Free cutting steel bar 1214 steel round bar,12L14 steel round bar,1215 steel round bar,12L15 steel round bar,11SMnPb steel round bar SHANDONG LE REN SPECIAL STEEL CO., LTD. , https://www.sdbrightsteelbar.com
Specification:
45/90, 45/100, 50/105, 51/105, 55/110, 55/120, 58/124, 60/125, 65/120, 65/132, 68/143, 70/135, 70/140, 75/150, 80/143, 80/156, 92/188
The above are standard specifications, we can customize according to customers' requirements.
The compression ratio of screws can be designed according to different products and ingredients.
Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)
4)9Cr18MOV
5)HPT
Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide
Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: ≥ 950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm
Warranty and service: 1 year
Focus on quality and service.
Experienced manufacturer, we will be the best choice.
Products Application:
1)General Plastics, PVC
2)Material compounds CACO3, glass fiber, recycle materials, stabilizer
3)ABS,TPR,TPU,PMMA,C-PVC,UPVC,RPVC,PET,EVA,PU etc
4)Scrap and waste plastic and PVC recycling
5)Modified engineering plastics
Terms and Conditions:
Means of transport:Â Ocean,Air,Express
Production time:Â About 20-30 days after we receive the advanced payment
Production Process:
Receiving orders -Â Designing & Drawing confirmation - Blanking Thermal refining - Heat treatment - Rough Turning - Polishing - Drilling for barrel - Semi Finishing Machining - Bimetallic welding - Centrifugal casting for barrel - Polishing - Nitriding treatment(120 hours) or High frequency quenching - Â Hard-chrome plating - O.D. Grinding - Honing for barrel - Alignment - Polishing - Inspecting - Packing &Â ShippingÂ
ZY SCREW's advantage:
First-class designing and researching team;
High quality and durable products of screw barrel;
Most professional sales who can serve for you timely;
Best customer service especially after-sale service;Â
Powerful company's strength support long-term cooperation.
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Welcome to contact us, Camille will reply you timely!
TypeModel
Hardness
(HRC)Wear resistant
Corrosion resistant
Thickness
Application
Glass Fiber
PTA weld
J1 38CrMoAlA
Ni-base alloy45-58
Excellent
Special excellent
1.5~3mm
Under 10%
J2 SKD61
Ni-base alloy45-58
Special excellent
Excellent
1.5~3mm
Under 15%
Nitriding
J3 Nitrided
HV more than 800
Good
Good
0.25mm
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