6×41WS Steel Wire Rope

6×41WS Steel Wire Rope Sizes:

6×41WS 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
6	13.7	13.4	15	18.6	20.1	19.8	21.4	21	22.6	22.2	23.9	23.2	25.1
8	24.3	23.7	26.8	33.2	35.8	35.3	38	37.4	40.3	39.5	42.6	41.4	44.6
9	30.8	30.1	33.9	42	45.3	44.6	48.2	47.3	51	50	53.9	52.3	56.5
10	38	37.1	41.8	51.8	55.9	55.1	59.5	58.4	63	61.7	66.6	64.6	69.7
11	46	44.9	50.6	62.7	67.6	66.7	71.9	70.7	76.2	74.7	80.6	78.2	84.4
12	54.7	53.4	60.2	74.6	80.5	79.4	85.6	84.1	90.7	88.9	95.5	93.1	100
13	64.2	62.7	70.6	87.6	94.5	93.1	100	98.7	106	104	113	109	118
14	74.5	72.7	81.9	102	110	108	117	114	124	121	130	126	136
16	97.3	95	107	133	143	141	152	150	161	158	170	165	178
18	123	120	135	168	181	179	193	189	204	200	216	209	226
20	152	148	167	207	224	220	238	234	252	247	266	258	279
22	184	180	202	251	271	267	288	283	305	299	322	313	337
24	219	214	241	298	322	317	342	336	363	355	383	372	402
26	257	251	283	350	378	373	402	395	426	417	450	437	471
28	298	291	328	406	438	432	466	458	494	484	522	507	547
30	342	334	376	466	503	496	535	526	567	555	599	582	627
32	389	380	428	531	572	564	609	598	645	632	682	662	714
34	439	429	483	599	646	637	687	675	728	713	770	747	806
36	492	481	542	671	724	714	770	757	817	800	863	838	904
38	549	536	604	748	807	796	858	843	910	891	961	933	1007
40	608	594	669	829	894	882	951	935	1010	987	1070	1034	1116
42	670	654	737	914	986	972	1050	1030	1110	1090	1170	1140	1230
44	736	718	809	1000	1080	1070	1150	1130	1220	1190	1290	1252	1350
46	804	785	884	1100	1180	1170	1260	1240	1330	1310	1410	1368	1476
48	876	855	963	1190	1290	1270	1370	1350	1450	1420	1530	1490	1607
50	950	928	1050	1300	1400	1380	1490	1460	1580	1540	1660	1617	1744
52	1030	1000	1130	1400	1510	1490	1610	1580	1700	1670	1800	1748	1886
54	1110	1080	1220	1510	1630	1610	1730	1700	1840	1800	1940	1886	2034
56	1190	1160	1310	1620	1750	1730	1860	1830	1980	1940	2090	2028	2188
58	1280	1250	1410	1740	1880	1850	2000	1960	2120	2080	2240	2175	2347
60	1370	1340	1500	1870	2010	1980	2140	2100	2270	2220	2400	2328	2511

What Is a 6x41WS Steel Wire Rope and Why Is It So Strong?

A 6x41WS steel wire rope is a high-strength rope made of 6 strands, each with 41 wires arranged in a Warrington Seale pattern. This specific design offers excellent crush resistance and good flexibility, making it ideal for demanding industrial lifting and hoisting applications.

I’ve seen many clients, like Mark from the US, choose the wrong rope and face costly failures. They focus on price but do not understand the construction. The details, like the “WS,” make all the difference. Let me break it down for you so you can make a smarter choice. Let’s look closer at what makes this rope special.

How does the 6×41 Warrington Seale (WS) construction work?

The Warrington Seale (WS) construction combines two wire patterns in one strand. It has larger outer wires for abrasion resistance. It also has a mix of large and small inner wires for flexibility and strand stability. This dual-pattern design creates a versatile, durable wire rope.

Let’s break down the name “6x41WS” to understand its power. The “6” means the rope has six outer strands wrapped around a central core. The “41” tells us each of those six strands is made from 41 individual wires. This high wire count contributes to the rope’s strength and fatigue resistance.

The most important part is “WS,” which stands for Warrington Seale. This is not one pattern but a combination of two.

Understanding the Wire Patterns

• Warrington Pattern: This pattern uses wires of different sizes within the same layer. It alternates between a large and a small wire. This increases the rope’s flexibility.
• Seale Pattern: This pattern uses an equal number of large outer wires and smaller inner wires. The large outer wires offer excellent abrasion and wear resistance.

The WS construction takes the best of both. It typically has a Warrington layer on the inside for flexibility and a Seale layer on the outside for toughness. This combination creates a dense, stable strand that is highly resistant to crushing. When I talk with procurement officers, I use this table to simplify it.

Construction Type	Main Feature	Best For
6×19 Seale	High abrasion resistance	Drag lines, coarse conditions
6×37 Class	Very high flexibility	Crane ropes on small drums
6×41 WS	Excellent crush resistance, good flexibility	Winches, cranes, heavy hoisting

The 41 wires in a WS pattern increase the metal content of the rope’s cross-section. This provides better internal support. That is why it resists flattening on winch drums so well.

What are the best applications for 6x41WS wire rope?

6x41WS wire rope is best for applications involving high pressure and crushing forces. This includes main hoist lines on mobile and overhead cranes, winch lines, boom pendants, and heavy-duty drilling rigs. Its durability makes it a reliable choice for severe operating conditions.

The features of a 6x41WS rope directly translate to its performance in tough jobs. Its primary strength is its resistance to crushing and abrasion. This makes it a perfect solution for specific industrial challenges.

Why It Excels on Drums

Think about a winch with multiple layers of rope spooled onto the drum. The pressure on the bottom layers is immense. A less-dense rope, like a 6×37 class, can flatten or deform under this pressure. This damages the rope and can cause unsafe, jerky spooling. The dense, stable structure of a 6x41WS rope maintains its round shape. This ensures smooth operation and a much longer service life in multi-layer spooling situations.

Industry-Specific Uses

• Construction and Cranes: It is a top choice for main and auxiliary hoist lines on crawler cranes, mobile cranes, and tower cranes where strength and reliability are critical.
• Mining and Oilfields: The rope’s durability makes it ideal for heavy-duty drilling lines, winch lines, and other demanding applications in mining and oil exploration.
• Marine and Ports: It is used for mooring lines and winch ropes, which must withstand heavy loads and harsh environmental conditions.

I remember a client in South America who switched to 6x41WS for their mining winches. They told me their rope replacement frequency dropped by 40%. The initial cost was slightly higher, but the long-term savings from less downtime and fewer replacements were huge. This is what I mean by looking beyond the sticker price.

How does the core type affect 6x41WS rope performance?

The core is the heart of the rope. For a 6x41WS rope, an Independent Wire Rope Core (IWRC) is standard. The IWRC is a small wire rope itself. It provides strong support, increases strength, and resists crushing far better than a fiber core (FC).

When you specify a 6x41WS wire rope, you must also consider its core. The core runs through the center and supports the outer strands. It keeps them in the correct position. The choice of core dramatically impacts the rope’s overall performance. For a high-performance rope like 6x41WS, one core type is clearly superior.

Independent Wire Rope Core (IWRC)

This is the standard and most recommended core for 6x41WS. The IWRC is literally a smaller, independent wire rope at the center of the main rope. This “rope within a rope” design offers several key benefits:

• Increased Strength: An IWRC adds about 7.5% to the rope’s total minimum breaking strength.
• Superior Crush Resistance: It provides a solid, unyielding foundation for the outer strands. This is critical for preventing rope deformation on winch drums.
• Lower Stretch: Steel stretches less than fiber, providing more precise load control.
• Heat Resistance: The all-steel construction makes it suitable for high-temperature environments where a fiber core would degrade.

Fiber Core (FC)

A fiber core is made from natural (like sisal) or synthetic (like polypropylene) fibers. While it offers more flexibility, it is not the right choice for 6x41WS applications. An FC can be compressed easily, which defeats the purpose of the crush-resistant WS construction. It cannot provide the rigid support needed for heavy loads and high-pressure spooling.

I always create this simple table for customers like Mark, who value quality details.

Core Type	Strength & Crush Resistance	Flexibility	Heat Resistance	Typical Use with 6x41WS
IWRC	Excellent	Good	Excellent	Standard Choice
FC	Poor	Excellent	Poor	Not Recommended

For a procurement officer, specifying IWRC is a non-negotiable quality point for this type of heavy-duty rope. It is a key detail I always confirm in my quotations to ensure the customer gets the performance and safety they expect.