Wholesale Leaf Spring Trailer Parts Truck Trailer parts
Specifications
1. Integral high-quality low alloy shaft tube, high load capacity,
high bending strength.
2. The whole quenched and tempered and induction hardening
optimization, high-precision machining finished, some products
after tempering and then processing to improve accuracy
规格
1.More than 10 years experience in semi trailer production.
2.Reliable quality.
3.Perfect pre-sale and after - sale service.
4.Accept customized products.
Single piece leaf spring hardness need to be HB378-445 after heat
treatment;
Overheating, overburning, cracking, folding, bruising and other
defects are not allowed on surface;
Each sinlgle leaf spring need to do stress shot peening treatmnet;
After the spring assembling, the center bolt must be punched and
riveted;
Bolt mechanical performance level: 8.8-GB3098.1-2000;
The surface defects of bolts shall be implemented according to
GB5779.1-2000;
Tolerance of bolts is according to GB3103.1-1982 Grade B product ;
The spring assembly is painted with black paint or as requested,
according to QC / T484-TQ9;
Other technical requirements shall be implemented according to GB /
19844-2005.
Thickness : From 6 mm to 50 mm
Width: From 45mm to 152mm
Color: shinning black,dark black,grey,blue follow your requirement
Materials: SUP7, SUP9, SUP9A, SUP10, SUP11, SUP11A, 60Si2Mn,
55CrMnA and 50CrVA are available
Certificate: TS16949;ISO9001; GB/T 19001-2008
Lead time: within 30-45days after receiving orders
Factory Ability:
* Samples available for customers' confirmation before bulk orders
* New designing accept for developing
* Customize logo, brand and packing offered
* Advanced lab to ensure you the best quality
* Professional export team for your shipment
