Free Welding Calculators & Reference
Welding Calculators & Reference
Free welding calculators and reference tools for AWS D1.1:2025 and A2.4. पूर्वतापन, ऊष्मा इनपुट, fillet आकार, कार्बन समतुल्य — plus symbol charts, compliance guides, and Q&A for fabricators and inspectors.
Calculators
°F
Preheat Calculator
D1.1:2025 तालिका 5.11 lookup. Select steel, process, and मोटाई — get न्यूनतम preheat and अंतरपास तापमान.
kJ
Heat Input Calculator
Calculate heat input in kJ/in and kJ/mm from वोल्टेज, एम्परेज, and वेल्डिंग गति.
△
Fillet वेल्ड Size
D1.1 Table 7.7 minimum फ़िलेट वेल्ड आकार lookup by material thickness.
lb
Deposition Rate
Calculate वेल्ड धातु जमाव दर in lbs/hr and kg/hr from wire feed speed and इलेक्ट्रोड diameter.
CE
Carbon Equivalent
Calculate CE(IIW) and Pcm from steel chemistry to assess वेल्डनीयता and कठोरणीयता.
D1.1 Reference
WS
WPS Guide
What goes into a WPS under D1.1. Prequalified vs qualified, Table 5.5 essential variables, format आवश्यकताएँ.
WP
How to Fill Out a WPS Form
Field-by-field walkthrough of the D1.1 Annex J form. Table 5.5 variables, tolerances, common mistakes.
PW
Prequalified WPS
Clause 5 requirements for prequalification: approved processes, Table 5.6 steels, Figure 5.1 joints.
PQ
PQR — Procedure Qualification
When a PQR is required under D1.1. Table 6.6 essential variables and the prequalified exception.
D1
AWS D1.1:2025 Overview
What D1.1 covers, 11-खंड overview, prequalified vs qualified WPS paths.
CJ
CJP Weld Guide
Complete joint penetration welds: prequalified joints per Figure 5.1, backing requirements, CJP vs PJP.
MT
Mill Test Report (MTR)
How to read an MTR for D1.1 compliance: ASTM spec to Table 5.6 group to preheat lookup.
T°
Interpass Temperature
D1.1 minimum equals preheat, अधिकतम when CVN or material requirements apply.
HT
Post-Weld Heat Treatment
D1.1 Section 7.8 PWHT requirements: when it applies, तापमान ranges, and hold times.
80
Welding Standards Hub
All 80 welding codes covered by Flux: D1.x, ASME IX, API 1104, CSA W59, EN 1011-2, AS/NZS 1554.
Inspection
CW
Certified Welding Inspector
AWS B5.1 CWI requirements: education, experience, exam format, and renewal.
VT
Visual Weld Inspection
D1.1 Clause 8 VT स्वीकृति criteria, निरीक्षण sequence, and reject/accept decisions.
8.1
Weld Defects
Table 8.1 असंतति categories, the VT/RT/UT inspection sequence, and when मरम्मत is required.
ND
NDE Requirements
When RT, UT, MT, and PT are required under D1.1 Clause 8. Tables 8.1-8.3 decision गाइड.
UT
Ultrasonic Testing
D1.1 UT acceptance criteria, Class A through D indications, and scanning requirements.
UC
Weld Undercut
Table 8.1 अंडरकट सीमाएँ for static and cyclic connections with कारण and repair guidance.
PP
Weld Porosity
Table 8.1 सरंध्रता acceptance criteria — when porosity passes and when it fails दृश्य निरीक्षण.
Symbol Reference
◻
Weld Symbol Chart
Complete AWS A2.4 reference — every weld type, symbol anatomy, arrow side/other side, finishing codes.
◻
Fillet Weld Symbol
Leg size, throat, equal and unequal legs, intermittent fillet welds.
↓
Printable PDF Chart
Print-optimized वेल्ड प्रतीक reference sheet. All प्रकार, anatomy, finishing codes on one page.
G
What Does G Mean?
Grinding and finishing symbols per AWS A2.4 — G, M, C, H, P, R, U designators समझाया.
Preheat & Temperature
T°
Maximum Interpass Temperature
D1.1 has no general max. Only A514, HPS70W, HPS100W have 400–450°F limits.
❄
Cold Weather Welding
Below 32°F: preheat to 70°F. Below 0°F: welding prohibited. Wind shelter 5 mph.
5.11
Table 3.2/5.11 Explained
Table 3.2 is now Table 5.11. Seven preheat categories A through G by process and hydrogen level.
A+B
Dissimilar Metal Welding WPS
Use the highest preheat of either steel (§5.7.2). भराव धातु options and WPS writing guide.
Q&A
?
Q&A Hub
D1.1:2025 वेल्डिंग प्रश्न with specific table and clause citations.
A36
A36 Preheat Temperature
Table 5.11 preheat requirements for A36 steel by process श्रेणी and thickness.
70
E7018 vs E6013
Electrode तुलना from a D1.1 compliance perspective — preheat, storage, qualification.
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Minimum फ़िलेट वेल्ड Size
Table 7.7 explained — which thickness governs and how electrode choice changes the answer.
CE
Carbon Equivalent Explained
D1.1 Annex B CE(IIW) formula with (Mn+Si)/6, Pcm, and what your परिणाम means for preheat.