Xylan-1070-Coated-Stud-Bolt

• Customization: Available
• Material: Alloy Steel
• Grade: A
• Model NO.: 1424
• Certification: ISO, CE
• Customized: Customized
• Steel Grade: 3.6\4.6\4.8\5.6\6.8\8.8\9.8\10.9\12.9
• Transport Package: Playwood Box, Wooden Case
• Trademark: C&N
• Origin: China
• Production Capacity: 100tons/Month

Product Description

Fluorocarbon Coating (PTFE, Xylan)

Fluorocarbon Coating is an organic coating consisting of solid lubricant dispersed in an organic binder and dissolved in a specially formulated mixture of solvents. It is also corrosion-resistant due to the use of a thermally cured thermosetting synthetic binding material. When applied to the substrates it resists galling, seizure and fretting and offers corrosion resistance.

XYLA-N coatings were originally developed out of fluroplastics (PTFE, etc ) but with continued development of polymers that can be used as binder systems and adhesion promoters , the performance of coatings has improved considerably .

Xyla-n® 1070 is a low friction coating with high corrosion resistance to oxidation and high temperatures. Similar to Xylan® 1427, this PTFE coating is ideal for leak prevention for tanks, valves, vessels, etc. in harsh environments.

XYLA-N 1070

• Its basic use is for fasteners in marine use, in particular for drilling platform construction in the north sea . its main features are that it combines good corrosion protection with dry lubrication. The main benefits are:- significantly reduced torque required for a given pre- load.
• Much greater accuracy of pre- load for a given applied torque.
• Good protection against salt water corrosion ease of break - out of nuts (prevention of nut seizure) leading to ease of maintenance.

XYLA-N 1070 coated Stud bolt production procedure

STEP ONE: Applying a base-coat such as Zinc-plating, Zinc-Nickel. The base coat has an average thickness of 10-15µ

STEP TWO: sand-shot blasting to roughen the surface of the fasteners to be coated.

STEP THREE: Having fasteners coated with PTFE Xylan 1070 or Xylan 1424 in the required color. See the table below for the top coat most suited to for your situation.

Top coat	Comments:	ASTM B-117 Salt Spray test	Working Temperature
Xylan 1424.	Fluoropolymer Organic. Water-based. Average thickness topcoat: 16µ.	*In combination with Zinc-Nickel: up to 3300 hours	-20ºC to 180ºC
Xylan 1070	Fluoropolymer Organic. Solvent-based. Average thickness topcoat: 16µ.	*In combination with Zinc-Nickel: up to 3900 hours	-195ºC to 260ºC

STEP FOUR: Heat treatment of the coated fasteners is performed.

Benefits of PTFE Xylan 1070 coated Stud bolts

1. Anti-Rust. In a ASTM B-117 Salt Spray test the coating remains resistant up to 3900 hours before red rust occurs.
2. Sustainability. As we are working towards a circular economy, PTFE coated fasteners are more sustainable then regular bolts due to their longer durability.
3. Lower maintenance costs. Longer durability of bolts does not only result in more sustainability but also lower maintenance costs.
4. Low torque friction coefficient. Due to the TEFLO-N top layer, torque friction is low.
5. Added value. Using colored bolts into the colored frame work, valve, flange or heat exchanger gives your product extra added value.

We have an extensive range of plating and coatings that provide outstanding temperature, chemical, abrasion and corrosion resistance designed to withstand harsh conditions. These coating services are combined with our production capabilities to customize a multi layered-coating system ideally suited to any specific environment.

Plating

• Zinc (White / Yellow / Black)
• Zinc Nickel

Galvanising

• Hot-Dipped Galvanise

Fluorocarbon Coating
SermaGard^® Coating Systems:

• 1105
• 1280
• 1628
• 1175

Xylan^® Coating Systems:

• Xylar 2
• 1014
• 1070
• 1052
• 1424

ASTM A193 B7 bolts are built to the requirements of numerous specifications and material design properties. To be more specific, ASTM A193 B7 alloy steel is a high temperature grade of A-193. B7 steel is also a chrome moly steel with a minimum tensile strength of 125ksi. Depending on your unique project requirement needs, grade B7 bolts can be used in numerous types of extreme conditions.

ASTM A193 B7 stud bolts are ideal for industrial and structural bolting application with high-temperature or high-pressure service environment. A193 B7 stud bolts is  one of the most common materials for B16.5 flange bolting

ASTM A193/A193M	Standard specification for alloy-steel and stainless steel bolting for high temperature or high pressure service and other special purpose applications.
ASME B16.5	Covers recommended stud bolt quantity, diameter, and length for use in flanged pipe fittings.
ASME B1.1 Class 2A	Specifies the thread form, series, class, allowance, tolerance, and desig nation for unified screw threads. UNC for 1″ diameter and smaller. UN8 (8 threads per inch) for 1-1/8″ diameter and larger.

FULLY THREADED STUD BOLT
TYPE OF THREAD: UNC, 8 TPI
TYPE, NUT: HEAVY HEXOGONAL 
DESIGN SPEC, NUT: ASME / ANSI B18.2.2 HEX NUTS
DESIGN SPEC, STUD BOLT: ASME / ANSI B18.2.1 STUD BOLT
DESIGN SPEC, THREAD: ANSI B1.1
THREAD CLASS SYMBOL, NUT: 2B
THREAD CLASS SYMBOL, STUD BOLT: 2A

Material: ASTM A193  Grade B7 stud bolt
 

 Xylan coated A197 B7 stud Bolt A194 2H nuts specifications
 

ASTM A193 B7 Stud Bolt Chemical Composition %

C	Mn	Si	P	S	Cr	Mo
0.37-0.49	0.65-1.10	0.15-0.35	0.035	0.04	0.75-1.20	0.15-0.25

A193 B7 Stud Bolt Mechanical Properties

Diameter	Tensile Strength	Yield Strength	Elongation	Reduction	Hardness
M64 or Below	860 Mpa	720 Mpa	16	50	321 HB
M64 to M100	795 Mpa	655 Mpa	16	50	321 HB
M100 to M180	690 Mpa	515 Mpa	18	50	321 HB

A194 2H Hex Nut Chemical Components %

C	Mn	Ph	S	Si
0.40 min	1	0.04	0.05	0.4

 

194 2H Hex Nut Mechanical Properties

Size	TemperingTempFahrenheit	Proof LoadStress, ksi	Hardness
1/4-1 1/2	850	175	248-327
1 1/2-4	850	175	212-327

 

 

(A) StudsThreaded Rod / Stud A193 B7

 

FAQ'S
1.What is Xylan?
Xylan is a family of fluoropolymer coatings designed by Whitford to provide corrosion protection, lubrication, wear resistance and non-stick properties in a variety industries and applications.  it have below benefits
Anti-Rust. In a ASTM B-117 Salt Spray test the coating remains resistant up to 3900 hours before red rust occurs.
Sustainability. As we are working towards a circular economy, PTFE coated fasteners are more sustainable then regular bolts due to their longer durability.
Lower maintenance costs. Longer durability of bolts does not only result in more sustainability but also lower maintenance costs.
Low torque friction coefficient. Due to the TEF-LON top layer, torque friction is low.
Added value. Using colored bolts into the colored frame work, valve, flange or heat exchanger gives your product extra added value.

3 How do you apply Xylan Coating?
 STEP ONE: Applying a base-coat such as Phosphate, Zinc, Zinc-Nickel, Hot Dip Galvanized or Xylar 1. The base coat has an average thickness of 10-15µ (except for HDG).
STEP TWO: Glass-shot blasting to roughen the surface of the fasteners to be coated.
STEP THREE: Having fasteners coated with PTFE Xylan 1070 or Xylan 1424 in the required color. See the table below for the top coat most suited to for your situation.
STEP FOUR: Heat treatment of the coated fasteners is performed.
4.Is Xylan the same as Te-flon?
No. Xylan and Te-flon are both brands of PTFE (Polytetrafluoroethylene) coatings. Although some Xylan and Te-flon products may have similar properties, it is important not to assume they will do the same job as there are variations of each product which are suitable for different applications and environments.

5.Is Xylan suitable for fasteners?
Yes. Amongst the Xylan range are a series of fastener-class coating systems designed to improve the performance and longevity of all types, sizes and grades of fasteners through its excellent corrosion resistant and low-friction properties. Xylan can be applied via dip-spin and spray methods, meaning it is suitable for small screws right through to large stud bolts.

6.What is Xylan Blue?
Xylan actually comes in a wide range of colours but is often referred to as "Xylan Blue" or "PTFE Blue" in reference to coating B7 Stud Bolts and Nuts for the Petrochemical industry. Generally, the product required will be Xylan 1424 or Xylan 1070 however its always best to clarify with the end user or consult technical advice direct from Whitford or your preferred applicator to confirm.

7.What are the addtional coating type you can  supply?
Zinc + Fluorocarbon / PTFE
Cadmium + Fluorocarbon /PTFE
Zinc Nickel + Fluorocarbon /PTFE
Zinc Plating + Xylan 1424 Blue
Xylar 2 + Xylan 1070 Blue
Xylar 2 + xylar 101 coated stud bolt

8.How to order the fluorocarbon coated stud bolts?
Example#1,
Stud Bolt 5/8″x80mm + 2 Heavy Hex Nuts ASME B18.2.1/B18.2.2/B1.1  Cl.2A/2B ASTM A 193 Gr.B7 - A 194 Gr.2H Fluorocarbon Coated blue color
Stud Bolts B7 c/ w 2Nuts 2H Fluoro Carbon Coated ASTM A 193 Gr.B7 - A194 - Gr.2H
Stud Bolts B7 c/ w 2Nuts 2H Black ASTM A 193 Gr.B7 - A194 - Gr.2H