6×19S Steel Wire Rope

6×19S Steel Wire Rope Sizes:

6×19S Steel Wire Rope Sizes

Nominal Diameter	Weight (kg/100m)			Nominal Tensile Strength of Rope (MPA)
				1570		1670		1770		1870		1960
				Minimum Breaking Load of Rope (kn)
(mm)	NF	SF	IWR/IWS	FC	IWR/IWS	FC	IWR/IWS	FC	IWR/IWS	FC	IWR/IWS	FC	IWR/IWS
5	9.2	9	10.1	13	14	13.8	14.9	14.6	15.8	15.4	16.6	16.1	17.4
6	13.3	13	14.6	18.7	20.1	19.8	21.4	21	22.7	22.2	24	23.2	25.1
7	18.1	17.6	19.9	25.4	27.4	27	29.1	28.6	30.9	30.2	32.6	31.7	34.2
8	23.6	23	25.9	33.2	35.8	35.3	38	37.4	40.3	39.5	42.6	41.3	44.6
9	29.9	29.1	32.8	42	45.3	44.6	48.2	47.3	51	50	53.9	52.3	56.5
10	36.9	36	40.5	51.8	55.9	55.1	59.5	58.4	63	61.7	66.6	64.6	69.7
11	44.6	43.5	49.1	62.7	67.6	66.7	71.9	70.7	76.2	74.7	80.6	78.2	84.4
12	53.1	51.8	58.4	74.6	80.5	79.4	85.6	84.1	90.7	88.9	95.9	93.1	100
13	62.3	60.8	68.5	87.6	94.5	93.1	100	98.7	106	104	113	109	118
14	72.2	70.5	79.5	102	110	108	117	114	124	121	130	126	136
16	94.4	92.1	104	133	143	141	152	150	161	158	170	165	178
18	119	117	131	168	181	179	193	189	204	200	216	209	226
20	147	144	162	207	224	220	238	234	252	247	266	258	279
22	178	174	196	251	271	267	288	283	305	299	322	313	337
24	212	207	234	298	322	317	342	336	363	355	383	372	402
26	249	243	274	350	378	373	402	395	426	417	450	437	471
28	289	282	318	406	438	432	466	458	494	484	522	507	547
30	332	324	365	466	503	496	535	526	567	555	599	582	627
32	377	369	415	531	572	564	609	598	645	632	682	662	714
34	426	416	469	599	646	637	687	675	728	713	770	747	806
36	478	466	525	671	724	714	770	757	817	800	863	838	904
38	532	520	585	748	807	796	858	843	910	891	961	933	1007
40	590	576	649	829	894	882	951	935	1010	987	1070	1034	1116

What is 6×19S Steel Wire Rope and Why Does It Matter for Your Project?

Procurement managers often struggle to match wire rope specifications with actual project demands. Using the wrong rope leads to safety risks and costly project delays. I am here to help you get the clarity you need.

The 6×19S steel wire rope is a specific construction featuring larger outer wires that offer excellent resistance to wear and abrasion. This design offers excellent breaking load performance, making it a reliable choice for a wide range of industrial lifting and rigging applications.

I know how difficult it is to choose the right gear when you are dealing with tight budgets and strict safety standards. You need a solution that balances cost with performance. Let us look closer at why this specific rope construction is a smart choice for your inventory.

Why is the 6×19S construction so popular for heavy-duty work?

You are likely tired of wire ropes that fray and break after only a few weeks of use. Replacing equipment constantly eats into your profit margins and halts your productivity. You need a durable solution.

The 6×19S configuration is popular because its larger outer wires provide superior resistance to surface wear and mechanical abrasion compared to other 6×19 constructions. This durability ensures the rope maintains its strength and structural integrity even under harsh, abrasive working conditions.

When I advise clients, I always emphasize that “S” stands for the Seale construction pattern. In this design, the wire rope uses a specific arrangement of wires in which the outer layer consists of larger-diameter wires. This is not just a random design choice; it is a mechanical advantage. Larger wires are simply tougher against scraping and dragging. When your rope drags over pulleys or brushes against rough surfaces, smaller wires snap easily. The 6×19S construction fights back against this type of fatigue.

It is also important to understand that this construction offers a balance. It provides enough flexibility for most standard lifting operations while maintaining the robustness needed for heavy loads.

Here is how the 6×19S compares to general constructions in terms of performance:

Feature	6×19S Construction	General 6×19 Construction
Abrasion Resistance	Excellent (Large outer wires)	Moderate
Flexibility	Good	Good
Breaking Load	Superb	Standard
Best Usage	Rough Environments	Indoor/General

By choosing the 6×19S, you are investing in a rope that resists the wear and tear of daily heavy-duty use. For my customers in the lifting business, this means less downtime for replacements and more time getting work done.

How do you choose between FC and IWRC cores?

You have selected the right wire layout, but if the core type is wrong, your rope will fail. Your rope might stretch too much or get crushed under load, which ruins your schedule. Do not let a simple oversight halt your operations.

Choosing between Fiber Core (FC) and Independent Wire Rope Core (IWRC) depends on your specific flexibility and strength requirements. FC offers better flexibility for lighter tasks, while IWRC provides higher breaking strength and superior crush resistance for heavy-duty lifting applications.

This is a critical decision point for any buyer. When I speak with procurement officers, I tell them to look at the environment first. If you are operating a winch or equipment that frequently requires the rope to bend, you might lean toward a Fiber Core (FC). The FC makes the rope more flexible and easier to handle. However, flexibility comes with a trade-off. Fiber cores can compress under very high loads, potentially shortening the rope’s lifespan in heavy-duty applications.

On the other hand, the Independent Wire Rope Core (IWRC) is made entirely of steel. It is much stronger. It does not compress as easily, so it holds its shape under heavy pressure. If you are using your rope for demanding industrial tasks where crush resistance is vital, IWRC is the professional choice.

Consider these factors when deciding:

Core Type	Key Benefit	Ideal Application
Fibre Core (FC)	High Flexibility	Light lifting, general handling
IWRC	High Strength/Crush Resistance	Heavy lifting, harsh conditions

As a business owner, I always tell my clients: if you are unsure, calculate your maximum load. If you are pushing the limits, always choose IWRC. It costs a bit more, but it prevents the massive cost of a failed lift.

Why is galvanized treatment essential for your wire rope?

Rust eats through metal in seconds. If you buy the wrong finish, your ropes will fail long before their time. Do not deal with the headache of constant equipment failures and safety hazards.

Galvanized steel wire rope is treated with a thin layer of zinc to prevent corrosion. It is the most cost-effective solution for outdoor applications where the rope must withstand moisture, weather, and harsh industrial elements.

I have seen many buyers try to save money by purchasing bright (non-galvanized) wire rope for outdoor projects. It is a mistake. Within weeks, moisture and humidity cause oxidation. The rust creeps into the core, and suddenly, the rope is no longer safe to use. Galvanization is the simple answer to this problem. The zinc coating creates a protective barrier. It effectively seals the steel from the environment.

Is it perfect? Not quite. Stainless steel offers better long-term corrosion resistance in extreme environments, such as saltwater. However, for most outdoor industrial uses, galvanized steel is the “sweet spot” for value. It is much cheaper than stainless steel but provides all the protection you need for typical construction or site work.

When buying, remember to ask your supplier about the quality of the galvanization. A good coating should be even and smooth.

Treatment Type	Cost	Corrosion Resistance
Bright (No coating)	Lowest	None
Galvanized	Moderate	Good (Outdoor/Industrial)
Stainless Steel	High	Excellent

For my clients, choosing the right surface treatment is about protecting the asset. A galvanized rope lasts much longer, which means you do not have to buy replacements as often. This is the smartest way to manage your purchasing budget.

Conclusion

The 6×19S wire rope offers excellent abrasion resistance due to its large outer wires. Select the right core—FC for flexibility or IWRC for strength—and always choose galvanized for outdoor durability.