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60" (1524mm) x 1" (25.4mm) SMS 2- STEP SAWH SPIRAL PIPE MILL, NEW 2009
GENERAL SPIRAL MILL SPECIFICATIONS:
MANUFACTURER - PWS (SMS)
YEAR - 2009
TYPE - 2-STEP SUBMERGED-ARC WELDED HELICAL (SAWH)
PIPE DIAMETER - 24" - 60" (610-1524MM)
STRIP WIDTH - 39" - 72" (1000-1850MM)
WALL THICKNESS RANGE - " - 1" (6-25MM)
MAX COIL WEIGHT - 45 TON
PIPE LENGTH - UP TO 80'
MAX GAUGE - API X-80
YIELD STRENGTH - 560 N/mm2
PIPE LENGTH - 383" - 958" (9750-24400MM)
PIPE WEIGHT - 2072 LBS (940KG/M) MAX
COIL OUTSIDE DIAMETER - 28" - 30" (720-780MM)
FORMING ANGLE - 45 - 80 DEGREES
STRIP FEED SPEED - 0.5 - 10 M/MIN
TACK WELDING SPEED - 2.0 - 10M/MIN
ANNNUAL TONNAGE CAPACITY - 250,000
TOTAL SQUARE FOOTAGE - 230,000
STATUS - INSTALLED IN PLANT
GENERAL SPIRAL MILL COMPONENT DESCRIPTIONS:
COIL PREP STATION:
V-TYPE COIL STAND
OPENING DEVICE
COIL PREP STAND WITH PLASMA TORCH
SPIRAL MILL ENTRY:
ENTRY TRAVERSING COIL CAR
COIL BOX UNCOILER STAND
EDGE SENSORS
TWO-ROLL AUXILIARY DRIVE UNIT W/ STRIP CENTERING CONTROL
(2) 48 Kw DRIVE MOTORS
14" (380MM) DIAMETER ROLLS
SEVEN ROLL FLATTENER
13" (340MM) DIAMETER ROLLS
HYDRAULIC STRIP CENTERING DEVICE
TWO-PART STRIP CLAMPING DEVICE
ONE MOVEABLE SECTION & ONE STATIONARY SECTION
SHEAR-END WELD WELDING, CROSS CUTTING & CROSS MILLING STATION
W/ SCRAP CARRIAGE TABLE
ULTRASONIC SKLEP TESTING:
SEVEN HEAD SKELP UT TESTING W/ AUDIBLE, VISUAL AND SPRAY MARKING ALERTS
STRIP MILLING SECTION:
THREE HYDRAULICALLY CONTROLLLED HORIZONTAL STRIP GUIDE UNITS
THREE STRIP EDGE MILL ASSEMBLIES - TWO MILLING HEADS PER ASSEMBLY
EACH ASSEMBLY DRIVEN SEPARATELY BY 110 kW DC MOTOR
2-ROLL MAIN DRIVE PINCH ROLL STAND
21" DIAMETER (540MM) DRIVEN SEPARATELY BY 152 kW MOTORS
SPIRAL PIPE FORMING SECTION:
STRIP EDGE PREBENDING UNIT
TWO - THREE ROLL PRE-BEND ASSEMBLIES
SPIRAL FORMING ASSEMBLY
THREE FORMING ROLL BANKS & OUTSIDE CAGE DEVICE
MAG WELDING HEAD
FORMING RATE 40' PER MINUTE
CONTINUOUS WELD SEAM & TACK WELDING
PIPE CUTOFF STATION:
TRAVEL ROTARY PLASMA CUTOFF STATION
W/ PIPE CLAMPING DEVICE
POST SPIRAL PIPE FORMING STATIONS:
PIPE IDENTIFICATION STENCILING
TRAVELING ROTATING WIRE BRUSH CLEANING STATION W/ VACCUUM UNIT
FRONT & END TAB PREP & WELDING STATION
FOUR FINAL SUBMERGED-ARC WELDING STATIONS
CONSISTING OF:
THREE INTERNAL WIRE ID WELDING TORCHES
TWO EXTERNAL WIRE OD WELDING TORCHES
COMPUTERIZED ALIGNMENT TRACKING ID/OD WELD SEAM
REAL-TIME ELECTRONIC TRACKING OF WELD PARAMETERS
PRECISE CONVEYANE OF THE PIPE UNDER THE WELDING HEADS
TEST RING REMOVAL/CUTTING FOR OFFLINE INSPECTION
TAB PLATE REMOVAL
HYDROSTATIC TESTING UNIT
5000 PSI MAX
80' MAX LENGTH
AUTOMATED ULTRASONIC SHEAR WAVE & HEAT AFFECTED ZONE INSPECTION
LASER TRACKING OF THE WELD SEAM, PHASE ARRAY ULTRASONIC TESTING, PIPE
CONVEYORS AND POSITIONING
AUTOMATED AUDIBLE, VISUAL AND SPRAY MARKING ALERTS
DYAMIC AND STATIC CALIBRATION PROCESSES ARE UTILIZED
X-RAY DIGITAL RADIOGRAPHY PIPE END INSPECTION
TOP & END PIPE BEVELING
30-35 DEGREE ANGLE & ROOT FACE OF 1/16" +/- 1/32"
VISUAL INSPECTION & PIPE END INSPECTION
FINISH MEASSURING
FINISH PIPE TALLY & STENCILING
PLANT WIDE PIPE CONVEYING SYSTEM - BUILT TO MOVE PIPES BETWEEN ALL THE
STATIONS OF THE PROCESS, INCLUDING:
ASSOCIATED WELDERS, CONVEYORS, COIL/SPIRAL PIPE STANDS, POWERED URETHANE
TURNING ROLLS, HYDRAULIC UNITS, EJECTORS, POWERED & NON POWERED CONVEYORS
ASSOCIATED CONTROLS, SOFTWARE, HMI, OPERATORS STANDS, ELECTRICS TO RUN THE
EQUIPMENT
ALL SPECIFICATIONS ARE FOR REFERENCE ONLY AND MUST BE VERIFED BY PURCHASER.
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