379 |
≥22% |
|
|
1025 |
CW |
≥448 |
≥517 |
≥5% |
|
SR |
≥379 |
≥483 |
≥8% |
|
|
A |
≥207 |
≥365 |
≥25% |
|
|
N |
≥248 |
≥379 |
≥22% |
|
|
4130 |
SR |
≥586 |
≥724 |
≥10% |
|
A |
≥379 |
≥517 |
≥30% |
|
|
N |
≥414 |
≥621 |
≥20% |
|
|
4140 |
SR |
≥689 |
≥855 |
≥10% |
|
A |
≥414 |
≥552 |
≥25% |
|
|
N |
≥621 |
≥855 |
≥20% |
4140 / 4130 Seamless Mechanical Tubing are medium carbon alloy grades, which are widely used for many general purpose applications that require high tensile strength and toughness. The addition of chromium and molybdenum as alloying elements, combined with heat treatment, provides the combined advantage of hardness, ductility, and strength.4140 Meets ASTM A5194130 Meets ASTM A513 Type 5(DOM) A519 (CDS)Cut to Length available
Benefits of Round 4140/4130 Alloy Seamless Mechanical TubingSuperior tensile strength and toughnessHigh strength to weight ratioEasily heat treatable to a broad range of strength, machinability, and hardness.
Applications: aircraft components, hydraulic cylinders, rollers, structural apps, truck and automotive parts.
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