Stainless Steel Bolts and Nuts

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Govt Certified ASTM A193 Stainless Steel Fasteners manufacturer in India, check Stainless Steel Bolts Grades and weight chart

Stainless steel Fasteners are highly alloyed iron-based family of metals with a minimum content of element chromium ranging between 10% to 11%. Unlike iron, it is an alloy that is resistant to rust, due to the inclusion of chromium. The chemical make-up of different Stainless Steel Bolts and Nuts varies with the change in the content of elements such as copper, nitrogen, aluminium, titanium, nickel, silicon, sulfur, selenium, niobium, and molybdenum. The addition of minerals in a proportion is what imparts the alloy its mechanical properties. For instance, SS Fasteners that have a chromium content of more than 12% tend to react with the oxygen present in the air and forms a self-repairing layer on its surface, thus effectively shielding the component, for example, SS bolts and nuts, from getting worn out by oxidation.

The five classes of Stainless Steel Bolts Grades are classified based on their crystalline structure -

Austenitic class
Martensitic class
Ferritic class
Precipitation hardening class
Duplex class

A difference in their crystalline structure in conjunction with its properties makes it an alloy that is strong, tough, and corrosion-resistant, especially if compared to low alloy steels or regular carbon steels. Generally, classes like austenitic type prove to be ideal in the fashioning of Stainless Steel Threaded Fasteners & automotive nut bolt. It is because these alloy classes are highly ductile or pliable and can be formed easily by various operations. While martensitic and ferritic steels have good creep strength and hardness properties.

Furthermore, after being furnished with different heat treatment processes, these Stainless Steel Bolt Nut could be used at an elevated temperature. Their use is not limited to only ambient or high-temperature settings, but also in cryogenic applications. These SS Fasteners can be Coated, Coloured or Polished.

Weldability is a property that differs to a certain degree in each Stainless Steel Bolt. Some alloys may have good weldability, while others may not be favourable to weld. In the instance of the former alloys, the welded area may be susceptible to grain boundary precipitates and is more likely to undergo corrosion. To prevent this from occurring, the chemistry for an austenitic alloy grade; for instance, SS 304 Bolt is modified by lowering the content of carbon in the metal. This new grade has the letter L added to its name. So the new metal grade would read alloy 304L, where the letter L is indicative of lower carbon content. However, the modified chemistry does not meet the mechanical properties as the original alloy. Therefore, when the metal is alloyed, nitrogen is combined to its chemistry, thus giving the modified grade 304L metric stainless steel fasteners mechanical properties practically similar to that of the parent SS 304 Fasteners.

In heat-resisting steel grades such as alloy 321 Stainless Steel Nut Bolt, the metal would have stabilizers in the place of either titanium or columbium added to its chemistry. These stabilizers are why the fore mentioned fastener is well suited for use at elevated temperatures. So you can call them as high strength stainless steel bolts or high tensile stainless steel fasteners. Don't forget to ask MTC from your SS Nut Bolt manufacturers in Mumbai, it will help you to choose genuine material for fixing.

Stainless Steel Bolts and Nuts

Self-Drilling Stainless Steel Fasteners

Stainless Steel Fasteners

Passivated Stainless Steel Fasteners

High strength stainless steel bolts

Stainless Steel Toggle Bolts

Hot dipped and galvanized Stainless Steel Lag Bolts, Toggle Bolts & SS Nut Bolt manufacturer in India, Check online SS Fasteners Price List Ex Mumbai

Stainless Steel Fasteners Price List India
SS Nuts and Bolts standard specification
Types of Stainless Steel Bolts
Types of SS Threaded Rod and Studs
Stainless Steel Bolt Shear Strength
SS Fasteners manufacturing process
Preload and Tightening Torque Table of Stainless Steel Fasteners
SS Fasteners Grade
Stainless Steel Bolt grades
SS Bolt Torque Value comparison with other non ferrous fasteners
Fasteners Indian Standard Code
German DIN Standard SS Nut Bolt
ISO Standard for Stainless Steel Bolt
British Standards (BS) for Stainless Steel Bolts and Nuts
Stainless Steel Bolt Nut Chemical Composition
SS Bolts, Studs and Screws Mechanical Properties
Stainless Steel Bolts Equivalent Grade

Stainless Steel Fasteners Price List India

Check standard specification of Stainless Steel J Bolts & Plow Bolts, Buy Coated & Polished SS Fasteners at lowest price in Mumbai, India

Material	Price in India
Stainless Steel Split Washer (Box of 100pcs)	INR 99/Box
M12 Stainless Steel Washer	INR 3/pcs
STAINLESS STEEL STUD WITH NUTS, SIZE: 7/8 X 175	INR 1,546/pcs

SS Nuts and Bolts standard specification

High Tensile Assorted Stainless Steel Bolt Nut in M4- M30 sizes and DIN 912 /933 /931 / ISO 4762/ 4017/ 4014 standard

ASTM/ASME Specifications

ASTM A193 / ASME SA 193, ASTM A194 / ASME SA 194

Bolts, Studs Threads

UNC, METRIC, BSF, UNF, BSW or Custom

Head drive

Phillips, Six-Lobe, Phillips/Slot, Slotted

Stainless Steel Bolts types

Grades

Specialized manufacturer of Stainless Steel Fasteners in various sizes and types

BS EN ISO 3506-1

Stainless Steel Bolts ASTM standard	Stainless Steel Nuts ASTM
A193 B8 /A320 B8 Class 1/ 2	A194 8
A193 B8M /A320 B8M CL 1/ 2	A194 8M
A193/ A320 B8T CL 1/2	A194 8MA
A193 B8C /A320 B8C	A194 8T
A193 B6	A194 8C
A453 Grade 660 CL A/B/C/D	A194 8A

Types of Stainless Steel Bolts

Stainless Steel Flange Bolts

Marine Grade Stainless Steel Bolts

ASTM A193 Stainless Steel Bolts

High Tensile Stainless Steel Square Bolts

A193 Stainless Steel U Bolts

High Strength SS Eye Bolts

Stainless Steel Lag Bolts

Marine Grade Stainless Steel Anchor Bolts

Stainless Steel Nut Bolt

High Tensile Stainless Steel Carriage Bolts

A193 Stainless Steel Allen Cap Bolt

High Strength SS Countersunk Bolts

Types of SS Threaded Rod and Studs

Stainless Steel Stud Bolts

Marine Grade Stainless Steel Double Ended Studs

ASTM A193 Stainless Steel Tie Rod

High Tensile Stainless Steel Fully Threaded Studs

Stainless Steel Threaded Rod

High Strength SS Unc Stud Bolt

Stainless Steel Bolt Shear Strength

Marine grade high strength ASTM A193 bolts are suitable to use between -50 and 400°C temperature, don't forget to compare our prices with other stainless steel bolts & nuts manufacturers in India

METRIC SIZE	A1/ A2/ A4-50 (N)	A1/ A2/ A4-70 (N)	A1/ A2/ A4-80 (N)
M3	2515	3521	4024
M3.5	3390	4646	5424
M4	4390	6146	7024
M5	7100	9940	11360
M6	10050	14070	16080
M7	14450	20230	23120
M8	18300	25620	29280
M10	29000	40600	46400
M12	42150	59010	67440
M14	57500	80500	92000
M16	78500	109900	125600
M18	96000	134400	153600
M20	122500	171500	196000
M22	151500	212100	242400
M24	176500	247100	282400
M27	229500	321300	367200
M30	280500	392700	448800
M33	408500	571900	653600
M36	408500	571900	653600
M39	488000	683200	780800

Stainless Steel Bolts Permitted Shear Stress chart

Type	Finish	Specification & Condition	Dia (in.)	0.2% Yield Stress (ksi)	Min. Tensile Requirement		Shear Stress (ksi)
Type	Finish	Specification & Condition	Dia (in.)	0.2% Yield Stress (ksi)	Tensile Strength (ksi)	No Threads in Shear Plane	Threads in Shear Plane
302 304 316	Hot Finished	Condition A (Annealed) in ASTM A276-71 Class 1 (solution treated) in ASTM A193-71	all	30	75	15	10.5
302 304 316	Cold Finished	Condition A (Annealed) in ASTM A276-71		45	90	18	12.6
302 304 316	Cold Finished	Condition B (cold-worked) in ASTM A276-71 Class 2 (solution treated and strain hardened) in ASTM A193-71*		100	125	25	17.5

SS Fasteners manufacturing process

Preload and Tightening Torque Table of Stainless Steel Fasteners

Thread	Coefficient of friction	Preload (Kn) Property Class/ Grade			Tightening Torque (Nm) class			Min Breaking Torque
Thread	Coefficient of friction	A1-50 (303)	A2-70 (304)	A4-80 (316)	A1-50 (303)	A2-70 (304)	A4-80 (316)	A1-50 (303)	A1-70 (303)	A4-80 (316)
M1.6	0.1	0.4	0.55	0.55	0.1	0.1	0.2	0.15	0.2	0.24
	0.2	0.3	0.35	0.35	0.1	0.2	0.35
	0.3	0.2	0.3	0.3	0.2	0.25	0.45
M2.0	0.1	0.5	0.6	0.6	0.15	0.2	0.3	0.3	0.4	0.48
	0.2	0.4	0.5	0.5	0.25	0.3	0.4
	0.3	0.25	0.36	0.36	0.4	0.4	0.55
M2.5	0.1	0.65	0.9	0.9	0.25	0.45	0.6	0.6	0.9	0.96
	0.2	0.4	0.5	0.5	0.45	0.6	0.65
	0.3	0.3	0.3	0.3	0.6	0.75	0.8
M3.0	0.1	0.9	1	1	0.85	1	1.3	1.1	1.6	1.8
	0.2	0.6	0.65	0.65	1	1.1	1.6
	0.3	0.4	0.45	0.45	1.25	1.35	1.85
M4.0	0.1	1.08	2.97	2.97	0.8	1.7	2.3	2.7	3.8	4.3
	0.2	1.12	2.4	2.4	1.3	2.6	3.5
	0.3	0.9	1.94	1.94	1.5	3	4.1
M5.0	0.1	2.26	4.85	4.85	1.6	3.4	4.6	5.5	7.8	8.8
	0.2	1.83	3.93	3.93	2.4	5.1	6.9
	0.3	1.49	3.19	3.19	2.8	6.1	8
M6.0	0.1	3.2	6.85	6.85	2.8	5.9	8	9.3	13	15
	0.2	2.59	5.54	5.54	4.1	8.8	11.8
	0.3	2.09	4.49	4.49	4.8	10.4	13.9
M8.0	0.1	5.86	12.6	12.6	6.8	14.5	19.3	23	32	37
	0.2	4.75	10.2	10.2	10.1	21.4	28.7
	0.3	3.85	8.85	8.85	11.9	25.5	33.9

Thread	Coefficient of friction	Preload (Kn) Property Class/ Grade			Tightening Torque (Nm) class			Min Breaking Torque
Thread	Coefficient of friction	A1-50 (303)	A2-70 (304)	A4-80 (316)	A1-50 (303)	A2-70 (304)	A4-80 (316)	A1-50 (303)	A1-70 (303)	A4-80 (316)
M10.0	0.1	9.32	20	20	13.7	30	39.4	46	65	74
	0.2	7.58	16.2	16.2	20.3	44	58
	0.3	6.14	13.1	13.1	24	51	69
M12.0	0.1	13.6	29.1	29.1	23.6	50	67	80	110	130
	0.2	11.1	23.7	23.7	34.8	74	100
	0.3	9	19.2	19.2	41	88	117
M14.0	0.1	18.7	40	40	37.1	79	106	210	290	330
	0.2	15.2	32.6	32.6	56	119	159
	0.3	12.3	26.4	26.4	66	141	188
M.16.0	0.1	25.7	55	55	56	121	161
	0.2	20.9	44.9	44.9	86	183	245
	0.3	17	36.4	36.4	102	218	291
M18.0	0.1	32.2	69	69	81	174	232
	0.2	26.2	56.2	56.2	122	260	346
	0.3	21.1	45.5	45.5	144	380	411
M20.0	0.1	41.3	88.6	88.6	114	224	325
	0.2	33.8	72.4	72.4	173	370	494
	0.3	27.4	58.7	58.7	205	439	586
M22.0	0.1	50	107	107	148	318	424
	0.2	41	88	88	227	488	650
	0.3	34	72	72	272	582	776
M24.0	0.1	58	142	142	187	400	534
	0.2	47	101	101	284	608	810
	0.3	39	83	83	338	724	966

Thread	Coefficient of friction	Preload (Kn) Property Class/ Grade	Tightening Torque (Nm) class
Thread	Coefficient of friction	A1-50 (303)	A1-50 (303)
M27.0	0.1	75	275
	0.2	61	421
	0.3	50	503
M33.0	0.1	91	374
	0.2	75	571
	0.3	61	680
M36.0	0.1	114	506
	0.2	94	779
	0.3	76	929
M39.0	0.1	135	651
	0.2	110	998
	0.3	89	1189
	0.1	162	842
	0.2	133	1300
	0.3	108	1553

SS Fasteners Grade

Fastener	Standards	Grades Available	Size Range (Metric threads)		Size Range (BSW threads)
Fastener	Standards	Grades Available	From	To	From	To
SS Bolts (Fully threaded screws)	IS 1363/DIN 933/BS 1083	202, 304 & 316	M3 x 10 (in 304)M6 x 10 (in 202 & 316)	M24 x 300	3/16" x 1/2"	3/4" x 8"
SS Full and Lock Nuts	IS 1363/ DIN 934/439/ BS 1083	202, 304 & 316	M2	M36	1/8"	1"
SS Plain Washers	IS 2016	202, 304 & 316	M3	M36	1/8"	1"
Stainless Steel Spring Washers (Square and Flat sections)	IS 3063	202, 304 & 316	M3	M36	1/8"	1"
Slotted Machine Screws (with CSk, Cheese, Round and Raised CSK heads)	IS 1365/1366/8911 DIN 963/84 BS 450	202 & 304	M2 x 4	M12 x 100	1/8" x 1/4"	1/2" x 4"
Cross Recessed Machine Screws with Pan and CSK Phillips heads (PPH & CPH)	DIN 7965/965	304	M2 x 4	M6 x 50	-	-
Allen Cap Screws	IS 2269/DIN 912 BS 2470	202, 304 & 316	M3 x 6	M20 X 100	3/16" x 1/2"	5/8" X 4"
Allen CSK Screws	IS 6761/ DIN 7991 BS 2470	202 & 304	M3 x 8	M12 x 100	3/16" X 1/2"	1/2" X 4"
Grub Screws	IS 6094/ DIN 916/ BS 2470	304	M3 x 3	M12 x 50	3/16" x 3/16"	1/2" X 2"
Button Head Screws	ISO 7380	304	M3 x 8	M10 X 60	-	-
Slotted Self Tapping Screws (with PAN & CSK heads)	IS 7173/7170 DIN 7971/7972	202 & 304	No. 4 x 6.5	No. 14 x 50	-	-
Cross Recessed Self Tapping screws (with Pan & CSK Phillips heads)	DIN 7981/7982	202 & 304	No. 4 x 6.5	No. 14 x 50	-	-
Wood Screws	IS 6760/DIN 97	202 & 304	No. 6 x 20	No. 12 x 100	-	-
Self Locking Nuts (Nylock Nuts)	IS 7002/DIN 982	304 & 316	M3	M20	3/16"	1"
Square Nuts	IS 2585/DIN 557	304	M5	M12	-	-
Wing Nuts	IS 2636/ DIN 315	202 & 304	M3	M12	-	-
Dom Nuts	DIN 1587	304 & 316	M3	M24	3/16"	1"
Flange Nut and Weld Nuts	DIN 6923/6927/929	304	M6	M12	-	-
Special Hex Nuts	UNI 5587	304	M6 X 6	M12 X 12	-	-
Heavy Hex Nuts	ANSI B18.2.2	304 & 316			3/8"	1"
Star Washer (Multigrip overlapping)	-	304	M6	M10	-	-
Star Washer (ET & IT)	-	304	M3	M16	-	-
Taper Washer	-	304	M6	M16	-	-
Threaded Rod	-	304 & 316	M5	M36	3/16"	1"
Rivets (Round, Flat and CSK heads)	IS 2609	202, 304 & 316	3mm x 10mm		-	-
POP (BLIND) RIVETS and Nuts		304
Anchor fasteners (Pin Type)	-	202 & 304	M6 x 50	M24 x 200	-	-

Stainless Steel Bolt grades

Stainless Steel Group	Grades	Tensile Strength range
Austenitic Stainless Steel Bolts	302, 303, 304, 304L, 316, 32, 347 and 348	80,000 - 150,000 PSI
Martensitic Stainless Steel Bolts	410, 416, 420 and 431	180,000 and 250,000 PSI
Ferritic Stainless Steel Bolts	30 and 430F	65,000 - 87,000 PSI
18-8 Stainless Steel Bolts
305 Stainless Steel Bolts
Stainless Steel	303, 304, 310, 316, 317, 321, 347, 410, 420, 431, 904L A2-50, A2-70, A2-80, A4-50, A4-70, A4-80, A4-100, A193 / A320 B8, B8M

Metric Stainless Steel Fasteners grades

Steel Composition			Stainless Steel Grade	Class	Minimum Tensile Strength in MPa
A	Austenitic	1	18-8	50	500 (soft)
		2	18-8	70	700 (cold-worked)
		4	316	80	800 (high strength)
F	Ferritic	1	430	45	450 (soft)
F	Ferritic	1	430	60	600 (cold-worked)
C	Martensitic	1	410	50	500 (soft)
		4	416,416Se	70	700 (hardened and tempered)
				110	1100 (hardened and tempered) (ASTM metric only)
		3	431	80	800 (hardened and tempered)
				120	1200 (hardened and tempered) (ASTM metric only)
P	Precipitation-Hardening (ASTM metric only)	1	630 (17/4)	90	900

SS Bolt Torque Value comparison with other non ferrous fasteners

Bolts Sizes	18-8 Grade Torque in-lbs	316 Grade Torque in-lbs	Silicon Bronze in-lbs	Monel Alloy in-lbs	Brass in-lbs	Aluminum 2024-T4 in-lbs
4-40	5.2	5.5	4.8	5.3	4.3	2.9
4-48	6.6	6.9	6.1	6.7	5.4	3.6
5-40	7.7	8.1	7.1	7.8	6.3	4.2
5-44	9.4	9.8	8.7	9.6	7.7	5.1
6-32	9.6	10.1	8.9	9.8	7.9	5.3
6-40	12.1	12.7	11.2	12.3	9.9	6.6
8-32	19.8	20.7	18.4	20.2	16.2	10.8
8-36	22	23	20.4	22.4	18.0	12.0
10-24	22.8	23.8	21.2	25.9	18.6	13.8
10-32	31.7	33.1	29.3	34.9	25.9	19.2
1/4-20	75.2	78.8	68.8	85.3	61.5	45.6
1/4-28	94	99	87	106	77	57
5/16-18	132	138	123	149	107	80
5/16-24	142	147	131	160	116	86
3/8-16	236	247	219	266	192	143
3/8-24	259	271	240	294	212	157
7/16-14	376	393	349	427	317	228
7/16-20	400	418	371	451	327	242
1/2-13	43	45	40	48.7	35.2	26
1/2-20	45	47	42	51	37	27
9/16-12	56	59	53	65	47	34
9/16-18	62	65	58	71	51	38
5/8-11	92	96	86	111	76	60
5/8-18	103	108	96	123	85	67
3/4-10	127	131	118	153	104	82
3/4-16	124	129	115	149	102	80
7/8-9	194	202	178	231	159	124
7/8-14	193	201	177	230	158	124
1 - 8	286	299	265	344	235	184
1 - 14	259	270	240	311	212	166
Bolts Sizes	18-8 Grade Torque in-lbs	316 Grade Torque in-lbs	Silicon Bronze in-lbs	Monel Alloy in-lbs	Brass in-lbs	Aluminum 2024-T4 in-lbs

Fasteners Indian Standard Code

IS 1367 - Alloy Steel Fasteners and High Tensile Low Carbon Steel Bolts, Nuts, Studs, to meet technical specifications as above physical and chemical.
IS 3757 - High Tensile Friction Grip Bolts.
IS 6623 - High Tensile Friction Grip Nuts.
IS 6649 - High Tensile Friction Grip Washers.
IS 6639 - Hexagon Bolts for Steel structure.
IS 6610 - Heavy washer for Steel structure.
IS 3640 - Fit Bolts.
Bolts- IS 1364, IS 3757, IS 3640, IS 6639.
Studs- IS 1862.
Nuts- IS 1364, IS 6623.
Washers- IS 6648, IS 6610, IS 2016.
Threads as per IS 4218.

German DIN Standard SS Nut Bolt

Check Most popular Stainless Steel fasteners standards, click here for complete SS Fasteners standard list

Types of Stainless Steel Fasteners	DIN Number
Stainless Steel High Tensile Bolts	931 & 933
SS High Tensile Studs	939
For High Tensile Nuts and other German Standards fasteners	934
Stainless Steel Metric Hex Nut	934
Metric
Thin Nut	439
SS Nyloc Nut	982
Nyloc Thin Nut	985
Dome Nut	1587
Dome Nyloc Nut	986
Flange Nut	6923
Wing Nut	315
Square Nut	557
Lifting Eye Nut	582
Form A Washer	125
Form B Washer	125/B
Form C / Type M / Penny Washer
Washers for Cheesehead	433
Shakeproof (int) Washer	6797
Spring Washer	7980
Spring Wave Washer	137

Stainless Steel Bolts / Set Screws	Stainless Steel Stud Bolts and Threaded Rod	Stainless Steel Hexagon Nut	Stainless Steel Cap screws
DIN 931 / 933	BS4882	DIN 934	DIN 912 /6912 / 7984
BS 1768	DIN 976	BS 1768	ANSI B18.3
UNI 5731		BS 1769	ISO 4762
UNI 5739		BS 1083	UNI 5931
ISO 4014		BS 3692	BS 2470
ISO 4017		ISO 4032	BS 4168
BS 1769		ISO 4033
BS 3692		ANSI B18.2.2
ANSI B18.2.1

Stainless Steel Socket & Slotted Set Screws	Stainless Steel Socket & Slotted Countersunk Screws	Stainless Steel Studs	Stainless Steel Washers
DIN
913	DIN 963 / 7991	DIN 938 / 939 / 2510	DIN 125/ 9021
914	BS 4168	BS 4439	BS 4320
915	BS 1981	BS 2693	BS 3410
916	BS 483
551	BS 2470
553			Stainless Steel Spring Washers
438			DIN 127
BS 4168			BS 4464
			BS 1802

ISO Standard for Stainless Steel Bolt

Product Type	Metric Specification			Scope
Product Type	DIN standard	ISO standard	ASME /ANSI	Scope
HCS	931	4014	B18.2.3.1M	Partially Threaded
	933	4017		Fully Threaded
	960	8765		Partially Threaded (Fine)
	961	8676		Partially Threaded (Fine)
Nuts	934	4032	B18.2.4.1M (style 1)	Classes 6, 8, & 10
SHCS	912	4762	B18.3.1
BHSHCS	N/A	7380	B18.3.4M
FHSCS	N/A	7991	B18.3.5

British Standards (BS) for Stainless Steel Bolts and Nuts

BS 1083 - Alloy steel High Tensile Fasteners.
BS 3132 & BS 4395 - High Tensile friction Grip Bolts, Nuts and Washers.

Stainless Steel Bolt Nut Chemical Composition

As per DIN 267 Part 11

Bolts Grade	AISI	Stainless Steel Bolts & Nuts Chemical Composition (% maxima unless stated)
Bolts Grade	AISI	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
A1	SS 202	0.12	1.0	6.5	0.20	0.15-0.35	16,0 - 19,0	0.7	5,0 - 10,0	1.75-2.25
A2	SS 304	0.08	1.0	2.0	0.05	0.03	15,0 - 20,0	0.0	8,0 - 19,0	4.0
A3	SS 321	0.08	1.0	2.0	0.05	0.03	17,0 - 19,0	0.0	9,0 - 12,0	1.0
A4	SS 316	0.08	1.0	2.0	0.05	0.03	16,0 - 18,5	2,0 - 3,0	10,0 - 15,0	4.0
C1	SS 410	0.09-0.15	1.0	1.0	0.05	0.03	11,5 - 14,0	-	1	-
C3	SS 431	0.17-0.25	1.0	1.0	0.04	0.03	16,0 - 18,0	-	1,5 - 2,5	-
C4	SS 416	0.08-0.15	1.0	1.5	0.06	0.15-0.35	12,0 - 14,0	0.6	1	-
F1	SS 430	0.12	1.0	1.0	0.04	0.03	15,0 - 18,0	0.0	1	-

SS Bolts, Studs and Screws Mechanical Properties

Stainless Steel Bolts Grade	Class	Tensile Stress Rm MPa (N/mm2) minimum	Yield Strength Rp 0.2 Mpa (N/mm2) minimum	AL Minimum Elongation	Diameter
A2/ A4 Stainless Steel Bolts	70	700	450	0.4d	=<M20
A2/ A4 Stainless Steel Bolts	80	800	600	0.3d	=<M20

Stainless Steel Bolts Equivalent Grade

British (BS)	French	German (EN)	Italian	Japanese (SUS)	Swedish	USA (SS)
304S21	Z12CN17.08	1.4310	X12CrNi 17 07	SUS301	14 23 31	301
304S31				SUS302	14 23 32	302
304S15304S16	Z8CN18.09	1.4301	X5CrNi 18 10	SUS301	14 23 33	304
304S11	Z2CN18.10	1.4306	X2CrNi 18 11	SUS304L	14 23 52	304L
305S19	Z8CN18.12		X8CrNi 18 12	SUS305		305
309S24	Z15CN24.13		X16CrNi 23 14	SUS309		309
310S24	Z12CN25.20	1.4845	Z22CrNi 25 20	SUS310S	14 23 61	310
315S16					14 23 40
316S31316S33	Z6CND17.11	1.44011.4436	X8CrNiMo 17 13	SUS316	14 23 4314 23 47	316
316S11316S13	Z2CND17.12	1.44041.4435	X2CrNiMo 17 12	SUS316L	14 23 5314 23 48	316L
317S12	Z2CND19.15	1.4435	X2CrNiMo 18 16	SUS317L	14 23 67	317L
317S16		1.4436		SUS317	14 23 66	317
320S31320S33	Z8CND17.12	1.45711.4573			14 23 50
321S31	Z6CNT18.12	1.4541	X6CrNiTi 18 11	SUS321	14 23 37	321
347S31	Z6CNNb18.11	1.4558	X6CrNiNb 18 11X8CrNiNb 18 11	SUS347	14 23 38	347
403S17	Z6C13	1.4000	X6Cr13	SUS403	14 23 01	403
405S17	Z6CA13	1.4002	Z6CrA1 13	SUS405		405
409S19		1.4512				409
430S17	Z8C17	1.4016	X8Cr 17	SUS430	14 23 20	430
434S17	Z8CD17.01	1.4113	X8CrMo 17	SUS434	14 23 25	434
410S21	Z12C13	1.40061.4024	X12Cr 13	SUS410	13 23 02	410
410S45	Z30C13		X30Cr 13	SUS420JS	14 23 04	420

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