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DIN WNr 41Cr4 / 1.7035 40Cr Diámetro 250-500 mm Barra redonda de acero forjado SCR440 Barra de aleación |
Datos del producto:
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Grado de acero: | Acero de aleación, 4140 /42crmo / | Aleación o no: | Es aleación |
---|---|---|---|
Técnica: | Fría dibujada | Tipo: | Barra de acero de aleación |
Estándar: | ASTM, ESTRUENDO | Forma: | Redondo |
Tratamiento superficial: | Negro/peladura/polaco/trabajado a máquina | Diámetro: | 12 mm a 650 mm |
Steel Grade | SAE4140 SCM440 42CrMo4+QT Alloy Steel Round Bar | |
Standard | SAE4140 SCM440 42CrMo4 | |
Diameter | 5.5-250 mm | |
Length | 3000mm-12000mm or as client's request | |
Straightness | 3mm/M max | |
Tolerance | +0.5mm/-0(dia),+5mm/-0(L) | |
MOQ | 5 tons | |
Heat treatment | Normalized / Annealed / Quenched / tempered | |
Surface | black,mill,polished,brush,etc | |
Test | Ultrasonic test according to SEP 1921-84 G3 C/c | |
Application | Widely used in construction industry for reinforcing concret(Express way; office building, Bridge etc) Trasportation By sea(20' 40' container), parts of larger cross-sections, crankshafts, gears. | |
Packaging | Export standard, seaworthy | |
Delivery time | 10-20 days after confirmed order | |
Container size | 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) | |
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) | ||
40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) | ||
Item Type | Diameter (MM) | Length |
Round Bar | 8-400 | 6/9/12m or follow client's requirment. |
Steel Wire Rod | 5.5-34 | Coil |
Steel Rebar | 5.5-40 | Cut to length or Coil |
Category | Grades | Sizes | Standard |
Carbon structure steel | Q195,Q215,Q235,Q275 | 16mm-250mm | GB/T700-2006 |
Low alloy high strength structure steel | Q295,Q345,Q390,Q420, Q460 | 16mm-250mm | GB/T1591-2008 |
Prime Carbon structure steel | 10#, 20#, 35#, 45#, 60#, 20Mn,65Mn,B2, B3,JM20, SH45,S45C,C45 | 16mm-250mm | GB/T699-1999 |
Alloy structure steel | 30Mn2,40Mn2,27SiMn, 42Crmo, 20Cc40Cr,20CrMo, 35CrMo,20CrMnTi, 30CrMnTi,20MnVB, 20MnTiBf 45MnV 20CrNiMo, Q345B, 35MnBM,40MnB,36Mn2V | 16mm-250mm | GB/T3077-1999 |
Spring Steel | 65Mn,60Si2Mn, 50CrVA | 16mm-250mm | GB/T1222-84 |
Bearing Steel | GCr15tGCr15GD,55SiMoV | 16mm-250mm | GB/T18254-2002 |
Structural steels subject to end-quench hardenability requirements | 20CrMnTi,30CrMnTi, 20Cr, 40Crf30CrMo,42CrMoA,27SiMn, 40Mn2H, 20CrNiMo, 40Mn2,q345b,35MnBM, 40MnB,45MnV. | 16mm-250mm | GB/T5216-2004 |
Oil wells structural steel | 37Mn5,36Mn2V | 16mm-250mm | Q/LYS248-2007 |
Marine anchor chain steel | CM490,CM690,M30Mn2 | 16mm-250mm | YB/T66-1987 GB/T18669-2002 |
Company Info:
We are specialized in production of steel tube for more than 18 years and have rich experience.
Our factories has professional technicians and engineers, professional testing equipment, rich experience in delivery.
We have more than 10 years of cooperative customers.We have four production bases.
For usual sizes,we have stock ,so we can make quick delivery.Guarantee the quality and quantity of products,
and guarantee the delivery time. The annual steel pipe production is 300000 tons
Production equipment&Testing Machine:
C | Si | Mn | S | P | Cr | Ni | Cu | Mo |
0.38~0.45% | 0.17~0.37% | 0.50~0.80% | ≤0.035% | ≤0.035% | 0.90~1.20% | ≤0.30% | ≤0.30% | 0.15~0.25% |
Q1: What's your terms of payment?
A: 30%T/T as the upfront deposit, 70% before delivery, We will show you the photos and package before you pay the balance.
Q2: What's the terms of delivery?
A: EXW, FOB, CFR, CIF
Q3: What's the terms of packing?
A: Generally,we pack our goods in bundles or coils with rods or belts, we could also pack the goods as the customers' requirement.
Q4: What's your delivery time?
A: For stocks, we could transport the goods to loading port within 7 work days after we received the deposit.For productionperiod, it usually takes about 15 days to 30 days after we received the deposit.
Q5: Could you produce according to the samples?
A: Yes, we can customer-made by your samples or technique drawings, we can build the mold and fixtures.
Q6: Could youprovide the compliment samples?
A: Yes, we could provide the free samples on condition that it is available in stocks, however,the transportation fee is borne by buyer.
Q7: How could you guarantee your products quality?
A: Each piece of products is manufactured by certified workshops, inspected by us piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.
Q8:What are the advantages of your company?
A:(1): Prime quality and reasonable price.
(2): Wide excellent experiences with after-sale service.
(3): Every process will be checked by responsible QC which insures every product's quality.
(4): Professional packing teams which keep every packing safely.
(5): Trial order can be done in one week.
(6): Samples can be provided as your requirements
Persona de Contacto: Mr. Gao Ben
Teléfono: +86-18068357371
Fax: 86-0510-88680060