External Scarfing Blade

External burr scarfing blade is a very critical post-treatment tool on the metal pipe production line. Its core function is to remove harmful burrs and ensure product safety.

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Product Description

When the pipe is subject to high-frequency welding or cutting, a hard and sharp bulge will be left on the external surface of the pipe, which is called "external burr". If not removed in time, a series of problems can arise:

● Influence on subsequent processing: during drawing, bending or further forming, the burr will become the stress concentration point and cause the pipe to crack.

● Dangerous to operation safety: sharp burrs are easy to scratch the operator's hands.

● Destruction of product appearance: the existence of burrs makes the pipe surface uneven, affecting the painting and aesthetics.

● Disturbance to precision assembly: when used as a structural member, the burr will hinder the precision fit of the pipe, pipe joint and flange.

External scarfing knife---SOUB22-R
	Dimension (mm)
Type	Pipe dia.	L	S	Фd
SOUB22T5-R35	Ф42-65	22	5.95	6.5
SOUB22T5-R40	Ф48-75	22	5.95	6.5
SOUB22T5-R45	Ф60-85	22	5.95	6.5
SOUB22T5-R50	Ф76-95	22	5.95	6.5
SOUB22T5-R60	Ф89-114	22	5.95	6.5
SOUB22T5-R75	Ф108-140	22	5.95	6.5
SOUB22T5-R85	Ф127-159	22	5.95	6.5
SOUB22T5-R100	Ф140-190	22	5.95	6.5
SOUB22T5-R125	Ф159-219	22	5.95	6.5
SOUB22T5-R00	Universal	22	5.95	6.5

External scarfing knife---SOUB25-R
	Dimension (mm)
Type	Pipe dia.	L	S	Фd
SOUB2506-R35	Ф42-65	25.4	6.35	6.5
SOUB2506-R40	Ф48-75	25.4	6.35	6.5
SOUB2506-R45	Ф60-85	25.4	6.35	6.5
SOUB2506-R50	Ф76-95	25.4	6.35	6.5
SOUB2506-R60	Ф89-115	25.4	6.35	6.5
SOUB2506-R70	Ф108-133	25.4	6.35	6.5
SOUB2506-R80	Ф114-150	25.4	6.35	6.5
SOUB2506-R90	Ф127-170	25.4	6.35	6.5
SOUB2506-R100	Ф133-189	25.4	6.35	6.5
SOUB2506-R125	Ф140-219	25.4	6.35	6.5
SOUB2506-R150	Ф165-273	25.4	6.35	6.5
SOUB2506-R00	Universal	25.4	6.35	6.5

External scarfing knife---S-SNG15S7-R
	Dimension (mm)
Type	Pipe dia.	L	S	Фd
S-SNG15S7-R10	Ф8-15	15.8	7.94	5.16
S-SNG15S7-R15	Ф15-25	15.8	7.94	5.16
S-SNG15S7-R20	Ф25-35	15.8	7.94	5.16
S-SNG15S7-R25	Ф30-42	15.8	7.94	5.16
S-SNG15S7-R30	Ф35-52	15.8	7.94	5.16
S-SNG15S7-R35	Ф40-63	15.8	7.94	5.16
S-SNG15S7-R40	Ф48-70	15.8	7.94	5.16
S-SNG15S7-R50	Ф60-89	15.8	7.94	5.16
S-SNG15S7-R60	Ф76-108	15.8	7.94	5.16
S-SNG15S7-R70	Ф76-114	15.8	7.94	5.16
S-SNG15S7-R80	Ф89-140	15.8	7.94	5.16
S-SNG15S7-R100	Ф133-168	15.8	7.94	5.16

External scarfing knife---S-SNG15S8-R
	Dimension (mm)
Type	Pipe dia.	L	S	Фd
S-SNG15S8-7R	Ф8-12	15.87	8.15	5.16
S-SNG15S8-9R	Ф12-16	15.87	8.15	5.16
S-SNG15S8-11R	Ф14-20	15.87	8.15	5.16
S-SNG15S8-13R	Ф15-22	15.87	8.15	5.16
S-SNG15S8-15R	Ф20-26	15.87	8.15	5.16
S-SNG15S8-18R	Ф25-32	15.87	8.15	5.16
S-SNG15S8-20R	Ф28-36	15.87	8.15	5.16
S-SNG15S8-22R	Ф33-40	15.87	8.15	5.16
S-SNG15S8-25R	Ф38-45	15.87	8.15	5.16
S-SNG15S8-27R	Ф40-50	15.87	8.15	5.16
S-SNG15S8-30R	Ф50-55	15.87	8.15	5.16
S-SNG15S8-35R	Ф55-65	15.87	8.15	5.16
S-SNG15S8-40R	Ф65-75	15.87	8.15	5.16
S-SNG15S8-45R	Ф75-85	15.87	8.15	5.16
S-SNG15S8-50R	Ф85-95	15.87	8.15	5.16
S-SNG15S8-55R	Ф95-105	15.87	8.15	5.16
S-SNG15S8-60R	Ф105-115	15.87	8.15	5.16
S-SNG15S8-70R	Ф114-135	15.87	8.15	5.16
S-SNG15S8-80R	Ф127-155	15.87	8.15	5.16
S-SNG15S8-90R	Ф150-170	15.87	8.15	5.16
S-SNG15S8-100R	Ф170-190	15.87	8.15	5.16
S-SNG15S8-00R	Universal	15.87	8.15	5.16

External scarfing knife---S-SNG19S8-R
	Dimension (mm)
Type	Pipe dia.	L	S	Фd
S-SNG19S8-10R	Ф12-18	19.05	8.15	7.94
S-SNG19S8-13R	Ф15-23	19.05	8.15	7.94
S-SNG19S8-15R	Ф18-26	19.05	8.15	7.94
S-SNG19S8-18R	Ф25-32	19.05	8.15	7.94
S-SNG19S8-20R	Ф28-37	19.05	8.15	7.94
S-SNG19S8-25R	Ф35-47	19.05	8.15	7.94
S-SNG19S8-30R	Ф45-57	19.05	8.15	7.94
S-SNG19S8-35R	Ф55-67	19.05	8.15	7.94
S-SNG19S8-40R	Ф55-77	19.05	8.15	7.94
S-SNG19S8-45R	Ф65-87	19.05	8.15	7.94
S-SNG19S8-50R	Ф75-97	19.05	8.15	7.94
S-SNG19S8-60R	Ф85-115	19.05	8.15	7.94
S-SNG19S8-70R	Ф95-135	19.05	8.15	7.94
S-SNG19S8-80R	Ф105-155	19.05	8.15	7.94
S-SNG19S8-90R	Ф115-170	19.05	8.15	7.94
S-SNG19S8-100R	Ф125-190	19.05	8.15	7.94
S-SNG19S8-110R	Ф135-200	19.05	8.15	7.94
S-SNG19S8-120R	Ф145-219	19.05	8.15	7.94
S-SNG19S8-00R	Universal	19.05	8.15	7.94

External scarfing knife---S-SNG22S9-R
	Dimension (mm)
Type	Pipe dia.	L	S	Фd
S-SNG22S9-20R	Ф25-36	22.22	9.5	7.94
S-SNG22S9-25R	Ф35-46	22.22	9.5	7.94
S-SNG22S9-30R	Ф45-56	22.22	9.5	7.94
S-SNG22S9-35R	Ф55-66	22.22	9.5	7.94
S-SNG22S9-40R	Ф65-75	22.22	9.5	7.94
S-SNG22S9-45R	Ф75-85	22.22	9.5	7.94
S-SNG22S9-50R	Ф85-95	22.22	9.5	7.94
S-SNG22S9-55R	Ф95-105	22.22	9.5	7.94
S-SNG22S9-60R	Ф100-115	22.22	9.5	7.94
S-SNG22S9-65R	Ф110-125	22.22	9.5	7.94
S-SNG22S9-70R	Ф120-135	22.22	9.5	7.94
S-SNG22S9-75R	Ф130-145	22.22	9.5	7.94
S-SNG22S9-80R	Ф135-155	22.22	9.5	7.94
S-SNG22S9-85R	Ф140-165	22.22	9.5	7.94
S-SNG22S9-90R	Ф145-170	22.22	9.5	7.94
S-SNG22S9-95R	Ф150-180	22.22	9.5	7.94
S-SNG22S9-100R	Ф155-190	22.22	9.5	7.94
S-SNG22S9-110R	Ф160-200	22.22	9.5	7.94
S-SNG22S9-125R	Ф165-219	22.22	9.5	7.94
S-SNG22S9-150R	Ф180-275	22.22	9.5	7.94
S-SNG22S9-160R	Ф190-300	22.22	9.5	7.94
S-SNG19S9-00R	Universal	22.22	9.5	7.94

External scarfing knife---S-SNG25S12-R
	Dimension (mm)
Type	Pipe dia.	L	S	Фd
S-SNG25S12-30R	Ф22-25	25.4	12.7	9.2
S-SNG25S12-35R	Ф35-65	25.4	12.7	9.2
S-SNG25S12-40R	Ф45-75	25.4	12.7	9.2
S-SNG25S12-45R	Ф50-85	25.4	12.7	9.2
S-SNG25S12-50R	Ф55-95	25.4	12.7	9.2
S-SNG25S12-55R	Ф65-105	25.4	12.7	9.2
S-SNG25S12-60R	Ф70-115	25.4	12.7	9.2
S-SNG25S12-65R	Ф75-125	25.4	12.7	9.2
S-SNG25S12-70R	Ф80-135	25.4	12.7	9.2
S-SNG25S12-80R	Ф85-150	25.4	12.7	9.2
S-SNG25S12-90R	Ф90-170	25.4	12.7	9.2
S-SNG25S12-100R	Ф100-190	25.4	12.7	9.2
S-SNG25S12-110R	Ф108-200	25.4	12.7	9.2
S-SNG25S12-120R	Ф114-219	25.4	12.7	9.2
S-SNG25S12-130R	Ф127-235	25.4	12.7	9.2
S-SNG25S12-140R	Ф133-255	25.4	12.7	9.2
S-SNG25S12-150R	Ф140-275	25.4	12.7	9.2
S-SNG25S12-160R	Ф165-285	25.4	12.7	9.2
S-SNG25S12-170R	Ф180-305	25.4	12.7	9.2
S-SNG25S12-180R	Ф200-325	25.4	12.7	9.2
S-SNG25S12-190R	Ф219-355	25.4	12.7	9.2
S-SNG25S12-00R	Universal	25.4	12.7	9.2

External scarfing knife---SNG452-R
	Dimension (mm)
Type	Pipe dia.	L	S	R
SNG452-10R	Ф10-15	12.7	7.94	10
SNG452-16R	Ф15-25	12.7	7.94	16
SNG452-20R	Ф25-33	12.7	7.94	20
SNG452-25R	Ф33-44	12.7	7.94	25
SNG452-30R	Ф40-53	12.7	7.94	30
SNG452-40R	Ф50-73	12.7	7.94	40
SNG452-50R	Ф73-89	12.7	7.94	50
SNG452-60R	Ф76-108	12.7	7.94	60
SNG452-70R	Ф97-127	12.7	7.94	70

External scarfing knife---SNMX25-R
	Dimension (mm)
Type	Pipe dia.	L	S	R
SNMX2507-R30	Ф37-50	25.4	7.94	30
SNMX2507-R35	Ф45-60	25.4	7.94	35
SNMX2507-R40	Ф55-69	25.4	7.94	40
SNMX2507-R45	Ф60-79	25.4	7.94	45
SNMX2507-R50	Ф65-89	25.4	7.94	50
SNMX2507-R60	Ф76-108	25.4	7.94	60
SNMX2507-R70	Ф97-127	25.4	7.94	70
SNMX2507-R80	Ф108-147	25.4	7.94	80
SNMX2507-R90	Ф114-168	25.4	7.94	90
SNMX2507-R100	Ф127-177	25.4	7.94	100
SNMX2507-R125	Ф159-197	25.4	7.94	125
SNMX2509-R150	Ф165-219	25.4	7.94	150
SNMX2509-R175	Ф177-255	25.4	7.94	175
SNMX2509-R200	Ф197-273	25.4	7.94	200
SNMX2509-R225	Ф200-325	25.4	7.94	225
SNMX2509-R250	Ф219-355	25.4	7.94	250
SNMX2509-R275	Ф235-426	25.4	7.94	275
SNMX2509-R300	Ф273-450	25.4	7.94	300
SNMX2509-R350	Ф440-508	25.4	7.94	350
SNMX2509-R400	Ф500-660	25.4	7.94	400
SNMX2509-R450	Ф610-711	25.4	7.94	450