Name: Q345b alloy steel hollow forging
1. Material: 20cr4 alloy steel
2. Size: Od 200-1200mm
Id 150-1150mm
Thk 10-150mm
3. Forging processhot forged n or q+t
4. Tolerance: +/-0.5
5. Inspection: In-house and third part
6. Standard: JIS/ANSI/DIN/GB/EN.
7. Hardness: HRC62+/-2(SUS440C: HRC58)
8. Accurancy: G6 h6
9. Roughness: No less than 0.8mm(RMAX)
10. Hard Belt: 0.8-3mm
Forging production flow:
Enquiry with drawing in details
Confirm steel material, chemical compositions, mechanical properties, tolerances
Confirm payment terms, order materials or check material in stock
Check material chemical compositions, material weight, dimensions
Cut materials, record weight, pre-heating for forging
Forging ratios, heat treatment after forging, dimension check
Rough machining, ut test, heat treatment
Fine machining, ut & pt test, dimensions inspection, mechanical properties test
Customer inspection at site, packing, delivery arrangement
Balance payment confirmation, dispatch forgings or castings
Bill of loading confirmation, mtc dispatch, customs clearances
| Certificate | ISO9001:2008;PED;SGS |
| Delivery time | 40 days |
| MOQ | 1 pcs |
| Payment term | T/T or L/C |
We sincerely hope establishing long and friendly business relations with clients from all over the world. Our goal is not just providing product, but also providing a complete solution including product design, tooling, fabrication and service for our customers to achieve their upmost satisfaction.
Forging weight is from 50 kg to 20 ton. Many kinds of materials, free size.
Smelting Process: EF+LF + VD+VC The process as follow: Ingot → Heat → Forging → Heat treatment (Normalizing+ tempering) → Inspection → Rough machining→ UT → 2th Heat treatment → Finishing machining → Inspection
Applications: The heavy forging: Forged ring, shaft, roller, flange, or gear is widely used for various industries For example: Metallurgy, mining, power station and so on.
Specifications:
Description
The heavy forging: Forged ring, shaft, roller, flange, or gear
Material
Alloy steel or stainless steel
Material standard
ASTM or GB/T3077-1999
Specification
As per specified requirements
Weight
Max. 250 ton
Smelting Process:
EF+LF + VD+VC
Process
Ingot→ Heat → Forging → Heat treatment (Normalizing+ tempering) → Inspection
→ Rough machining→ UT → 2ND Heat treatment → Finishing machining → Inspection
UT standard
EN10228, ASTM A388 or JB/T 5000.15-1998
Competitive Advantage:
The heavy forging is manufactured by large scale stated enterprise. Advanced technical process from smelting steel to forging and heat treat guarantees the product quality. Closed relationship with several famous stated enterprises guarantee "in-time delivery" and competitive price.
Excellent product quality and service, competitive price, "in-time" delivery
