Nabla Clamp for Nabla Fastening System

• Customization: Available
• Type: Spring Steel Railway Nabla Clamp
• Material: 65 Mn
• Model NO.: Nabla
• Hardness: 385-43hb
• Yield Strength: 1200-1400n/ mm2
• Tensile Strength: 1300-1500n/ mm2
• Elongation: >6%
• Quench Mirco-Struction: Martensite
• Fatigue Test: >200 Million
• Anti- Corrosion: Qualified, 500 Hours
• Payment Term: Tt/ L/C
• Port: Shanghai
• Transport Package: Woven Bag and Wood Pallet
• Specification: NF
• Trademark: ZBRF
• Origin: China
• Production Capacity: 600t/Month

Product Description

We produce Nabla spring clips according to NF stanard.
 

Nabla clip
Material	60Si2MnA	60Si2CrA	55Si2Mn	38Si7
Chemical composition(%)	C:0.56-0.64,	C:0.56-0.64,	C:0.52-0.60,	C:0.35-0.42,
	Mn:0.60-0.90,	Mn:0.40-0.70,	Mn:0.60-0.90,	Mn:0.50-0.80,
	Si:1.60-2.00,	Si:1.40-1.80,	Si:1.50-2.00,	Si:1.50-1.80,
	Cr:≤0.35,	Cr:0.70-1.00	Cr:≤0.35
	P:≤0.03,	P:≤0.03,	P:≤0.03,	P:≤0.03,
	S:≤0.03	S:≤0.03	S:≤0.03	S:≤0.03
Hardness	42-47HRC

Zhongbo Railway Fastening Company is a leading Chinese manufacturer of rail fastening and rail joint bar.

Zhongbo, as a specialized rail fastener manufacturer, provides a complete line of products, including rail fastening, anchor, rail joint, rail clip, rail screw, anchor bolt, rail clamp plate, rail fishplate, and fishplate bolt for connecting rail tracks.

We also make rail fastenings for crane rail and elevator guide rail, along with other related products. We manufacture according to GB/TB (Chinese national standards and railway standards), AREA, UIC, BS, DIN, ASTM, and AS standards.

Our products are mainly made through hot forging.

The threads of rail screw spikes are made by hot rolling with special threading machines.

We produce metric threads, BS, BSW, TR thread, or round threads.